Component Location

Component
Schematic
Location
Machine
Location
Component
Schematic
Location
Machine
Location
KENR5859-01 Harness And Wire Electrical Schematic Symbols
June 2011
Alarm As - Backup F-8 1 Relay As - (12-Volt / Engine Shutoff) E-6 28 Symbols
Alternator As - Charging C-7 2 Relay As - (12-Volt / Horn) D-7 29
Battery - (12-Volt, Maintenance Free) F-3 3 Relay As - (12-Volt / Main) D-6 30
Box As - Fuse D-4 4 Relay As - (12-Volt / Neutral Start) D-7 31
Control As - Governor E-3 5 Relay As - (12-Volt / Travel Alarm) E-7 32 T

Control As - Timer (Engine Shutoff) E-6 6 Resistor As B-5 33 Pressure Temperature Level Flow Circuit Breaker
Control Gp - Handle (LH) F-5 7 Sender - Water Temperature C-8 34 Symbol Symbol Symbol Symbol Symbol
Control Gp - Handle (LH) A-6 8 Sender As - Fuel Level E-1 35
Control Gp - Handle (RH) A-6 9 Socket - Outside B-8 36 Symbols and Definitions
Control Gp - Handle (RH) A-6 10 Solenoid Gp -Shutdown E-8 37
Fuse (30 Ampere) F-2 11 Switch As - Limit (Hydraulic Lockout) F-5 38
Fuse: A component in an electrical circuit that will open the circuit if too much current flows
through it.
Fuse (50 Ampere) E-1 12 Switch As - Pressure (Engine Oil) D-8 39
36 Fuse (50 Ampere) E-1 13 Switch As - Pressure (Pilot Oil) D-1 40
Switch (Normally Open): A switch that will close at a specified point (temp, press, etc.). The
Glow Plugs E-8 14 Switch As - Pressure (Pilot, Travel) B-3 41 circle indicates that the component has screw terminals and a wire can be disconnected from it.
Ground - Chassis D-1 15 Switch As - Rocker (Automatic Eng Speed Control) B-6 42
Ground - Front Frame F-3 16 Switch As - Rocker (Auxiliary Hydraulic, Enable) A-7 43 Switch (Normally Closed): A switch that will open at a specified point (temp, press, etc.).
CONN 8 29 28 Ground - Platform C-4 17 Switch As - Rocker (Light) A-7 44 No circle indicates that the wire cannot be disconnected from the component.
CONN 7
30 Ground - Platform / Chassis C-3 18 Switch As - Rocker (Travel Alarm Cancel) B-7 45
4 50 Horn As - (12-Volt) D-1 19 Switch As - Rocker (Travel Speed) A-7 46 Ground (Wired): This indicates that the component is connected to a grounded wire. The
Manifold Gp - Control (Hyd Lockout, Speed Select) D-1 20 Switch As - Rotary (Engine Speed) B-6 47
grounded wire is fastened to the machine.
25
Meter Gp - Service F-3 21 Switch As - Start (Engine) B-6 48
49 Ground (Case): This indicates that the component does not have a wire connected to ground.
Monitor Gp - Operator A-6 22 Switch As - Toggle (Engine Shutdown) F-4 49
It is grounded by being fastened to the machine.
Motor As - Governor (Engine Speed) F-8 23 Timer As - Glow Plugs D-6 50
Motor As - Starting D-7 24 Valve Gp - Diverter (Swing Boom, Work Tool) C-1 51 Reed Switch: A switch whose contacts are controlled by a magnet. A magnet closes the
Relay - (12-Volt / Glow Plug) D-6 25 Valve Gp - Pilot (Auxiliary, Boom Swing) B-3 52 contacts of a normally open reed switch; it opens the contacts of a normally closed reed switch.
Relay - As - (12-Volt / Start) F-1 26 Valve Gp - Solenoid (Blade) C-2 53
Relay As - (12-Volt / Alternator) E-7 27 305D CR and 305.5D CR Sender: A component that is used with a temperature or pressure gauge. The sender
measures the temperature or pressure. Its resistance changes to give an indication to
T
the gauge of the temperature or pressure.
Mini Hydraulic Excavator Relay (Magnetic Switch): A relay is an electrical component that is activated by electricity.

Electrical System It has a coil that makes an electromagnet when current flows through it. The
electromagnet can open or close the switch part of the relay.

Solenoid: A solenoid is an electrical component that is activated by electricity. It has a

305D CR: 305.5D CR: coil that makes an electromagnet when current flows through it. The electromagnet
can open or close a valve or move a piece of metal that can do work.
Connector Location XER1-UP FLZ1-UP
Schematic Magnetic Latch Solenoid: A magnetic latch solenoid is an electrical component that is
CONN 6 Connector Number
Location activated by electricity and held latched by a permanent magnet. It has two coils (latch and unlatch)
5 CONN 1 F-8 that make electromagnet when current flows through them. It also has an internal switch that places
the latch coil circuit open at the time the coil latches.
6 21 CONN 2 F-8
CONN 3 B-7
32 Harness and Wire Symbols
31 27 CONN 4 B-7
CONN 5 B-5 Wire, Cable, or Harness Harness Identification Letter(s):
CONN 6 F-4 Assembly Identification: Includes (A, B, C, ..., AA, AB, AC, ...)
Harness Identification Letters and
CONN 7 D-4 Harness Connector Serialization Code:
Harness Connector Serialization
The "C" stands for "Connector" and the
CONN 8 D-4 Codes (see sample).
number indicates which connector in the
CONN 9 B-4 AG-C4 L-C12 harness (C1, C2, C3, ...).
L-C12
CONN 10 E-2 111-7898 3E-5179 3E-5179
CONN 11 E-2 Part Number: for Connector Plug 1
Part Number: for Connector Receptacle
CONN 12 D-2
CONN 13 D-2
2
CONN 14 F-1
Plug Receptacle
CONN 15 D-1 Pin or Socket Number
5A
CONN 16 C-1 Deutsch connector: Typical representation
1 Component
The connectors shown in this chart are for harness to harness connectors. of a Deutsch connector. The plug contains all Fuse (5 Amps) 9X-1123 Part Number
Connectors that join a harness to a component are generally located at or near
2 sockets and the receptacle contains all pins.
15 the component. See the Component Location Chart. 325-AG135 PK-14
CONN 9 CONN 5 41 35 17 18 Sure-Seal connector: Typical representation
1 Harness identification code:
of a Sure-Seal connector. The plug and receptacle This example indicates wire group 325, Wire Gauge
Volume 1 of 2: Canopy 2 contain both pins and sockets. wire 135 in harness "AG". Wire Color

52

CANOPY WIRING © 2011 Caterpillar, All Rights Reserved Printed in U.S.A.

14

KENR5859-01 VOL 1 of 2
7 10 9 8 44 46 43 45 47 42 12 CONN 13 CONN 10 CONN 11 CONN 12 23 40

(Dimensions: 39 inches x 28 inches)

24

ENGINE WIRING - LEFT SIDE

34

39
38

30 Page,
3 13 11 CONN 14 16 26 CONN 2 CONN 1 1 20 CONN 15 CONN 16 53 19

51
37

2
48 22 33 CONN 4 CONN 3

CONSOLE WIRING - LEFT HAND CONSOLE WIRING - RIGHT HAND MACHINE WIRING - LEFT SIDE MACHINE WIRING - RIGHT SIDE
ENGINE WIRING - RIGHT SIDE

Related Electrical Service Manuals

Title Form Number
Cross Reference for Electrical Connectors: REHS0970
Alternator: SENR2143
Starting Motor: REGO0843
 8 7 6 5 4 3 2 1

L23 L23
L-C2
7Y3967
616-L2 BU-16 1 RD-18 ATCH CANOPY LAMP
1980852
200-L1 BK-18 1 WH-18
321-E9 BR-16 L-C3
101-CE2 RD-0 7Y3966
200-CF1 BK-0 L8 323-E10 WH-16
101-CE1 RD-10 327-E11 PK-10
OPERATOR STATION 403-E12 GN-18 L9

L8
POS NEG 405-E13 GY-18
(7) CONTROL GP 441-E14 OR-18
HANDLE (LH) G-C4 G-C2 G-C1 A-C3 C444-E16 YL-18
E-C10 E-C4 105-A2 RD-18 2907848 3E3382 1552273 2434509 2312295 (3) BATTERY H740-E17 OR-16

PU-16
OR-16
BU-16
WH-16
YL-16

C444-E16 YL-18
323-E10 WH-16
327-E11 PK-10
403-E12 GN-18
405-E13 GY-18
441-E14 OR-18
2434505 2304011 105-A2 RD-18 H741-E18 WH-16

877-E15 YL-6
304-E7 WH-10
105-A4 RD-18 105-A2 RD-18 +B 1 180-G1 GN-18 308-G4 YL-18 1 308-A73 YL-18 12-VOLT,

109-E1 RD-6
1 200-E4 BK-18 105-A3 RD-18 105-A4 RD-18 180-A28 GN-18 105-A4 RD-18 GND 2 200-G2 BK-18 P977-G5 PK-18 2 P977-A129 PK-18 (16) GROUND M729-E19 PU-16
MAINTENANCE FREE
2 321-E9 BR-16 105-A2 RD-18 122-A11 RD-18 194-A30 GN-18 105-A1 RD-18 SOL1 3 X782-G7 WH-18 180-G1 GN-18 3 180-A28 GN-18 FRONT FRAME M731-E21 BU-16
149-A15 PU-16 1535656 M730-E20 YL-16
201-A63 BK-18 180-A28 GN-18 SOL2 4 X781-G6 GN-18 X781-G6 GN-18 4 X781-A135 GN-18
CONN 1

M729-E19
H740-E17
M731-E21
H741-E18
M730-E20
M-C1 105-A4 RD-18 150-A16 RD-10 308-A73 YL-18 200-A54 BK-18 RETURN 5 201-G3 BK-18 200-G2 BK-18 5 200-A53 BK-18 200-E4 BK-18 200-E5 BK-18 (26) RELAY AS
F 200-M1 BK-18
2434505
1
149-A15
180-A24
PU-16
GN-16
180-A24
180-A28
GN-16
GN-18
331-A90
403-A91
OR-18
GN-18
200-A53
201-A63
BK-18
BK-18
L4
6 X782-G7
201-G3
WH-18
BK-18
6
7
X782-A136
201-A63
WH-18
BK-18 200-E6 BK-18
306-E8
200-E6
GN-18
BK-18
3
1
12-VOLT (START)
2666935
F
8
321-M2 BR-16 2 180-A28
194-A31
GN-18
GN-18 194-A30 GN-18
194-A31 GN-18
H740-A116
H741-A117
OR-18
WH-18
308-A73
403-A91
YL-18
GN-18 CONN 6 304-E7 WH-10
877-E15 YL-6
125-E2
304-E7
RD-12
WH-10
4
2
(1) ALARM AS 307-A70 OR-18 H742-A118 PU-18 P977-A129 PK-18 G-C3 109-E1 RD-6
L6 194-A32 GN-18 E-C12
BACKUP 320-A76 RD-18 M729-A122 PU-18 X781-A135 GN-18 2304011 101-CE1 RD-10 E-C13 E-C11
200-A55 BK-16 2679973
1612539 439-A95 YL-18 M730-A123 YL-18 X782-A136 WH-18 1 308-G4 YL-18 1851290 RE01 7Y3952
817-A108 WH-18 200-A57 BK-16 M731-A124 BU-18 2 P977-G5 PK-18 30A 1 125-E2 RD-12 A-C20 E-C9
H742-A118 PU-18 201-A63 BK-18 N933-A127 PU-18 (38) SWITCH AS 2 150-E3 RD-12 7Y3967 7Y3966
306-A69 GN-18 130-A14 GN-16 (21) METER GP
M741-A125 GY-18 P969-A128 BR-18 LIMIT (HYDRAULIC LOCKOUT) (11) FUSE 306-A69 GN-18 1 306-E8 GN-18
307-A70 OR-18 194-A30 GN-18 SERVICE
N933-A127 PU-18 P977-A129 PK-18 2677058 A-C32 (30 AMPERE)
P969-A128 BR-18 308-A73 YL-18
308-A74 YL-18
P997-A134 OR-18
200-A52
331-A90
BK-16
OR-18 1532602
2859075
8T9636 CONN 14
P997-A134 OR-18 X781-A135 GN-18 H740-A116 OR-18 L4 105-A4 RD-18 1 + - 1
320-A76 RD-18 X782-A136 WH-18
(23) MOTOR AS H741-A117 WH-18 SIG A-C33
308-A71 YL-18 321-A77 BR-18 L3 (49) SWITCH AS
GOVERNOR (ENGINE SPEED) K-C1 E-C5 H742-A118 PU-18 1532602
322-A78 GY-18

1
2434509 2312295 308-A73 YL-18 200-A51 BK-18 TOGGLE (ENGINE SHUTDOWN)
3028529 323-A82 WH-18 M729-A122 PU-18
1 308-A72 YL-18 200-A52 BK-16 M730-A123 YL-18 4D1836
H740-K1 OR-16 H740-E17 OR-16 327-A87 PK-10
308-A74 YL-18 200-A54 BK-18

A-C31
1532602
POT VCC 1 M729-K3 PU-16 H741-K2 WH-16 2 H741-E18 WH-16 331-A88 OR-18 M731-A124 BU-18 3
2 M730-K4 YL-16 3 122-A11 RD-18 200-A53 BK-18 N933-A127 PU-18
POT OUT M729-K3 PU-16 M729-E19 PU-16 331-A90 OR-18 2
3 4 122-A12 RD-18 130-A14 GN-16 P969-A128 BR-18 105-A2 RD-18
POT GND M731-K5 BU-16 M730-K4 YL-16 M730-E20 YL-16 403-A91 GN-18
4 5 150-A16 RD-10 105-A1 RD-18 P997-A134 OR-18 1
M731-K5 BU-16 M731-E21 BU-16 439-A95 YL-18
+M 5 H740-K1 OR-16 6 194-A32 GN-18
200-A55 BK-16 817-A108 WH-18 105-A1 RD-18
-M 6 H741-K2 WH-16 7 877-A111 YL-10
8 200-A57 BK-16 200-A50 BK-18
K-C2 201-A63 BK-18 H740-A116 OR-18 200-A55 BK-16 403-A91 GN-18
2305010 H741-A117 WH-18
CONN 2 306-A69
321-A77
GN-18
BR-18 H742-A118 PU-18 200-A57 BK-16
200-A54 BK-18

322-A78 GY-18 M729-A122 PU-18 122-A11 RD-18

323-A82 WH-18 M730-A123 YL-18 149-A15 PU-16 A-C6
327-A87 PK-10 M731-A124 BU-18 150-A16 RD-10 2312295
M741-A125 GY-18 130-A14 GN-16 1 GRN +B
N933-A127 PU-18 L1 CA-C1
331-A89 OR-18 150-A17 RD-10 331-A90 OR-18 2 YL P SW.B
331-A88 OR-18 P969-A128 BR-18 150-A18 RD-10 200-A52 BK-16 3 BK GND 2338366
L7 P977-A130 PK-18
331-A90 OR-18 150-A19 RD-10 P997-A134 OR-18 4 RD DIAL.SW +5V 1 2
403-A91 GN-18 P977-A129 PK-18 180-A24 GN-16 H742-A118 PU-18 5 PK DIAL.SW SIG 50A
877-A111 YL-10 P997-A134 OR-18 306-A67 GN-18 P969-A128 BR-18 6 BR DIAL.SW GND (5) CONTROL
X781-A135 GN-18 L3 50A
H740-A116 OR-18 306-A69 GN-18 N933-A127 PU-18 7 BLU L/I OUT GOVERNOR 3 4
M729-A122 PU-18 X782-A136 WH-18 307-A70 OR-18 194-A30 GN-18 8 WH P SW.A 2680254
H809-A119 YL-18 (12) FUSE (50 AMPERE)
M730-A123 YL-18 308-A74 YL-18 233-0098
M731-A124 BU-18 306-A67 GN-18 320-A76 RD-18 A-C5
H741-A117 WH-18 200-A51 BK-18 A-C21 321-A77 BR-18 2434508
2305010 322-A78 GY-18 H740-A116 OR-18 1 WH M+ CC-C1
P977-A131 PK-18 122-A12 RD-18 1 B+ 323-A82 WH-18 H741-A117 WH-18 2 RD M- TERMINAL BLOCK 2338366
P977-A130 PK-18 200-A51 BK-18 2 GND 327-A87 PK-10 M729-A122 PU-18 3 PK G/A +5V 7Y5499

L1
1 2
P977-A129 PK-18 H809-A119 YL-18 3 OUT 331-A88 OR-18 M731-A124 BU-18 4 BLU G/A GND 101-CE1 RD-10 50A
X781-A135 GN-18 308-A72 YL-18 308-A72 YL-18 4 IN1 439-A95 YL-18 M730-A123 YL-18 5 YL G/A SIG 101-CA1 RD-10
ENGINE X782-A136 WH-18 122-A12 RD-18 306-A67 GN-18 5
6
IN2 817-A108
877-A111
WH-18
YL-10
6 101-CC1 RD-10
109-CC2 RD-10
3
50A
4
H809-A119 YL-18 109-E1 RD-6 (13) FUSE (50 AMPERE)
(6) CONTROL AS
M741-A125 GY-18 877-A111 YL-10 877-E15 YL-6 233-0098
TIMER (ENGINE SHUTOFF)
P977-A130 PK-18
2666936
150-A16 RD-10 150-CA2 RD-10
E (32) RELAY AS
12-VOLT
150-E3 RD-12 E

YL-18
GY-18
PK-18
200-A46 BK-18

YL-10
YL-10

817-A108 WH-18
150-A19 RD-10
150-A20 RD-10
150-A21 RD-10
200-A50 BK-18
200-A57 BK-16
306-A67 GN-18
306-A69 GN-18
307-A70 OR-18
308-A74 YL-18
320-A76 RD-18
321-A77 BR-18
322-A78 GY-18
327-A87 PK-10
331-A88 OR-18

323-A81 WH-18

323-A81 WH-18

122-A11 RD-18
130-A14 GN-16
149-A15 PU-16
180-A24 GN-16
323-A82 WH-18
439-A95 YL-18
YL-10

114-A9 RD-18

114-A9 RD-18

105-A1 RD-18
TRAVEL ALARM 321-A77 BR-18

150-A18 RD-10
150-A17 RD-10
107-A5 RD-10

107-A5 RD-10
2391183 323-A79 WH-18
A-C43 323-A81 WH-18 306-A69 GN-18 C-C2
7Y3958 331-A88 OR-18 A-C27 E-C1 2304011

H809-A119
M741-A125
P977-A130
877-A109
877-A110
877-A111
2434510 2304009 (35) SENDER AS
1 M741-A125 GY-18 817-A108 WH-18 447-C10 PK-18 1 FUEL LEVEL
5 M741-A125 GY-18 200-A60 BK-18 1 200-E5 BK-18 200-C2 BK-18 2
3 M741-A126 GY-18 200-A47 BK-18 2 2666934
6 321-A77 BR-18 321-A77 BR-18 3 321-E9 BR-16
C444-E16 YL-18
PK-10
GY-18

323-E10 WH-16

403-E12 GN-18
441-E14 OR-18

323-A83 WH-18 4 323-E10 WH-16

YL-6

304-E7 WH-10

2 817-A108 WH-18
109-E1 RD-6

E-C8 4 817-A107 WH-18 403-A91 GN-18 5 403-E12 GN-18 323-C22 WH-18

2057460 200-A46 BK-18 405-A93 GY-18 6 405-E13 GY-18 194-C1 GN-18
(37) SOLENOID GP 1 327-E11 PK-10 200-A47 BK-18 107-A5 RD-10 441-A96 OR-18 7 441-E14 OR-18 322-C9 GY-18
877-E15
327-E11
405-E13

SHUTDOWN 114-A9 RD-18 C444-A112 YL-18 8 C444-E16 YL-18 616-C11 BU-16

2828594 150-A21 RD-10 9 E953-C12 GY-18
(27) RELAY AS 10
A-C9 200-A50 BK-18 M729-A122 PU-18 M729-E19 PU-16 L998-C13 OR-18
12-VOLT (28) RELAY AS M730-A123 YL-18 11 M730-E20 YL-16
7Y3957 306-A67 GN-18 P977-C14 PK-18
ALTERNATOR 12-VOLT M731-A124 BU-18 12 M731-E21 BU-16
323-A79 WH-18 307-A70 OR-18
2391182 1
3
323-A80
331-A88
WH-18
OR-18
ENGINE SHUTOFF
2666935 A-C45
308-A74
320-A76
YL-18
RD-18
CONN 10 L9
4 817-A107 WH-18 2679973 321-A77 BR-18 A-C12 E-C3 323-C22 WH-18
2 H809-A119 YL-18 322-A78 GY-18 2681008 2676253 194-C1 GN-18
323-A81 WH-18 1 200-A48 BK-18 323-A81 WH-18 327-A87 PK-10 1 327-E11 PK-10 322-C9 GY-18
3
4
200-A49
107-A5
BK-18
RD-10
327-A87
331-A88
PK-10
OR-18 CONN 11 616-C11 BU-16
E953-C12 GY-18
877-E15 YL-6 (29) RELAY AS 2 327-A87 PK-10 817-A108 WH-18 A-C4 E-C2 L998-C13 OR-18
12-VOLT HORN H809-A119 YL-18 FUSE(5A) 141-2759 2434506 2304013 P977-C14 PK-18
L23

2391182 A-C47 M741-A125 GY-18 FUSE(10A) 113-8490 H740-A116 OR-18 1 H740-E17 OR-16 200-C3 BK-18
7Y3957 P977-A130 PK-18 FUSE(15A) 113-8491 L16 H741-A117 WH-18 2 H741-E18 WH-16 200-C4 BK-16 200-C2 BK-18
114-A9 RD-18 150-A20 RD-10 FUSE(20A) 113-8492 3
1 114-A10 RD-18 306-A69 GN-18 FUSE(30A) 124-3548
(14) GLOW PLUGS
3 320-A76 RD-18 877-A109 YL-10 1 30A 1 107-A5 RD-10 CONN 12
4 322-A78 GY-18 (30) RELAY AS 877-A110 YL-10 2 5A 1 122-A11 RD-18
1992356
2 12-VOLT MAIN 200-A57 BK-16 3 5A 1 114-A9 RD-18 A-C26 C-C1 (15) GROUND CHASSIS
(39) SWITCH AS 2666935 A-C44 1 10A 1 105-A1 RD-18 2304009 2434510
2679973 2 194-A32 GN-18 1 194-C1 GN-18
PRESSURE
308-A75 YL-18 112-A6 PU-10 3 322-A78 GY-18 2 322-C9 GY-18
(ENGINE OIL) 3 H-C1
L7

A-C46 1 308-A74 YL-18 112-A7 PU-10 1 10A 1 323-A84 WH-18 323-C22 WH-18 C-C3
YL-18

1958453
WH-16
GN-18

2434505
RD-0
WH-10

7Y3957 3 200-A49 BK-18 112-A8 PU-10 2 30A 1 447-A97 PK-18 4 447-C10 PK-18 2304011
RD-6

L6
OR-18

405-E13 GY-18 P977-A130 PK-18 4 200-A50 BK-18 5 616-C11 BU-16 1 616-H1 BU-16 BOOM LAMP
1 200-A47 BK-18 2 150-A21 RD-10 6 200-C3 BK-18 2 200-H2 BK-18 2330099
3 200-A48 BK-18 112-A6 PU-10 616-A99 BU-16 7 616-C11 BU-16
CONN 15
101-CE2
C444-E16
109-E1
323-E10
403-E12

304-E7

4 306-A68 GN-18 877-A109 YL-10 8

441-E14

L16
2 306-A67 GN-18 306-A69 GN-18 E953-A115 GY-18 9 E953-C12 GY-18
307-A70 OR-18 150-A20 RD-10 323-A82 WH-18 L998-A121 OR-18 10 L998-C13 OR-18
(31) RELAY AS 200-A46 BK-18 1 10A 1 323-A81 WH-18 P977-A131 PK-18 11 P977-C14 PK-18
12-VOLT 306-A68 GN-18 112-A7 PU-10 2 15A 1 149-A15 PU-16 12

BK-16
NEUTRAL START 308-A75 YL-18 3 10A 1 180-A24 GN-16 C-C7
2502048 323-A79 WH-18 112-A8 PU-10 1 15A 1 130-A14 GN-16 CONN 13 1532602 (19) HORN AS
12-VOLT
2 10A 1 158-A22 BR-18 322-C9 GY-18 1
877-A110 YL-10 1 5A 1 158-A23 BR-18 2459398

200-C4
(50) TIMER AS
D 439-A95 YL-18
D

323-C22 WH-18
5A

E953-C12 GY-18
L998-C13 OR-18
P977-C14 PK-18
194-C1 GN-18

200-C3 BK-18
GLOW PLUGS A-C41

616-C11 BU-16
322-C9 GY-18
1199896 7Y3958 10A
G S GND 1 200-A46 BK-18
2 15A
3 C-C4
MTR BAT 200-A48 BK-18 ON (KEY) 4 L987-A120 WH-18 (4) BOX AS 2434505 (40) SWITCH AS
200-A47 BK-18 ST (KEY) 5 306-A69 GN-18 FUSE A-C13 U-C3 194-C1 GN-18 1 PRESSURE (PILOT OIL)

BK-18
7Y3966

BK-18

BK-18
BK-18
BK-18
114-A9 RD-18 GROW RELAY 6 306-A68 GN-18 231-7924 7Y3967 200-C5 BK-18 2 3491812
MOTOR
306-A68 GN-18 308-A75 YL-18 1 158-U1 BR-16
306-A67 GN-18
307-A70 OR-18 CONN 7 1

200-C23
200-C5

200-C6
200-C7
200-C8
320-A76 RD-18 A-C36 A-C18 2 200-WC1 BK-18
(24) MOTOR AS 322-A78 GY-18 7Y3952 7Y3967 WC-C1
STARTING P977-A130 PK-18 1 323-A79 WH-18 1 2304011
2803784 2 L987-A120 WH-18
(25) RELAY A-C37
U-C4
12-VOLT GLOW PLUGS 1920615
1 150-A20 RD-10 7Y3967 C-C5
1199895
A-C38 200-A57 BK-16 1 200-U2 BK-16 2304011 (20) MANIFOLD GP
1920615 A-C34 E953-C12 GY-18 1 SPEED SELECT SOL CONTROL
1 877-A109 YL-10 7Y3966 CONN 8 200-C7 BK-18 2 2744201 (HYD LOCKOUT, SPEED SELECT)
2744199
C-C6
KENR5859-01 VOL 1 of 2

2434505
P977-C14 PK-18 1 HYD LOC SOL
200-C6 BK-18 2 2744202

C-C8 C-C9 Y-C1

2304011 2434505 2434505
L998-C13 OR-18 1 1 L998-Y4 OR-18
L2 200-C8 BK-18 2 CONN 16 2 200-Y1 BK-18

C-C10
122-A13 RD-18 7Y3952
(Dimensions: 39 inches x 28 inches)

105-A3 RD-18 323-C22 WH-18 1

122-A11 RD-18 200-A40 BK-14 122-A13 RD-18 200-C23 BK-18 2
YL-18
WH-16

GN-18

122-A12 RD-18 200-A41 BK-16 149-A15 PU-16 122-A11 RD-18

RD-6

L7 150-A16 RD-10 200-A42 BK-16 180-A25 GN-18 122-A12 RD-18 150-A16 RD-10
194-A32 GN-18 200-A45 BK-16 180-A26 GN-18 122-A13 RD-18 194-A32 GN-18
(34) SENDER 200-A55 BK-16 200-A44 BK-18 180-A27 GN-18 150-A16 RD-10 200-A60 BK-18
C444-E16

109-E1
323-E10

403-E12

WATER TEMPERATURE 200-A57 BK-16 200-A43 BK-18 194-A31 GN-18 194-A32 GN-18 306-A69 GN-18
2803754 201-A63 BK-18 200-A39 BK-16 200-A39 BK-16 200-A39 BK-16 321-A77 BR-18
306-A69 GN-18 200-A58 BK-18 200-A41 BK-16 200-A55 BK-16 322-A78 GY-18
441-E14 OR-18 321-A77 BR-18 200-A138 BK-18 200-A43 BK-18 200-A40 BK-14 Y-C2
T
322-A78 GY-18 202-A66 BK-18 200-A44 BK-18 306-A69 GN-18 323-A83 WH-18 2304011
1 R B 323-A82 WH-18 323-A85 WH-18 200-A58 BK-18 321-A77 BR-18 323-A82 WH-18 L998-Y5 OR-18 1
2 L P 1 327-A87 PK-10 323-A86 WH-18 200-A138 BK-18 322-A78 GY-18 323-A85 WH-18 200-Y2 BK-18 2
E E-C6 331-A89 OR-18 202-A66 BK-18 323-A82 WH-18 323-A86 WH-18 200-Y1 BK-18 (51) VALVE GP
E-C7
7Y3995 403-A91 GN-18 405-A93 GY-18 307-A70 OR-18 323-A85 WH-18 323-A84 WH-18 DIVERTER
7Y3952
877-A111 YL-10 405-A92 GY-18 308-A71 YL-18 323-A86 WH-18 L16 (SWING BOOM, WORK TOOL)
(2) ALTERNATOR AS H740-A116 OR-18 405-A94 GY-18 320-A76 RD-18 327-A87 PK-10 327-A87 PK-10 Y-C3
C CHARGING
2803787
H741-A117
M729-A122
WH-18
PU-18
L2 441-A96
447-A97
OR-18
PK-18
323-A85
323-A86
WH-18
WH-18 L5
403-A91 GN-18
405-A93 GY-18
403-A91
405-A93
GN-18
GY-18 L998-Y4 OR-18 L998-Y6
2304011
OR-18 1
2744203
C
M730-A123 YL-18 616-A99 BU-16 405-A92 GY-18 L2 441-A96 OR-18 441-A96 OR-18 200-Y3 BK-18 2
ENGINE M731-A124
P977-A131
BU-18
PK-18
C444-A112 YL-18 405-A94
441-A96
GY-18
OR-18
447-A97 PK-18
616-A99 BU-16
447-A97
616-A99
PK-18
BU-16
L11
X781-A135 GN-18 E953-A115 GY-18 439-A95 YL-18 877-A111 YL-10 877-A111 YL-10
X782-A136 WH-18 E953-A114 GY-18 447-A97 PK-18 C444-A112 YL-18 C444-A112 YL-18
E953-A113 GY-18 817-A108 WH-18 E953-A115 GY-18 E953-A115 GY-18
OPERATOR STATION 122-A13
200-A39
RD-18
BK-16
L998-A121
P978-A132
OR-18
GN-18
C444-A112
E953-A113
YL-18
GY-18
H740-A116
H741-A117
OR-18
WH-18
H740-A116
H741-A117
OR-18
WH-18
200-A40 BK-14 P979-A133 YL-18 E953-A114 GY-18 L998-A121 OR-18 L998-A121 OR-18
200-A58 BK-18 H742-A118 PU-18 M729-A122 PU-18 M729-A122 PU-18
200-A138 BK-18 105-A3 RD-18 L998-A121 OR-18 M730-A123 YL-18 M730-A123 YL-18
202-A66 BK-18 149-A15 PU-16 M741-A125 GY-18 M731-A124 BU-18 M731-A124 BU-18
L11 323-A85 WH-18 N933-A127 PU-18 P977-A131 PK-18 P977-A131 PK-18
323-A86 WH-18 P969-A128 BR-18 200-A60 BK-18 200-A39 BK-16
405-A93 GY-18 180-A28 GN-18 P978-A132 GN-18 200-A56 BK-16 200-A40 BK-14
441-A96 OR-18 180-A24 GN-16 P979-A133 YL-18 200-A56 BK-16
447-A97 PK-18 180-A25 GN-18 P997-A134 OR-18 200-A59 BK-18 200-A55 BK-16
616-A99 BU-16 180-A26 GN-18 616-A98 BU-16 W-C2
200-A58 BK-18 1552269
C444-A112 YL-18 180-A27 GN-18 616-A101 BU-18 200-A57 BK-16
E953-A115 GY-18 180-A29 GN-16 616-A102 BU-18 (18) GROUND K788-W4 GY-16 1 ANGLE SOL RH
200-A138 BK-18 PLATFORM / CHASSIS (53) VALVE GP
L998-A121 OR-18 194-A31 GN-18 201-W3 BK-16 2 1691181
SOLENOID (BLADE)
P978-A132 GN-18 307-A70 OR-18 8X5804
P979-A133 YL-18 308-A71 YL-18 W-C3 2829318
320-A76 RD-18 1552269
L6 331-A89 OR-18 (17) GROUND
L11 817-A108 WH-18 180-A29 GN-16 L12 M928-W5 BU-16 1 ANGLE SOL LH
PLATFORM
H742-A118 PU-18 200-A42 BK-16 201-W2 BK-16 2 1691181
L-C1 L6 439-A95 YL-18 200-A45 BK-16
2304011 M741-A125 GY-18 616-A99 BU-16 201-A63 BK-18 A-C7 A-C39
L23 L23 1 (41) SWITCH AS
616-L2 BU-16 N933-A127 PU-18 2304011 2434505
200-L1 BK-18 2 P969-A128 BR-18 331-A89 OR-18 1 PRESSURE
201-A61 BK-18
P997-A134 OR-18 200-A59 BK-18 2 (PILOT, TRAVEL)
201-A62 BK-18
A-C35 A-C17 2862305
2304011 2434505 202-A66 BK-18
1 616-A100 BU-16 U-C2 W-C1
CONN 3 2 200-A42 BK-16
202-A64 BK-18
202-A65 BK-18 2305008 2434507 201-W2 BK-16
P978-A132 GN-18 201-U3 BK-16 1 201-W1 BK-16 201-W3 BK-16
180-A29 GN-16 K788-U4 GY-16 2 K788-W4 GY-16
200-A42 BK-16 P979-A133 YL-18
30 Page,

X781-A135 GN-18 M928-U5 BU-16 3 M928-W5 BU-16

200-A45 BK-16 (33) RESISTOR AS A-C30 4
X782-A136 WH-18
L12 2677076 2304011
616-A100
616-A98
BU-16
BU-16
1
2
323-A85
405-A92
WH-18
GY-18
CONN 9
616-A99 BU-16 (42) SWITCH AS
616-A101 BU-18 ROCKER A-C51 A-C50
616-A102 BU-18 (AUTOMATIC ENGINE SPEED CONTROL) 2304011 2434505 158-U1 BR-16
2926666 A-C19 1 616-A137 BU-18 200-U2 BK-16
(47) SWITCH AS A B
6
1117898 CONN 5 2 200-A138 BK-18 201-U3
K788-U4
BK-16
GY-16 A-C24 A-C40
ROTARY 1552269 3E3364
A-C14 5 616-A137 BU-18 M928-U5 BU-16
(ENGINE SPEED)
2304013 4 105-A3 RD-18 P979-A133 YL-18 1 AUX SOL PRESS
2680761
B (36) SOCKET
OUTSIDE A-C49
2434505
A-C16
2304011
KNOB
1500597
1
2
3
P997-A134
H742-A118
OR-18
PU-18
7
8
200-A44
616-A103
BK-18
BU-18
149-A15 PU-16
180-A25 GN-18
202-A64 BK-18
A-C25
2

A-C42
2692299
B
1286985 P969-A128 BR-18 1 616-A102 BU-18 180-A26 GN-18
1 180-A29 GN-16 2 200-A43 BK-18 194-A31 GN-18 1552269 3E3364
2 200-A45 BK-16 3 194-A31 GN-18 200-A39 BK-16 P978-A132 GN-18 1 AUX SOL DRAIN
A-C15 200-A41 BK-16 202-A65 BK-18 2 2692299
OUT SIDE SOCKET X-C2 2305008 200-A43 BK-18
2071686 7X1041
X-C1
2434505 CONN 4 R
BR-16 1 105-A3 RD-18 200-A44 BK-18
(52) VALVE GP
603-X2 PK-16 PU-16 2 307-A70 OR-18
603-X2 PK-16 1 OFF C PILOT
200-X1 BK-16 YL-16 3 308-A71 YL-18 308-A71 YL-18
200-X1 BK-16 2 ON S A-C22 (AUXILIARY, BOOM SWING)
X-C3 OR-16 4 307-A70 OR-18 616-A98 BU-16
ST 1552269 2670424
7X1041 616-A102 BU-18 L5
B 1
817-A108 WH-18 X781-A135 GN-18 SWING SOL LH
194-A31 GN-18 E953-A113 GY-18 201-A61 BK-18 2 2692299
(48) SWITCH AS 200-A43 BK-18 H742-A118 PU-18
START (ENGINE) 200-A44 BK-18 L998-A121 OR-18 A-C23
3228964 616-A102 BU-18 M741-A125 GY-18 1552269
A-C10 616-A103 BU-18 P969-A128 BR-18 X782-A136 WH-18 1 SWING SOL RH
1117898 P997-A134 OR-18 201-A62 BK-18 2 2692299
6 105-A3 RD-18 200-A38 BK-18
5 307-A70 OR-18 200-A37 BK-18
4 308-A71 YL-18 200-A36 BK-18
A B
(45) SWITCH AS 7 200-A33 BK-18 H742-A118 PU-18
8 616-A106 BU-18 P969-A128 BR-18 200-A36 BK-18
ROCKER (TRAVEL ALARM CANCEL)
1 616-A137 BU-18 P997-A134 OR-18 200-A37 BK-18
2661406 2 817-A108 WH-18 200-A38 BK-18
3 M741-A125 GY-18 616-A103 BU-18 122-A13 RD-18
IDENT PART NO. LOC DESCRIPTION
616-A98 BU-16 180-A27 GN-18
616-A137 BU-18 HARNESS AS.
200-A58 BK-18
149-A15 PU-16 202-A66 BK-18 A 352-0046 G-7 MAIN
180-A25 GN-18 320-A76 RD-18
A-C2 L13 180-A26 GN-18 323-A86 WH-18 C 352-0021 F-2 CHASSIS
1117898 200-A37 BK-18 405-A94 GY-18
A B E 352-0042 G-2 ENGINE
6 200-A35 BK-18 200-A36 BK-18 439-A95 YL-18
5 A-C28 200-A39 BK-16 COLOR ABBREVIATIONS
1552273 441-A96 OR-18 G 283-5312 H-6 CSL LH
(43) SWITCH AS 4 200-A33 BK-18 200-A38 BK-18 447-A97 PK-18
ROCKER (AUXILIARY HYDRAULIC, ENABLE) 7 200-A34 BK-18 +B RD 1 180-A27 GN-18 200-A41 BK-16 ABBREV COLOR H 352-0045 F-1 FRONT
616-A101 BU-18
2674926 8 616-A106 BU-18 GND BK 2 200-A38 BK-18 817-A108 WH-18 C444-A112 YL-18
1 616-A105 BU-18 SOL2 BR 3 P979-A133 YL-18 E953-A113 GY-18 E953-A114 GY-18
K 353-1807 H-11 GOVERNOR CONTROL
2 180-A26 GN-18 SOL1 WH 4 P978-A132 GN-18 M741-A125 GY-18
RD RED
L13 (9) CONTROL GP N933-A127 PU-18 L 352-0043 D-11 LIGHTING
3 L998-A121 OR-18 HANDLE (RH) SOL RETURN GN 5 202-A66 BK-18 L998-A121 OR-18 P978-A132 GN-18 WH WHITE
6 M 268-2572 I-11 TRAVEL ALARM
2907847 P979-A133 YL-18
A-C29 SYMBOL DESCRIPTION OR ORANGE U 353-1826 A-8 ANGLE BLADE
1552269
A-C1 GY 1 320-A76 RD-18 YL YELLOW W 283-7944 D-2 ANGLE SOL
1117898 BU 2 200-A58 BK-18
CIRCUIT CONNECTED
X 352-0044 B-11 BEACON
(46) SWITCH AS
A B
6
5
616-A105 BU-18
616-A104 BU-18
OPERATOR STATION PK PINK
Y 340-4084 E-1 2ND AUX
ROCKER (TRAVEL SPEED) 4 200-A34 BK-18 CIRCUIT NOT CONNECTED BK BLACK
2661405 7 200-A35 BK-18 (10) CONTROL GP
BU
CABLE AS.
8 616-A104 BU-18 HANDLE (RH) GY GRAY
GY CA 267-4770 G-1 FUSE HOLDER-MAIN
1 616-A103 BU-18 2907849 ELECTRICAL CONNECTION TO
A 2
3
E953-A113 GY-18
180-A25 GN-18
MACHINE STRUCTURE PU PURPLE CC 275-9685 G-2 FUSE HOLDER-ALT A
A-C8
1114816
WIRE GROUP COLOR DESCRIPTIONS INTERNAL ELECTRICAL CONNECTION BR BROWN CE 356-8802 I-4 BAT-STARTER
A-C11 GND 1 200-A37 BK-18 TO SURFACE OF COMPONENT CF 352-0023 I-4 BAT-GND
1117898 FRONT CONT 2 200-A36 BK-18 GROUND CIRCUIT GN GREEN
6 GOV CONT 3 N933-A127 PU-18
WIRE AS.
A B WIRES THAT HAVE SYSTEM VOLTAGE WHEN THE KEY SWITCH IS OFF BU BLUE
(44) SWITCH AS
5 ENG OIL PRESS 4 405-A94 GY-18 CONNECTOR WC 273-9459 E-1 GOVERNOR (W/O AUTO DECEL)
4 (22) MONITOR GP TRAVEL SPEED 5 E953-A114 GY-18
ROCKER (LIGHT) 7 200-A41 BK-16 ENG COOLANT TEMP 6 441-A96 OR-18 WIRES THAT HAVE SYSTEM VOLTAGE WHEN THE KEY SWITCH IS ON
OPERATOR (8) CONTROL GP
2661404 8 BACK LIGHT 7 616-A101 BU-18
2663807 HANDLE (LH) U-C1 STARTING CIRCUIT H# CIRCUIT GROUPING DESIGNATION
1 FUEL LEVEL 8 447-A97 PK-18
2 149-A15 PU-16 ALTERNATOR(L) 9 C444-A112 YL-18 2907848 1552273
START AID CIRCUIT
THIS SCHEMATIC IS FOR THE 305D CR AND 305.5D CR MINI EXCAVATOR
3 616-A98 BU-16 GLOW INDICATOR 10 439-A95 YL-18 +B 1 158-U1 BR-16
- 11 GND 2 200-U2 BK-16 CALLOUTS MONITOR CIRCUIT ATCH WIRE, CABLE, COMPONENT ELECTRICAL SYSTEM.
+B 12 122-A13 RD-18 SOL1 3 K788-U4 GY-16
KEY ON SIG 13 323-A86 WH-18 SOL2
RETURN
4
5
M928-U5
201-U3
BU-16
BK-16
ENGINE CONTROL CIRCUIT VOLUME 1 of 2: CANOPY
6
Callout Number Component
SPLICE MEDIA NUMBER: KENR5859-01
OPERATOR STATION (Machine Location from (52) VALVE GP - CONTROL Name OTHER COLOR DESCRIPTIONS SCHEMATIC PART NUMBER: 343-9184, CHANGE: 01, VERSION: HE
Component LocationsTable) BLADE, SPADE, RING OR SCREW
138-1234 Part Number
TERMINAL Components are shown installed on a fully operable machine with the key and engine off, transmission shifter
HIGHWAYS
in neutral and with parking brake set.
Refer to the appropriate Service Manual for Troubleshooting, Specifications and Systems Operations.

8 7 6 5 4 3 2 1
 Component Location
Component
Schematic Machine
Component
Schematic Machine KENR5859-01 Harness And Wire Electrical Schematic Symbols
Location Location Location Location June 2011
4 Air Conditioner Gp C-7 54 Relay As - (12-Volt / Alternator) E-7 87 Symbols
Alarm As - Backup F-8 55 Relay As - (12-Volt / Engine Shutoff) E-6 88
Alternator As - Charging C-7 56 Relay As - (12-Volt / Horn) D-7 89
Antenna As B-8 57 Relay As - (12-Volt / Main) D-6 90
T
Battery - (12-Volt, Maintenance Free) F-3 58 Relay As - (12-Volt / Neutral Start) D-7 91
Pressure Temperature Level Flow Circuit Breaker
Box As - Fuse D-4 59 Relay As - (12-Volt / Travel Alarm) E-7 92
Symbol Symbol Symbol Symbol Symbol
Control As - Governor E-3 60 Resistor As B-5 93
Control As - Timer (Engine Shutoff) E-6 61 Sender - Water Temperature C-8 94
Control Gp - Handle (LH) F-5 62 Sender As - Fuel Level E-1 95
Symbols and Definitions
Control Gp - Handle (LH) A-6 63 Socket - Outside B-8 96
Fuse: A component in an electrical circuit that will open the circuit if too much current flows
Control Gp - Handle (RH) A-6 64 Solenoid Gp - A/C Clutch D-8 97 through it.
29 Control Gp - Handle (RH) A-6 65 Solenoid Gp -Shutdown E-8 98
Fuse (30 Ampere) F-2 66 Suppressor - Arc D-8 99 Switch (Normally Open): A switch that will close at a specified point (temp, press, etc.). The
Fuse (50 Ampere) E-1 67 Switch As - A/C Thermostat D-8 100 circle indicates that the component has screw terminals and a wire can be disconnected from it.
Fuse (50 Ampere) E-1 68 Switch As - Limit (Hydraulic Lockout) F-5 101
CONN 9 36 35 Glow Plugs E-8 69 Switch As - Pressure (Engine Oil) D-8 102 Switch (Normally Closed): A switch that will open at a specified point (temp, press, etc.).
CONN 8 33 No circle indicates that the wire cannot be disconnected from the component.
37 Ground - Cab A-8 70 Switch As - Pressure (Pilot Oil) D-1 103
6 62 Ground - Chassis E-1 71 Switch As - Pressure (Pilot, Travel) B-3 104
Ground (Wired): This indicates that the component is connected to a grounded wire. The
31 Ground - Front Frame F-3 72 Switch As - Rocker (Automatic Eng Speed Control) B-6 105
grounded wire is fastened to the machine.
Ground - Platform C-4 73 Switch As - Rocker (Auxiliary Hydraulic, Enable) A-7 106
60
Ground - Platform / Chassis C-3 74 Switch As - Rocker (Light) A-7 107 Ground (Case): This indicates that the component does not have a wire connected to ground.
CONN 18 Heater Gp - Cab C-7 75 Switch As - Rocker (Travel Alarm Cancel) B-7 108 It is grounded by being fastened to the machine.
Horn As - (12-Volt) D-1 76 Switch As - Rocker (Travel Speed) A-7 109
Manifold Gp - Control (Hyd Lockout, Speed Select) D-1 77 Switch As - Rocker (Window, Washer, Wiper) B-1 110 Reed Switch: A switch whose contacts are controlled by a magnet. A magnet closes the
Meter Gp - Service F-3 78 Switch As - Rotary (Engine Speed) B-6 111 contacts of a normally open reed switch; it opens the contacts of a normally closed reed switch.
Monitor Gp - Operator
Motor As - Governor (Engine Speed)
A-6
F-8
79
80
Switch As - Start (Engine)
Switch As - Toggle (Engine Shutdown)
B-6
F-4
112
113 305D CR and 305.5D CR Sender: A component that is used with a temperature or pressure gauge. The sender
measures the temperature or pressure. Its resistance changes to give an indication to
Motor As - Starting D-7 81 Tank Gp - Window Washer E-8 114 T
the gauge of the temperature or pressure.
Motor As - Window Wiper
Receptacle As - Power Supply
C-1
A-8
82
83
Timer As - Glow Plugs
Valve Gp - Diverter (Swing Boom, Work Tool)
D-6
C-1
115
116
Mini Hydraulic Excavator Relay (Magnetic Switch): A relay is an electrical component that is activated by electricity.
Relay - (12-Volt / Glow Plug)
Relay - As - (12-Volt / Start)
D-6
F-1
D-6
84
85
Valve Gp - Pilot (Auxiliary, Boom Swing)
Valve Gp - Solenoid (Blade)
B-3
C-2
117
118 Electrical System It has a coil that makes an electromagnet when current flows through it. The
electromagnet can open or close the switch part of the relay.
Relay As - (12-Volt / Accelerator) 86
Solenoid: A solenoid is an electrical component that is activated by electricity. It has a
305D CR: 305.5D CR: coil that makes an electromagnet when current flows through it. The electromagnet
can open or close a valve or move a piece of metal that can do work.
XER1-UP FLZ1-UP
CONN 7 Magnetic Latch Solenoid: A magnetic latch solenoid is an electrical component that is
7 activated by electricity and held latched by a permanent magnet. It has two coils (latch and unlatch)
Connector Location that make electromagnet when current flows through them. It also has an internal switch that places
8 25
Schematic the latch coil circuit open at the time the coil latches.
39 Connector Number
Location
38 34
CONN 1 F-8 Harness and Wire Symbols
CONN 2 F-8 Wire, Cable, or Harness Harness Identification Letter(s):
CONN 3 B-8 Assembly Identification: Includes (A, B, C, ..., AA, AB, AC, ...)
Harness Identification Letters and
CONN 4 B-7 Harness Connector Serialization Code:
Harness Connector Serialization
CONN 5 B-7 The "C" stands for "Connector" and the
Codes (see sample).
number indicates which connector in the
CONN 6 B-5 harness (C1, C2, C3, ...).
AG-C4 L-C12 L-C12
CONN 7 F-4 111-7898 3E-5179 3E-5179
CONN 8 D-4
Part Number: for Connector Plug 1
CONN 9 D-4 Part Number: for Connector Receptacle
CONN 10 B-4 2
CONN 11 E-2
Plug Receptacle
CONN 12 E-2
Pin or Socket Number
CONN 13 D-2 5A
1 Deutsch connector: Typical representation
CONN 14 D-2 Component
of a Deutsch connector. The plug contains all Fuse (5 Amps) 9X-1123 Part Number
CONN 15 F-1 2 sockets and the receptacle contains all pins.
CONN 10 CONN 6 51 42 20 21
CONN 16 D-1 325-AG135 PK-14
1 Sure-Seal connector: Typical representation Harness identification code:
CONN 17 C-1
of a Sure-Seal connector. The plug and receptacle This example indicates wire group 325, Wire Gauge
CONN 18 B-1 Volume 2 of 2: Cab 2 contain both pins and sockets. wire 135 in harness "AG". Wire Color
64 The connectors shown in this chart are for harness to harness connectors.
Connectors that join a harness to a component are generally located at or near
the component. See the Component Location Chart.
CAB WIRING © 2011 Caterpillar, All Rights Reserved Printed in U.S.A.

16

KENR5859-01 VOL 2 of 2
30 57 9 12 11 26 10 54 56 53 55 58 52 17 14 CONN 14 CONN 11 CONN 12 CONN 13 61 43 27 50

(Dimensions: 39 inches x 28 inches)

28

ENGINE WIRING - LEFT SIDE

44

48 41

49

30 Page,
46
18
1 22 59 40 CONN 3 CONN 4 CONN 5 5 15 13 CONN 15 19 32 CONN 2 CONN 1 2 24 CONN 17 CONN 16 65 23

63
45

47

CONSOLE WIRING - LEFT HAND CONSOLE WIRING - RIGHT HAND MACHINE WIRING - LEFT SIDE MACHINE WIRING - RIGHT SIDE
ENGINE WIRING - RIGHT SIDE

Related Electrical Service Manuals

Title Form Number
Cross Reference for Electrical Connectors: REHS0970
Alternator: SENR2143
Starting Motor: REGO0843
 8 7 6 5 4 3 2 1
L24 P-C2
7Y3967
616-P24 BU-16 1 RD-18 ATCH CAB LAMP
1980852
200-P22 BK-16 1 WH-18
321-N12 BR-16 P-C3
323-N13 WH-16 7Y3966
101-CE2 RD-0 327-N14 PK-10
200-CF1 BK-0 403-N15 GN-18
101-CE1 RD-10 L95 405-N16 GY-18
OPERATOR STATION

L8
441-N17 OR-18
POS NEG 506-N18 PU-14
(62) CONTROL GP L94
C444-N21 YL-18
105-AA2 RD-18 HANDLE (LH) G-C4 G-C2 G-C1 AA-C3 E554-N22 PK-16
N-C13 N-C4 105-AA2 RD-18 105-AA4 RD-18 2907848 3E3382 1552273 2434509 2312295 (58) BATTERY H740-N25 OR-16

M729-N27 PU-16

C444-N21 YL-18
E554-N22 PK-16
H740-N25 OR-16
M731-N29 BU-16
H741-N26 WH-16
M730-N28 YL-16

304-N10 WH-10

327-N14 PK-10
403-N15 GN-18
506-N18 PU-14

405-N16 GY-18
441-N17 OR-18
323-N13 WH-16
2434505 2304011

877-N20 YL-6
200-N8 BK-16

200-N6 BK-16
200-N7 BK-16
105-AA4 RD-18 180-AA38 GN-18 105-AA2 RD-18 +B 1 180-G1 GN-18 308-G4 YL-18 1 308-AA87 YL-18 12-VOLT, H741-N26 WH-16

109-N1 RD-6
1 200-N4 BK-18 105-AA3 RD-18 122-AA14 RD-18 194-AA39 GN-18 105-AA4 RD-18 GND 2 200-G2 BK-18 P977-G5 PK-18 2 P977-AA149 PK-18 MAINTENANCE FREE (72) GROUND M729-N27 PU-16
2 321-N12 BR-16 105-AA4 RD-18 124-AA18 GN-14 201-AA77 BK-18 105-AA1 RD-18 SOL1 3 X782-G7 WH-18 180-G1 GN-18 3 180-AA38 GN-18 1535656 FRONT FRAME M731-N29 BU-16
129-AA19 BU-16 308-AA87 YL-18 180-AA38 GN-18 SOL2 4 X781-G6 GN-18 X781-G6 GN-18 4 X781-AA155 GN-18 M730-N28 YL-16
105-AA2 RD-18 149-AA21 PU-16 331-AA105 OR-18 200-AA67 BK-18 RETURN 5 201-G3 BK-18 200-G2 BK-18 5 200-AA66 BK-18 200-N4 BK-18 (85) RELAY AS
129-AA19 BU-16 150-A22 RD-10 403-AA106 GN-18 200-AA66 BK-18 6 X782-G7 WH-18 6 X782-AA156 WH-18 200-N6 BK-16 200-N5 BK-14 306-N11 GN-16 3
F M-C1
CONN 17 149-AA21 PU-16 170-AA31 BU-16 H740-AA135 OR-18 201-AA77 BK-18
L73
201-G3 BK-18 7 201-AA77 BK-18 200-N7 BK-16 200-N9 BK-18 1
12-VOLT (START)
2666935 F
2434505 180-AA34 GN-16 180-AA34 GN-16 H741-AA136 WH-18 308-AA87 YL-18 8 200-N8 BK-16 200-N9 BK-18 125-N2 RD-12 4
180-AA38 GN-18 180-AA38 GN-18 H742-AA137 PU-18 403-AA106 GN-18 304-N10 WH-10 304-N10 WH-10 2
200-M1
321-M2
BK-18
BR-16
1
2 L67 194-AA40 GN-18 M729-AA141 PU-18 P977-AA149 PK-18 G-C3
2304011
CONN 23 877-N20 YL-6 N-C18
307-AA84 OR-18 194-AA39 GN-18 M730-AA142 YL-18 X781-AA155 GN-18 109-N1 RD-6 N-C19 N-C14 2679973
320-AA91 RD-18 194-AA40 GN-18 M731-AA143 BU-18 X782-AA156 WH-18 1 308-G4 YL-18 101-CE1 RD-10 1851290 7Y3952
(55) ALARM AS 2 1
439-AA110 YL-18 194-AA41 GN-18 N933-AA147 PU-18 P977-G5 PK-18 30A 125-N2 RD-12 AA-C22 N-C12
BACKUP 603-AA114 PK-16 200-AA68 BK-16 P969-AA148 BR-18 2 150-N3 RD-12 7Y3967 7Y3966
1612539 817-AA126 WH-18 200-AA71 BK-16 P977-AA149 PK-18 130-AA20 GN-16 (101) SWITCH AS (66) FUSE 306-AA83 GN-18 1 306-N11 GN-16
H742-AA137 PU-18 201-AA77 BK-18 P997-AA154 OR-18 194-AA39 GN-18 LIMIT (HYDRAULIC LOCKOUT) (30 AMPERE)
M741-AA145
N933-AA147
GY-18
PU-18
306-AA83 GN-18
307-AA84 OR-18
X781-AA155
X782-AA156
GN-18
WH-18
200-AA65 BK-16
331-AA105 OR-18
2677058 8T9636 CONN 31
L73
P969-AA148 BR-18 308-AA87 YL-18 H740-AA135 OR-18 (78) METER GP
P997-AA154 OR-18 308-AA88 YL-18 200-AA64 BK-18 H741-AA136 WH-18 L53 SERVICE
320-AA91 RD-18 200-AA65 BK-16 H742-AA137 PU-18 AA-C34 2859075
(80) MOTOR AS 308-AA85 YL-18 321-AA92 BR-18 200-AA66 BK-18 M729-AA141 PU-18 1532602
GOVERNOR (ENGINE SPEED) 308-AA86 YL-18 322-AA93 GY-18 200-AA67 BK-18 M730-AA142 YL-18 105-AA4 RD-18 1 + - 1
3028529 R-C1 N-C5 308-AA87 YL-18 323-AA97 WH-18 130-AA20 GN-16 M731-AA143 BU-18 SIG
2434509 2312295 (113) SWITCH AS AA-C35
308-AA88 YL-18 327-AA102 PK-10 105-AA1 RD-18 N933-AA147 PU-18 1532602
1 M729-R5 PU-16 H740-R3 OR-16 1 H740-N25 OR-16 122-AA14 RD-18 331-AA103 OR-18 P969-AA148 BR-18 TOGGLE (ENGINE SHUTDOWN)

1
POT VCC
POT OUT 2 M730-R6 YL-16 H741-R4 WH-16 2 H741-N26 WH-16 122-AA15 RD-18 331-AA105 OR-18 P997-AA154 OR-18

AA-C33
1532602
4D1836
POT GND 3 M731-R7 BU-16 M729-R5 PU-16 3 M729-N27 PU-16 124-AA18 GN-14 403-AA106 GN-18
4 M730-R6 YL-16 4 M730-N28 YL-16 150-A22 RD-10 439-AA110 YL-18 200-AA63 BK-18 3
+M 5 H740-R3 OR-16 M731-R7 BU-16 5 M731-N29 BU-16 170-AA31 BU-16 603-AA114 PK-16 200-AA68 BK-16 2
105-AA2 RD-18
-M 6 H741-R4 WH-16 200-R1 BK-16 6 200-N8 BK-16 194-AA41 GN-18 817-AA126 WH-18
506-R2 PU-14 7 506-N18 PU-14 200-AA68 BK-16 877-AA129 YL-10 200-AA71 BK-16 1
R-C2
2305010 8 200-AA71 BK-16 H740-AA135 OR-18 122-AA14 RD-18 105-AA1 RD-18
201-AA77 BK-18 H741-AA136 WH-18 124-AA18 GN-14
CONN 18 306-AA83 GN-18 H742-AA137 PU-18 129-AA19 BU-16 403-AA106 GN-18
321-AA92 BR-18 M729-AA141 PU-18 149-AA21 PU-16 L54 200-AA67 BK-18
322-AA93 GY-18 M730-AA142 YL-18 150-A22 RD-10
L59 323-AA97 WH-18 M731-AA143 BU-18
327-AA102 PK-10 M741-AA145 GY-18 150-AA23 RD-10 CA-C1
(114) TANK GP 1 506-R2 PU-14 N933-AA147 PU-18 150-AA24 RD-10 2338366
WINDOW WASHER PUMP 2 200-R1 BK-16 331-AA104 OR-18 P969-AA148 BR-18 150-AA25 RD-10 1 2
50A
2753969 R-C3 331-AA103 OR-18 P977-AA150 PK-18 170-AA31 BU-16
7Y3952 331-AA105 OR-18 P977-AA149 PK-18 180-AA34 GN-16 50A
403-AA106 GN-18 P997-AA154 OR-18 306-AA81 GN-18 AA-C6 3 4
877-AA129 YL-10 X781-AA155 GN-18 306-AA83 GN-18 2312295 (67) FUSE (50 AMPERE)
H740-AA135 OR-18 X782-AA156 WH-18 307-AA84 OR-18 130-AA20 GN-16 1 GRN +B 233-0098
M729-AA141 PU-18 H809-AA138 YL-18 308-AA88 YL-18 331-AA105 OR-18 2 YL P SW.B
(61) CONTROL AS
M730-AA142 YL-18 306-AA81 GN-18 320-AA91 RD-18 200-AA65 BK-16 3 BK GND
TIMER (ENGINE SHUTOFF)

L54
M731-AA143 BU-18 200-AA64 BK-18 AA-C23 321-AA92 BR-18 P997-AA154 OR-18 4 RD DIAL.SW +5V (60) CONTROL AS CC-C1
2666936 H742-AA137 PU-18 5 PK DIAL.SW SIG
H741-AA136 WH-18 2305010 322-AA93 GY-18 GOVERNOR 101-CE1 RD-10 2338366
122-AA15 RD-18 1 B+ 323-AA97 WH-18 L53 P969-AA148 BR-18 6 BR DIAL.SW GND 101-CA1 RD-10
2680254 1 2
ENGINE P977-AA151
P977-AA149
PK-18
PK-18
200-AA64
H809-AA138
BK-18
YL-18
2
3
GND
OUT
327-AA102
331-AA103
PK-10
OR-18
N933-AA147 PU-18
194-AA39 GN-18
7
8
BLU
WH
L/I OUT
P SW.A
101-CC1
109-CC2
RD-10
RD-10
50A
50A
P977-AA150 PK-18 308-AA86 YL-18 308-AA86 YL-18 4 IN1 439-AA110 YL-18 109-N1 RD-6 3 4
X781-AA155 GN-18 122-AA15 RD-18 306-AA81 GN-18 5 IN2 603-AA114 PK-16 AA-C5 877-AA129 YL-10 877-N20 YL-6
2434508 (68) FUSE (50 AMPERE)
X782-AA156 WH-18 6 817-AA126 WH-18 233-0098
877-AA129 YL-10 H740-AA135 OR-18 1 WH M+ 150-A22 RD-10 150-CA2 RD-10
(92) RELAY AS H809-AA138 YL-18 H741-AA136 WH-18 2 RD M- 150-N3 RD-12

YL-18
GY-18
PK-18
M729-AA141 PU-18 3 PK G/A +5V
E E

YL-10
YL-10

PK-10
OR-18
WH-18

YL-18
PK-16
12-VOLT 200-AA58 BK-18 M741-AA145 GY-18

RD-10
RD-10
RD-10
BK-16
YL-10

RD-10

BK-18
GN-18
GN-18
OR-18
YL-18
RD-18
BR-18
GY-18

WH-18

323-AA96 WH-18

122-AA14 RD-18
124-AA18 GN-14
129-AA19 BU-16
130-AA20 GN-16
149-AA21 PU-16
170-AA31 BU-16
180-AA34 GN-16
323-AA97 WH-18
RD-18
RD-10

107-AA5 RD-10
114-AA9 RD-18

105-AA1 RD-18
TRAVEL ALARM 321-AA92 BR-18 P977-AA150 PK-18 M731-AA143 BU-18 4 BLU G/A GND 306-AA83 GN-18

RD-10
RD-10
323-AA94 WH-18 M730-AA142 YL-18 5 YL G/A SIG
2391183
AA-C45 323-AA96 WH-18 6 C-C2

H809-AA138
M741-AA145
P977-AA150
7Y3958 331-AA103 OR-18 2304011

877-AA129

877-AA127
877-AA128

327-AA102
331-AA103
817-AA126

439-AA110
603-AA114
150-AA26
150-AA27
150-AA28
200-AA71
150-AA25

200-AA63
306-AA81
306-AA83
307-AA84
308-AA88
320-AA91
321-AA92
322-AA93

323-AA96
114-AA9
107-AA5
1 M741-AA145 GY-18 817-AA126 WH-18 AA-C29 N-C1 447-C10 PK-18 1 (95) SENDER AS

150-AA24
150-AA23
5 M741-AA145 GY-18 2434510 2304009 200-C2 BK-18 2 FUEL LEVEL
3 M741-AA146 GY-18 200-AA59 BK-18 200-AA74 BK-18 1 200-N5 BK-14 2666934
6 321-AA92 BR-18 2 323-C22 WH-18
E554-N22 PK-16
C444-N21 YL-18
323-N13 WH-16
PK-10
GY-18

403-N15 GN-18
441-N17 OR-18
304-N10 WH-10
YL-6

200-N6 BK-16
200-N7 BK-16

2 817-AA126 WH-18 321-AA92 BR-18 3 321-N12 BR-16

109-N1 RD-6

194-C1 GN-18
N-C11 4 817-AA125 WH-18 107-AA5 RD-10 323-AA98 WH-18 4 323-N13 WH-16 322-C9 GY-18
2057460 200-AA58 BK-18 114-AA9 RD-18 403-AA106 GN-18 5 403-N15 GN-18 616-C11 BU-16
1 327-N14 PK-10 200-AA59 BK-18 150-AA27 RD-10 405-AA108 GY-18 6 405-N16 GY-18 E953-C12 GY-18
877-N20

(98) SOLENOID GP
327-N14
405-N16

150-AA28 RD-10 441-AA111 OR-18 7 441-N17 OR-18 L998-C13 OR-18

SHUTDOWN (87) RELAY AS 200-AA63 BK-18 C444-AA130 YL-18 8 C444-N21 YL-18 P977-C14 PK-18
2828594 12-VOLT AA-C9 306-AA81 GN-18 E554-AA131 PK-18 9 E554-N22 PK-16 323-C22 WH-18
ALTERNATOR 7Y3957 (88) RELAY AS 307-AA84 OR-18 M729-AA141 PU-18 10 M729-N27 PU-16 194-C1 GN-18
323-AA94 WH-18 12-VOLT 308-AA88 YL-18 M730-AA142 YL-18 11 M730-N28 YL-16
2391182 322-C9 GY-18
1 323-AA95 WH-18 ENGINE SHUTOFF 320-AA91 RD-18 M731-AA143 BU-18 12 M731-N29 BU-16 616-C11 BU-16
3 331-AA103 OR-18 2666935 AA-C47 321-AA92 BR-18
877-N20 YL-6 4 817-AA125 WH-18 2679973 322-AA93 GY-18 CONN 27 E953-C12 GY-18
L998-C13 OR-18
2 H809-AA138 YL-18 323-AA96 WH-18 P977-C14 PK-18
323-AA96 WH-18 1 200-AA60 BK-18 327-AA102 PK-10 AA-C13 N-C3
2681008 2676253 200-C3 BK-18
3 200-AA61 BK-18 331-AA103 OR-18 200-C4 BK-16 200-C2 BK-18
4 107-AA5 RD-10 817-AA126 WH-18 327-AA102 PK-10 1 327-N14 PK-10

(69) GLOW PLUGS

(89) RELAY AS 2 327-AA102 PK-10 H809-AA138
M741-AA145
YL-18
GY-18 FUSE(5A) 141-2759
CONN 28
12-VOLT HORN AA-C4 N-C2
1992356 AA-C49 P977-AA150 PK-18 FUSE(10A) 113-8490
L24

2391182 7Y3957 150-AA26 RD-10 FUSE(15A) 113-8491 2434506 2304013 (71) GND CHASSIS
114-AA9 RD-18 306-AA83 GN-18 FUSE(20A) 113-8492 H740-AA135 OR-18 1 H740-N25 OR-16
1 114-AA10 RD-18 877-AA127 YL-10 FUSE(30A) 124-3548 L69 H741-AA136 WH-18 2 H741-N26 WH-16
3 320-AA91 RD-18 877-AA128 YL-10 1 30A 1 107-AA5 RD-10 506-AA113 PU-16 3 506-N18 PU-14
4
2
322-AA93 GY-18 (90) RELAY AS
12-VOLT MAIN
200-AA71 BK-16 2
3
5A
5A
1
1
122-AA14
114-AA9
RD-18
RD-18 CONN 29
2666935 AA-C46 1 10A 1 105-AA1 RD-18
2679973 112-AA6 PU-10 2 AA-C28 C-C1
2304009 2434510
PK-16

308-AA88 YL-18 112-AA7 PU-10 3

L59

AA-C48 1 308-AA89 YL-18 112-AA8 PU-10 1 10A 1 194-AA41 GN-18 1 194-C1 GN-18 C-C3 H-C1
E554-N23 PK-16
E554-N24 PK-16

YL-18

WH-10
441-N17 OR-18

WH-16
GN-18

322-AA93 GY-18 2 322-C9 GY-18 2434505

RD-0
200-N6 BK-16
200-N7 BK-16

7Y3957 3 200-AA63 BK-18 2 30A 1 2304011

RD-6

L67

(102) SWITCH AS 323-AA99 WH-18 3 323-C22 WH-18 BOOM LAMP

405-N16 GY-18 P977-AA150 PK-18 4 200-AA62 BK-18 117-AA11 YL-10 616-C11 BU-16 1 616-H1 BU-16
PRESSURE 447-AA112 PK-18 4 447-C10 PK-18 2330099
E554-N22

1 200-AA59 BK-18 2 150-AA27 RD-10 117-AA12 YL-10 129-AA19 BU-16 200-C3 BK-18 2 200-H2 BK-18
(ENGINE OIL) 3 200-AA60 BK-18 112-AA6 PU-10 117-AA13 YL-10 117-AA12 YL-10 1 15A 1 124-AA18 GN-14 5
CONN 32
101-CE2
C444-N21
109-N1

304-N10
323-N13
403-N15

1958453 4 306-AA81 GN-18 2 20A 1 170-AA31 BU-16 6

616-AA116 BU-16 7 616-C11 BU-16

L69
2 306-AA82 GN-18 117-AA13 YL-10 1 15A 1 603-AA114 PK-16
307-AA84 OR-18 (86) RELAY AS 2 10A 1 323-AA97 WH-18 8
(91) RELAY AS 12-VOLT ACCELERATOR 877-AA127 YL-10 1 10A 1 323-AA96 WH-18 E953-AA134 GY-18 9 E953-C12 GY-18
12-VOLT 2666935 AA-C12 306-AA83 GN-18 112-AA7 PU-10 2 15A 1 149-AA21 PU-16 L998-AA140 OR-18 10 L998-C13 OR-18
11

BK-16
NEUTRAL START 2679973 150-AA26 RD-10 3 10A 1 180-AA34 GN-16 P977-AA151 PK-18 P977-C14 PK-18 C-C7
308-AA89 YL-18 200-AA58 BK-18 112-AA8 PU-10 1 15A 1 130-AA20 GN-16 12 1532602 (76) HORN AS
2502048
12-VOLT
N-C15 N-C6
1
3
308-AA90
200-AA62
YL-18
BK-18
306-AA82
308-AA90
GN-18
YL-18 877-AA128 YL-10
2
1
10A
5A
1
1
158-AA29
158-AA30
BR-18
BR-18 CONN 30 322-C9 GY-18 1
2459398

200-C4
3E3364 1552269 4 200-AA61 BK-18 323-AA94 WH-18 439-AA110 YL-18

323-C22 WH-18
5A

E953-C12 GY-18
L998-C13 OR-18
P977-C14 PK-18
194-C1 GN-18

200-C3 BK-18
1 E554-N23 PK-16 2 150-AA28 RD-10

616-C11 BU-16
D D

322-C9 GY-18
2 200-N6 BK-16 117-AA11 YL-10 10A
(115) TIMER AS
(99) SUPPRESSOR G S
GLOW PLUGS 15A
AA-C43
ARC 1199896 7Y3958
1893158 MTR BAT 200-AA60 BK-18 GND 1 200-AA58 BK-18 (59) BOX AS
200-AA59 BK-18 2 AA-C15 U-C3 C-C4
FUSE

BK-18
7Y3966 (103) SWITCH AS

BK-18

BK-18
BK-18
BK-18
114-AA9 RD-18 3 7Y3967 2434505
MOTOR 4 231-7924 1 1 PRESSURE (PILOT OIL)
306-AA82 GN-18 ON (KEY) L987-AA139 WH-18 158-U1 BR-16 194-C1 GN-18
306-AA81 GN-18 ST (KEY) 5 306-AA82 GN-18 200-C5 BK-18 2 3491812
307-AA84 OR-18 GROW RELAY 6 306-AA83 GN-18 CONN 24

200-C23
N-C17 N-C8

200-C5

200-C6
200-C7
200-C8
320-AA91 RD-18 308-AA90 YL-18 AA-C20
2434505 2304011 (81) MOTOR AS 322-AA93 GY-18 7Y3967 1
(97) SOLENOID GP 1 E554-N24 PK-16 STARTING P977-AA150 PK-18 1 2 200-WC1 BK-18
A/C CLUTCH 2 522-N19 WH-16 2803784 A-C36 WC-C1
122-AA14 RD-18 2304011
7Y3952
122-AA15 RD-18 1 323-A79 WH-18 AA-C36 U-C4
150-A22 RD-10 2 L987-A120 WH-18 7Y3966 7Y3967
170-AA31 BU-16 A-C37 200-AA71 BK-16 1 200-U2 BK-16
194-AA41 GN-18 (84) RELAY
200-AA68
200-AA71
BK-16
BK-16
12-VOLT GLOW PLUGS
1199895
1
1920615
150-A20 RD-10 CONN 25
A-C38 C-C5
201-AA77 BK-18 1920615 2304011
306-AA83 GN-18 1 877-A109 YL-10 1 (77) MANIFOLD GP
N-C16 N-C7 E953-C12 GY-18 SPEED SELECT SOL
321-AA92 BR-18 200-C7 BK-18 2 2744201 CONTROL
2304011 2434505
KENR5859-01 VOL 2 of 2

322-AA93 GY-18 (HYD LOCKOUT, SPEED SELECT)

(100) SWITCH AS 1 522-N19 WH-16 323-AA97 WH-18 C-C6 2744199
A/C THERMOSTAT 2 200-N7 BK-16 327-AA102 PK-10 2434505
L59 331-AA104 OR-18 P977-C14 PK-18 1 HYD LOC SOL
403-AA106 GN-18 200-C6 BK-18 2 2744202
877-AA129 YL-10 122-AA14 RD-18
H740-AA135 OR-18 122-AA15 RD-18
L68
H741-AA136 WH-18 122-AA16 RD-18
M729-AA141 PU-18 122-AA17 RD-18
M730-AA142 YL-18 150-A22 RD-10
M731-AA143 BU-18 122-AA16 RD-18 105-AA3 RD-18 170-AA31 BU-16 C-C8 C-C9 Y-C1
P977-AA151 PK-18 122-AA17 RD-18 122-AA16 RD-18 170-AA33 BU-16 2304011 2434505 2434505
(Dimensions: 39 inches x 28 inches)

YL-18
WH-16

GN-18

X781-AA155 GN-18 1
170-AA33 BU-16 149-AA21 PU-16 170-AA32 BU-16 L998-C13 OR-18 1
CONN 33 L998-Y4 OR-18
RD-6

X782-AA156 WH-18 180-AA35 GN-18 194-AA41 GN-18 150-A22 RD-10 200-C8 BK-18 2 2 200-Y1 BK-18
124-AA18 GN-14 200-AA49 BK-14 180-AA36 GN-18 200-AA48 BK-16 194-AA41 GN-18
(94) SENDER (54) AIR CONDITIONER GP 200-AA50 BK-16 180-AA37 GN-18 200-AA69 BK-14 200-AA74 BK-18
C444-N21

109-N1
323-N13

403-N15

WATER TEMPERATURE 2731445 200-AA51 BK-16 194-AA40 GN-18 200-AA68 BK-16 306-AA83 GN-18
2803754 +B RD 1 200-AA54 BK-14 200-AA48 BK-16 200-AA49 BK-14 321-AA92 BR-18 C-C10
GND BK/BU 2 200-AA52 BK-18 200-AA50 BK-16 306-AA83 GN-18 322-AA93 GY-18 7Y3952
441-N17 OR-18 3 200-AA53 BK-18 200-AA52 BK-18 321-AA92 BR-18 323-C22 WH-18 1 To Fuel Pump
T KEY SW OR 4 200-AA48 BK-16 200-AA53 BK-18 322-AA93 GY-18 323-AA98 WH-18 200-C23 BK-18 2
1 R B 200-AA72 BK-18 200-AA72 BK-18 323-AA97 WH-18 323-AA97 WH-18
2 L P 1 202-AA80 BK-18 200-AA158 BK-18 323-AA100 WH-18 323-AA100 WH-18
E N-C9 AA-C14 200-AA158 BK-18 202-AA80 BK-18 323-AA101 WH-18 323-AA101 WH-18
N-C10
7Y3995 2305008 323-AA100 WH-18 307-AA84 OR-18 327-AA102 PK-10 323-AA99 WH-18
7Y3952
+B RD 1 124-AA18 GN-14 323-AA101 WH-18 308-AA85 YL-18 403-AA106 GN-18 L69
(56) ALTERNATOR AS GND BK/BU 2 200-AA69 BK-14 320-AA91 RD-18 405-AA108 GY-18 327-AA102 PK-10
CHARGING CLUTCH RD/GN 3 E554-AA131 PK-18 405-AA108 GY-18 323-AA100 WH-18 441-AA111 OR-18 403-AA106 GN-18
C 2803787 KEY SW OR 4 170-AA32 BU-16 L68 405-AA107
405-AA109
GY-18
GY-18
323-AA101
405-AA107
WH-18
GY-18
L5
L68
447-AA112
506-AA113
PK-18
PU-16
405-AA108
441-AA111
GY-18
OR-18 C
ENGINE (75) HEATER GP -
2731450
CAB
441-AA111
447-AA112
OR-18
PK-18
405-AA109
441-AA111
GY-18
OR-18
616-AA116 BU-16
877-AA129 YL-10
447-AA112
506-AA113
PK-18
PU-16
Y-C2
2304011
L72
506-AA113 PU-16 439-AA110 YL-18 C444-AA130 YL-18 616-AA116 BU-16 L998-Y5 OR-18 1
122-AA16 RD-18 616-AA116 BU-16 447-AA112 PK-18 E953-AA134 GY-18 877-AA129 YL-10 200-Y2 BK-18 2
122-AA17 RD-18 C444-AA130 YL-18 817-AA126 WH-18 E554-AA131 PK-18 C444-AA130 YL-18 200-Y1 BK-18
OPERATOR STATION 170-AA33
200-AA48
BU-16
BK-16 E953-AA134 GY-18
C444-AA130
E953-AA132
YL-18
GY-18
H740-AA135
H741-AA136
OR-18
WH-18
E554-AA131
E953-AA134
PK-18
GY-18
(116) VALVE GP
DIVERTER
200-AA49 BK-14 E953-AA132 GY-18 E953-AA133 GY-18 L998-AA140 OR-18 H740-AA135 OR-18 Y-C3 (SWING BOOM, WORK TOOL)
200-AA72 BK-18 E953-AA133 GY-18 H742-AA137 PU-18 M729-AA141 PU-18 H741-AA136 WH-18 2304011 2744203
202-AA80 BK-18 L998-AA140 OR-18 L998-AA140 OR-18 M730-AA142 YL-18 L998-AA140 OR-18 L998-Y4 OR-18 L998-Y6 OR-18 1
200-AA158 BK-18 P978-AA152 GN-18 M741-AA145 GY-18 M731-AA143 BU-18 M729-AA141 PU-18 200-Y3 BK-18 2
L72 323-AA100 WH-18 P979-AA153 YL-18 N933-AA147 PU-18 P977-AA151 PK-18 M730-AA142 YL-18
323-AA101 WH-18 P969-AA148 BR-18 200-AA70 BK-16 M731-AA143 BU-18
405-AA108 GY-18 105-AA3 RD-18 P978-AA152 GN-18 200-AA74 BK-18 P977-AA151 PK-18 (118) VALVE GP
441-AA111 OR-18 129-AA19 BU-16 P979-AA153 YL-18 SOLENOID (BLADE)
447-AA112 PK-18 149-AA21 PU-16 P997-AA154 OR-18 200-AA73 BK-18 200-AA48 BK-16 2829318
506-AA113 PU-16 616-AA115 BU-16 200-AA71 BK-16 200-AA49 BK-14 W-C2
616-AA116 BU-16 616-AA119 BU-18 200-AA72 BK-18 200-AA70 BK-16 1552269
C444-AA130 YL-18 180-AA38 GN-18 616-AA120 BU-18 200-AA158 BK-18 200-AA68 BK-16 K788-W4 GY-16 1 ANGLE SOL RH
E953-AA134 GY-18 180-AA34 GN-16 200-AA69 BK-14 (74) GROUND 201-W3 BK-16 2 1691181
L998-AA140 OR-18 180-AA35 GN-18 PLATFORM / CHASSIS
W-C3 L
P978-AA152 GN-18 180-AA36 GN-18 8X5804 T-C2
P979-AA153 YL-18 180-AA37 GN-18 331-AA104 OR-18 1552269 1300-1415 GND (82) MOTOR AS
L67 (73) GROUND MOTOR
194-AA40 GN-18 122-AA17 RD-18 M928-W5 BU-16 1 ANGLE SOL LH WINDOW WIPER
L64 PLATFORM T1 GN-18 1
L72 307-AA84 OR-18 129-AA19 BU-16 201-W2 BK-16 2 1691181 T2 BK-18 2 T 2758629
308-AA85 YL-18 170-AA33 BU-16 201-AA77 BK-18 T3 WH-18 3 P
320-AA91 RD-18 200-AA51 BK-16 201-AA75 BK-18 AA-C7 AA-C41 B+
T4 RD-18 4
L67 603-AA114 PK-16 200-AA54 BK-14 201-AA76 BK-18 2304011 2434505 (104) SWITCH AS
L24 616-P24 BU-16 817-AA126 WH-18 506-AA113 PU-16 331-AA104 OR-18 1 2434505 PRESSURE T-C1
200-P22 BK-16 H742-AA137 PU-18 603-AA114 PK-16 202-AA80 BK-18 200-AA73 BK-18 2 (PILOT, TRAVEL) 7122-2446
AA-C37 AA-C19 122-AA17 RD-18 439-AA110 YL-18 616-AA116 BU-16 202-AA78 BK-18 CONN 34

1
2
3
4
2862305 P-C14
2304011 2434505 129-AA19 BU-16 M741-AA145 GY-18 202-AA79 BK-18
1 616-AA117 BU-16 170-AA33 BU-16 N933-AA147 PU-18 P978-AA152 GN-18 U-C2 W-C1 7123-2446
P-C6
CONN 20

200-P20 BK-16
2 200-AA51 BK-16 200-AA51 BK-16 P969-AA148 BR-18 P979-AA153 YL-18 2305008 2434507 201-W2 BK-16

170-P9 YL-16
6130-0330 P997-AA154 OR-18 X781-AA155 GN-18 201-U3 BK-16 1 201-W1 BK-16 201-W3 BK-16

P34 BR-16

P33 GN-16
DOME LAMP
2811159 1 200-P13 BK-18 616-P24 BU-16 1 200-AA54 BK-14 L64 X782-AA156 WH-18 K788-U4 GY-16 2 K788-W4 GY-16
2 122-P2 RD-18 200-P22 BK-16 2 200-AA55 BK-16 M928-U5 BU-16 3 M928-W5 BU-16
3 200-P12 BK-18 P-C1 200-AA56 BK-16 4
30 Page,

2304011 200-AA57 BK-16 AA-C32

200-P30 BK-18 P-C4 AA-C18

506-AA113
603-AA114
PU-16
PK-16 (105) SWITCH AS (93) RESISTOR AS 1
2304011
323-AA100 WH-18
CONN 26
2304009 2434510 ROCKER 2677076 2 405-AA107 GY-18 P-C15
ATCH FACE FAN P-C5 506-P23 PU-16 1 506-AA113 PU-16 (AUTOMATIC ENGINE SPEED CONTROL) 1117898
1061744 1552269 129-P4 BU-16 2 129-AA19 BU-16 616-AA118 BU-18 158-U1 BR-16
2926666 P34 BR-16 1 (110) SWITCH AS
POWER 1 200-P16 BK-18 616-P25 BU-16 3 616-AA118 BU-18 616-AA117 BU-16 AA-C21 AA-C52 AA-C51 200-U2 BK-16 P33 GN-16 2 ROCKER
GND 2 603-P33 PK-18 122-P1 RD-18 4 122-AA17 RD-18 616-AA115 BU-16 (111) SWITCH AS 1117898 2304011 2434505 201-U3 BK-16 200-P19 BK-16 3
A B AA-C26 AA-C42 (WINDOW, WASHER, WIPER)
BEACON SOCKET 170-P5 YL-16 5 170-AA33 BU-16 616-AA116 BU-16 ROTARY AA-C16 6 1 616-AA157 BU-18 K788-U4 GY-16 4
1286985
603-P21 PK-18
6
7
200-AA55
603-AA114
BK-16
PK-16
616-AA119
616-AA120
BU-18
BU-18
(ENGINE SPEED)
1
2304013
P997-AA154 OR-18
5
4
CONN 22 2 200-AA158 BK-18 M928-U5 BU-16
P979-AA153
1552269
YL-18 1
3E3364
AUX SOL PRESS
506-P23 PU-16 5 1587802
2680761 170-P6 YL-16 6
8 KNOB 2 H742-AA137 PU-18 7 200-AA53 BK-18 202-AA78 BK-18 2 2692299 200-P18 BK-16 7
P-C18 9 1500597 3 P969-AA148 BR-18 8 616-AA120 BU-18 616-AA157 BU-18 170-P7 YL-16 616-P25 BU-16 8
B (96) SOCKET
OUTSIDE 2071686 1306789
200-P11 BK-16
10
11 200-AA57 BK-16
1
2
616-AA121
200-AA52
BU-18
BK-18
105-AA3 RD-18
149-AA21 PU-16
AA-C27
1552269
AA-C44
3E3364
170-P8 YL-16 B
603-P34 PK-18 1 170-P9 YL-16
200-P10 BK-16 12 200-AA56 BK-16 3 194-AA40 GN-18 180-AA35 GN-18 P978-AA152 GN-18 AUX SOL DRAIN
200-P32 BK-18 AA-C17 2 200-P31 BK-16
180-AA36 GN-18 202-AA79 BK-18 2692299
P-C19
1306789
CONN 21 R
2305008 194-AA40 GN-18 L80
200-P18 BK-16
BR-16 1 105-AA3 RD-18 200-AA48 BK-16 (117) VALVE GP 200-P19 BK-16
PU-16 2 200-AA50 BK-16 PILOT
OFF C
YL-16 3 308-AA85 YL-18 200-AA52 BK-18 (AUXILIARY, BOOM SWING)
P-C9 ON S OR-16 4 307-AA84 OR-18 200-AA53 BK-18 AA-C24 200-P20 BK-16
ST 1552269 2670424
7Y3952 307-AA84 OR-18 170-P6 YL-16
1 B 1 506-P23 PU-16
+ 194-AA40 GN-18 308-AA85 YL-18 X781-AA155 GN-18 SWING SOL LH
P-C7 2 - 200-AA52 BK-18 616-AA115 BU-16 201-AA75 BK-18 2 2692299 616-P25 BU-16
1552264 (112) SWITCH AS 200-AA53 BK-18 616-AA120 BU-18 L5
1 P32 WH-18 ATCH SPEAKER LH START (ENGINE) 616-AA120 BU-18 817-AA126 WH-18 AA-C25
(57) ANTENNA AS 2 P31 PU-18 2034455 3228964 616-AA121 BU-18 E953-AA132 GY-18 1552269
2594883 3 200-P14 BK-16 AA-C10 H742-AA137 PU-18 X782-AA156 WH-18 1 SWING SOL RH
4 1117898 105-AA3 RD-18 L998-AA140 OR-18 201-AA76 BK-18 2 2692299
5 122-P3 RD-18 6 307-AA84 OR-18 M741-AA145 GY-18
6 170-P8 YL-16 5 308-AA85 YL-18 P969-AA148 BR-18
7 P30 GN-18 4 H742-AA137 PU-18 P997-AA154 OR-18
A B
8 P29 BR-18 P-C8 (108) SWITCH AS 7 200-AA42 BK-18 P969-AA148 BR-18 200-AA47 BK-18
7Y3952 8 616-AA157 BU-18 P997-AA154 OR-18 200-AA46 BK-18
CONN 19 1 +
ROCKER (TRAVEL ALARM CANCEL)
2661406 1 616-AA124 BU-18 200-AA45 BK-18 OPERATOR STATION
2 - 2 817-AA126 WH-18 616-AA157 BU-18
3 M741-AA145 GY-18 616-AA121 BU-18 200-AA45 BK-18 IDENT PART NO. LOC DESCRIPTION
ATCH SPEAKER RH 149-AA21 PU-16 200-AA46 BK-18
200-AX1 BK-16 2034455 180-AA35 GN-18 200-AA47 BK-18
HARNESS AS.
180-AA36 GN-18 122-AA16 RD-18 AA 352-0039 G-8 MAIN
200-AA45 BK-18 180-AA37 GN-18
AA-C2 L61 L61 200-AA44 BK-18 200-AA46 BK-18 200-AA72 BK-18 C 352-0021 F-2 CHASSIS
P-C11 L80
1117898 200-AA47 BK-18 202-AA80 BK-18
1306789 (106) SWITCH AS
A B
6 200-AA48 BK-16 320-AA91 RD-18
N 352-0020 G-2 ENGINE
(83) RECEPTACLE AS 129-P4 BU-16 ROCKER (AUXILIARY HYDRAULIC, ENABLE) 5 200-AA50 BK-16 323-AA101 WH-18 G 283-5312 H-6 CSL LH
POWER SUPPLY 200-P17 BK-16 2674926 4 200-AA42 BK-18 AA-C30 616-AA115 BU-16 405-AA109 GY-18 COLOR ABBREVIATIONS
7 200-AA43 BK-18 1552273 817-AA126 WH-18 439-AA110 YL-18 H 352-0045 F-1 FRONT
1787539 P-C10
1306789 8 616-AA124 BU-18 +B RD 1 180-AA37 GN-18 E953-AA132 GY-18 441-AA111 OR-18
1 616-AA123 BU-18 GND BK 2 200-AA47 BK-18 M741-AA145 GY-18 447-AA112 PK-18 ABBREV COLOR R 352-0019 H-11 GOVERNOR CONTROL
200-P15 BK-14 2 180-AA36 GN-18 SOL2 BR 3 P979-AA153 YL-18 L998-AA140 OR-18 616-AA119 BU-18 M 268-2572 I-11 TRAVEL ALARM
3 L998-AA140 OR-18 (64) CONTROL GP SOL1 WH 4 P978-AA152 GN-18 C444-AA130 YL-18 RD RED
HANDLE (RH) SOL RETURN GN 5 202-AA80 BK-18 E953-AA133 GY-18 P 280-8534 C-11 CAB LIGHT
(70) GROUND 6 N933-AA147 PU-18 WH WHITE
2907847 T 285-4408 C-2 CAB(WIPER MOTOR)
CAB P978-AA152 GN-18
AA-C31 P979-AA153 YL-18 SYMBOL DESCRIPTION OR ORANGE U 353-1826 A-8 ANGLE BLADE
AA-C1 1552269
1117898 GY 1 320-AA91 RD-18 YL YELLOW W 283-7944 D-2 ANGLE SOL
A B 2
122-P2 RD-18 6 616-AA123 BU-18 BU 200-AA72 BK-18 CIRCUIT CONNECTED
122-P3 RD-18 5 616-AA122 BU-18
PK PINK Y 340-4084 E-1 2ND AUX
129-P4 BU-16 4 200-AA43 BK-18
170-P8 YL-16 (109) SWITCH AS 7 200-AA44 BK-18 AX 281-1160 B-12 RADIO ANTENNA
200-P15 BK-14 ROCKER (TRAVEL SPEED) 8 616-AA122 BU-18 (65) CONTROL GP CIRCUIT NOT CONNECTED BK BLACK
2661405 1 HANDLE (RH) BU CABLE AS.
200-P22 BK-16 616-AA121 BU-18 GY
WIRE GROUP COLOR DESCRIPTIONS
BK-16
BK-16
BK-16

200-P28 BK-16 2 E953-AA132 GY-18 2907849 GY GRAY CA 267-4770 G-1 FUSE HOLDER-MAIN
ELECTRICAL CONNECTION TO
BK-16
BK-16
616-P24 BU-16

603-P21 PK-18
200-P22 BK-16
200-P15 BK-14

BK-16

PU-16
BU-16

A A
YL-16

YL-16
YL-16
YL-16

3 180-AA35 GN-18
129-P4 BU-16
122-P1 RD-18
122-P3 RD-18
122-P2 RD-18

AA-C8 L80 MACHINE STRUCTURE PU PURPLE CC 275-9685 G-2 FUSE HOLDER-ALT

200-P30 BK-18
200-P27 BK-16 1114816 GROUND CIRCUIT
CE 356-8802 I-4 BAT-STARTER
200-P29
200-P28
200-P11

AA-C11 GND 1 200-AA46 BK-18

WIRES THAT HAVE SYSTEM VOLTAGE WHEN THE KEY SWITCH IS OFF INTERNAL ELECTRICAL CONNECTION BR BROWN
200-P20
200-P31
200-P10

506-P23
616-P25
170-P8

170-P5
170-P6
170-P7

200-P20 BK-16 1117898 FRONT CONT 2 200-AA45 BK-18 CF 352-0023 I-4 BAT-GND
200-P27 BK-16 6 GOV CONT 3 N933-AA147 PU-18
(63) CONTROL GP TO SURFACE OF COMPONENT GN GREEN
A B ENG OIL PRESS 4 405-AA109 GY-18 HANDLE (LH) U-C1
WIRES THAT HAVE SYSTEM VOLTAGE WHEN THE KEY SWITCH IS ON WIRE AS.
200-P16 BK-18 5
(107) SWITCH AS (79) MONITOR GP TRAVEL SPEED 5 E953-AA133 GY-18 2907848 1552273
4 STARTING CIRCUIT CONNECTOR BU BLUE
200-P26 BK-16 ROCKER (LIGHT) 7 200-AA50 BK-16 OPERATOR ENG COOLANT TEMP 6 441-AA111 OR-18 +B 1 158-U1 BR-16
WC 273-9459 E-1 GOVERNOR (W/O AUTO DECEL)
200-P14 BK-16 2661404 8 2663807 BACK LIGHT 7 616-AA119 BU-18 2
GND 200-U2 BK-16 START AID CIRCUIT
200-P17 BK-16 1 FUEL LEVEL 8 447-AA112 PK-18 SOL1 3 K788-U4 GY-16
200-P32 BK-18 2 149-AA21 PU-16 ALTERNATOR(L) 9 C444-AA130 YL-18 SOL2 4 M928-U5 BU-16 MONITOR CIRCUIT H# CIRCUIT GROUPING DESIGNATION
THIS SCHEMATIC IS FOR THE 305D CR AND 305.5D CR MINI EXCAVATOR
L80

603-P33 PK-18 3 616-AA115 BU-16 GLOW INDICATOR 10 439-AA110 YL-18 RETURN 5 201-U3 BK-16
603-P34 PK-18 - 11 6 ENGINE CONTROL CIRCUIT
12 122-AA16 RD-18
603-P21 PK-18
+B
KEY ON SIG 13 323-AA101 WH-18 CALLOUTS HEATER AND AIR CONDITIONER CIRCUIT ATCH WIRE, CABLE, COMPONENT ELECTRICAL SYSTEM.
616-P24 BU-16
TURN SIGNAL / WIPER WASHER CIRCUIT VOLUME 2 of 2: CAB
OPERATOR STATION Callout Number Component
SPLICE MEDIA NUMBER: KENR5859-01
(Machine Location from (52) VALVE GP - CONTROL Name OTHER COLOR DESCRIPTIONS SCHEMATIC PART NUMBER: 343-9184, CHANGE: 01, VERSION: HE
Component LocationsTable) BLADE, SPADE, RING OR SCREW
138-1234 Part Number
TERMINAL Components are shown installed on a fully operable machine with the key and engine off, transmission shifter
HIGHWAYS
in neutral and with parking brake set.
Refer to the appropriate Service Manual for Troubleshooting, Specifications and Systems Operations.

8 7 6 5 4 3 2 1