Component Location Wire Description

Schematic Machine Schematic Machine Wire Wire Wire Wire RENR7090-01

Component Component Description Description
Location Location Location Location Number Color Number Color January 2005
A/C Switch Panel D-3 A Solenoid - 1way / 2way A-4 55 Power Circuits Accessory Circuits (Continued)
A/C Unit F-5 28 Solenoid - A/C Clutch B-12 19 101 RD Batt + A537 PK Seat Heater Electrical Schematic Symbols And Definitions
Alarm - Action D-1 A Solenoid - Check 1 A-4 20 103 RD Dome Lamp/ Memory A579 OR Wiper Control W. CCW
Alarm - Travel A-5 3 Solenoid - Check 2 A-5 21 105 RD Key Switch A580 BR Wiper Control W. CW
Alternator C-12 4 Solenoid - Fine Swing D-11 A 109 RD Start Relay A581 GN Wiper Control Rev
Battery J-12 6 Solenoid - Flow Limit B-8 F 110 RD Timer Relay A582 PU Wiper Control Stop
E 25 T
Breaker - Alternator (60A) G-10 Solenoid - Hammer H-12 112 PU Main Relay A584 BU Wiper Control Wipercut
Connector Location
Control - Wiper D-2 A Solenoid - Hammer Pressure H-12 25 113 OR Sw Panel / Radio A586 OR W. INT (6) Pressure Temperature Level Flow
Schematic Machine
Connector Number Controller - Engine / Pump F-9 E Solenoid - Hyd Lock D-12 G 114 RD Horn A588 GN Hyd Loc Solenoid
Symbol Symbol Symbol Symbol
Location Location
CONN 1 G-12 E Controller - Heater Unit J-7 E Solenoid - Power Shift A-7 F 115 RD Cab Lamp C537 GN A/C Switch Panel
CONN 2 J-11 E Controller - Starter J-10 E Solenoid - Quick Coupler A-7 F 118 GY Wiper / Washer C538 OR A/C Switch Panel
CONN 3 G-9 E Controller - Valve D-9 E Solenoid - Relief Check 1 A-4 20 120 YL 12V 7A Converter 1 C560 OR Aux
CONN 4 G-9 E
Converter D-5 40 Solenoid - Relief Check 2 A-5 21 123 WH Seat Heater C566 PK Aux
CONN 5 G-8 E Normally open switch that will close with an increase of a specific condition (temp-press-etc.).
Diode J-11 E Solenoid - Stem 1 (A) A-8 34 124 GN A/C C569 YL 12V 7A Socket
CONN 6 G-8 E
CONN 7 G-8 E Diode J-8 E Solenoid - Stem 1 (B) A-8 35 129 BU Cigar Lighter Lighting Circuits
CONN 8 G-7 E Diode H-7 E Solenoid - Stem 2 (A) A-8 36 130 RD Batt + Valve Cont 607 PK Lamp Relay Chassis Normally open switch that is closed due to an applied condition, and will open again with a
CONN 9 G-7 E Diode A-2 44 Solenoid - Stem 2 (B) A-8 37 135 BU 12V Out Converter 615 YL Cab Lamp Relay specific decrease in that condition.
CONN 10 E-7 E Engine Governor Actuator A-12 1 Solenoid - Stem 3 (A) A-8 38 147 PU ATT Sol 616 BU Boom Lamp Relay
CONN 11 C-6 17
Fuse Base H-10 E Solenoid - Stem 3 (B) A-9 39 149 RD Boom Lamp 645 RD Boom Lamp Relay
CONN 12 D-6 A
Indicator Unit G-1 A Solenoid - Straight Travel D-12 G 150 OR Quick Coupler 646 RD L. Chassis
CONN 13 J-6 G
C G
Normally closed switch that will open with an increase of a specific condition.
CONN 14 G-5 D Joystick LH J-2 Solenoid - Swing Brake D-12 151 GN Hyd Lock Cancel Sw A623 BU Chassis Lamp
CONN 15 F-5 A Joystick RH G-1 B Solenoid - Thumb Close A-9 F 152 BU Lower Washer / Wiper Control Circuits

320C Excavator
CONN 16 F-5 A Meter - Service D-1 A Solenoid - Thumb Open A-9 F 154 RD Neutral Start Relay 763 BU Travel Speed Solenoid
CONN 17 F-4 A Monitor F-1 A Solenoid - Travel Speed E-12 G 160 PU Chassis Lamp 780 PU Quick Coupler Switch Normally closed switch that is open due to an applied condition, and will close again
CONN 18 H-3 D
Motor - Lower Washer J-12 11 Switch - Air Cleaner Flow J-11 24 168 RD Refueling Pump 788 YL Speed Sensor with a specific decrease in that condition.

Electrical System
CONN 19 H-3 D
Motor - Lower Wiper J-1 D Switch - Aux Hyd Pressure H-1 D 169 PK Backup / Monitor Cont 877 YL Heater Relay
CONN 20 H-3 D
Motor - Refueling Pump A-3 45 Switch - Backup EPR Valve G-2 B 172 RD Product Link 892 BR CAT Link
CONN 21 F-3 A
CONN 22 B-3 54 Motor - Starter B-12 12 Switch - Backup Govenor G-2 B 175 RD A/C Blower 893 GN Product Link The circle indicates that the component has screw terminals and a wire can be disconnected
CONN 23 B-3 55 Motor - Washer J-12 13 Switch - Coolant Level J-12 25 179 BU 12V 7A Converter 2 954 GN Hammer Foot Sw. MAB1-UP from it.
CONN 24 A-3 57 Motor - Wiper E-1 A Switch - Disonnect G-11 E 180 GN AUX Circuit 998 BR Aux
CONN 25 A-3 58 Relay - Boom Lamp J-11 E Switch - Fine Swing D-4 50 184 RD E/P Cont A718 PU Heater Cont Unit (Temp)
PAB1-UP
CONN 26 C-2 8
Relay - Cab Lamp H-11 E Switch - Hammer Foot J-3 D 189 RD Timer Relay Out A755 PK Throttle Pos Sw S1 GAC1-UP
CONN 27 C-2 7 No circle indicates that the wire cannot be disconnected from the component.
CONN 28 E-2 B
Relay - Chassis Lamp J-11 E Switch - Hammer Pressure A-9 F 191 WH Power Window A756 BU Throttle Pos Sw S2 FBC1-UP
E D
CONN 29 F-2 A Relay - Heater J-8
E
Switch - Hammer Pressure H-1
A
Ground Circuits A757 GY Throttle Pos Sw S3
GNG1-UP
CONN 30 H-2 D Relay - Horn H-11 Switch - Heater D-3 200 BK Ground A758 BR Throttle Pos Sw S4
CONN 31 H-2 D Relay - Hyd Lock Solenoid H-11 E Switch - Hyd Oil Filter A-6 F 201 BK Cab Ground A761 PU Eng Gov Actuator F/B
SBN1-UP
CONN 32 A-5 20 Relay - Main J-7 E Switch - Hyd Oil Level A-6 F 210 BK Converter Ground A762 PU Speed Sensor HKT1-UP This indicates that the component has a wire connected to it that is connected to ground.
CONN 33 G-1 B
The connectors shown in this chart are for harness to harness connectors.
Relay - Neutral Start Relay G-11 E Switch - Joystick Pressure J-3 D 229 BK Converter Ground A768 BU Power Shift Control RAW1-UP
Relay - Refueling Start A-3 44 Switch - Key G-1 B 235 BK Relay Panel Ground A769 GY Back EPR Valve Sw.
Connectors that join a harness to a component are generally located at or near the
component. See the Component Location Chart. Relay - Refueling Stop A-2 45 Switch - Lower Washer D-3 A Basic Machine Circuits A770 PK Back EPR Valve Sw.
Relay - Start G-7 E Switch - Lower Wiper D-3 A 304 WH Starting Circuit C987 RD V Cont
This indicates that the component does not have a wire connected to ground. It is grounded
Relay - Thumb Close J-8 E Switch - Medium Line Pressure J-1 D 306 GN Neutral Start Circuit F773 OR Back Up Gov
by being fastened to the machine.
Relay - Thumb Open J-8 E Switch - Neutral Start Limit J-2 D 307 OR Starting Circuit F774 WH Back Up Gov
Relay - Timer J-10 E Switch - Oil Level A-12 26 308 YL Gov Acutator F889 WH Aux
Resistor - Air Heater A-10 2 Switch - Oil Pressure A-12 27 309 GY Alt Regulator G976 BU Refueling Start Sw
Resistor - Backup J-7 E Switch - One Touch Low Idle H-1 B 310 PU Heater Relay K776 GN Start Contrl Relay L
Resistor - Engine Speed Pickup A-10 2 Switch - Quick Coupler E-1 B 320 RD Horn Relay K843 GN Right Joystick (1)
Seat Heater H-1 14 Switch - Refueling Level A-5 17 321 BR Travel Alarm K844 GY Left Joystick (1)
Sender - Coolant Temperature C-12 15 Switch - Refueling Start (N.O.) A-3 52 322 GY Horn K847 PU Right Joystick (2)
Sender - Hyd Oil Temperature A-6 F Switch - Refueling Stop (N.C.) A-3 53 323 WH Refueling Pump Relay K848 WH Left Joystick (2)
Sensor - A/C Photo E-1 A Switch - Straight Travel Pressure H-1 D 325 PK Refueling Relay K849 YL Stcm 1 Status
Sensor - AIH Coolant Temperature C-12 16 Switch - Throttle Position G-1 B 326 RD Key Switch K850 BR Stcm 2 Status
Sensor - Fuel Level A-6 17 Switch - Travel Left Pressure J-1 D 330 YL Start Control Relay K851 BU Med Line Pressure
Sensor - Pump Discharge Pressure 1 A-7 F Switch - Travel Right Pressure J-1 D 365 YL K852 GN Stem Swing Cancel
Sensor - Pump Discharge Pressure 2 A-7 F Switch - Under Window Limit E-2 A Monitoring Circuits K856 PU Stem 1 Extend PRV © 2005 Caterpillar Printed in U.S.A.
Sensor - Squeeze Pressure A-4 20 Switch - Window Limit F-1 A 403 GN Service Meter K857 WH Stem 2 Extend PRV All Rights Reserved
Sensor - Water Separator Level J-12 47 Switch Panel D-2 A 405 GY Engine Oil Switch K858 YL Stem 3 Extend PRV
Machine locations are repeated for components located close together. 410 WH Action Alarm K860 BU Stem 1 Retract PRV
A = Located inside of cab. 412 BU Coolant Level Switch K861 GN Stem 2 Retract PRV
B = Located inside of right console. 430 BU Air Cleaner K862 GY Stem 3 Retract PRV
C = Located inside of left console. 487 OR Capsule Filter K864 PK Variable Relief 1 PRV
Harness And Wire Electrical Schematic Symbols
D = Located around under platform. 491 PK Hyd Oil Temperature K865 PU Variable Relief 2 PRV
E = Located around relay panel. 492 GY Coolant Temperature Sensor K866 WH 1way/2way Change Solenoid
A AA 1 1
F = Located around pilot manifold. 495 GN Analog Sensor Return K868 BR PRV Ret
1 2 2
G =Located around engine. 496 WH Hyd Oil Level K869 BU PRV Ret
C468 BU Engine Oil Level K870 GN PRV Ret Off Machine Switch Specification Typical representation of a Typical representation of a
E472 GN 12V Power Supply K871 WH Unused Part No. Function Actuate Deactuate Contact Position Deutsch connector. The Sure-Seal connector. The
Aux Hyd Pressure Plug Receptacle plug contains all sockets plugand receptacle contain
E473 GY Joystick K872 OR Unused
Hammer Pressure and the receptacle contains both pins and sockets.
E474 OR Joystick LH + PWM K874 BR Variable Relief 1 Check Solenoid
Joystick Pressure 2 all pins.
E475 PK Left Foot Pedal K875 BU Variable Relief 2 Check Solenoid 490 ± 49 kPa 290 kPa
167-3466 Medium Line Pressure N.O.
E476 PU Right Foot Pedal K879 GN Unused

RENR7090-01 Outside
(71 ± 7.1 psi) (42 psi)
Straight Travel Pressure
H465 GN Alarm Cancel IND. K904 GN Pump Discharge (1) Press Sensor
Travel Left Pressure
Pin or Socket
H466 BU AEC Cancel IND K906 GN Option PWM Sensor (1) Number
Travel Right Pressure Wire, Cable, or Harness Component
H467 WH Travel Mode IND K907 BU Swing Break Cancel Solenoid
Assembly Identification Part Number
H473 BR Travel Straight Sw. L968 OR PRV Return (1)
Single Wire
H474 GN Travel Right L969 WH Power Shift Control PRV Connector
H475 BU Travel Left L972 BU One Touch Low Idle
C A A AA 9X-1123
H476 WH Joystick Pressure L973 GN Free Swing Switch
325-PK-14 1 325-PK-14
Accessory Circuits L975 PK Air Heater Control
6
C 501 GN Wiper Control (LOW) L976 GN Water Separator Level Sw Wire
13
24 Pin Socket
11
E 14 506 PU Wiper Control (WA+) M734 BR Travel Mode Sw Color
A 508 PU Speaker Left M736 BU Governor Command
25
509 WH Speaker Left M737 WH Flow Limit Solenoid
40 28 B 511 BR Speaker Right M738 OR Primary NFC Press PRV 2 200-BK-14
512 GN Speaker Right M739 YL PRV Return (2)
38 D
530 OR Wiper Control (WASH) M740 PK Travel Straight Solenoid Circuit Number
39 Wire
19 535 BU Wiper Control Motor M741 GY Alarm Cancel Identification
37
Gauge
29 8
4 7 575 YL Lower Wiper Motor M742 PU AEC Mode Sw
36
16
20 576 PK Lower Wiper Motor M906 BU Option PWM Sw Resistor, Sender and Solenoid Specifications
15 2 47 50
578 BU Lower Washer / Wiper T713 GN Thumb Open Relay Part No. Component Description Resistance (Ohms)¹ Electrical Schematic Symbols And Definitions
G 21
35 7 102-8016 Resistor - Backup 47 ± 2
586 BR Wiper Control Int. (6) T714 BU Thumb Open Relay
55 8
1 27 Stem 1 (A)
34 590 GY Wiper Control Int. (3) T715 WH Thumb Close Relay FUSE - A component in an electrical circuit that will open the circuit if too much current flows
12 17
26
592 BU Converter 12V T716 PK Thumb Close Relay Stem 1 (B) through it.
A513 RD Converter Memory T967 YL Pump Discharge (2) Press Sensor Stem 2 (A)
111-9916 Solenoid - 11.7 ± 1.2
Stem 2 (B) REED SWITCH - A switch whose contacts are controlled by a magnet. A magnet closes the
3
Stem 3 (A)
contacts of a normally open reed switch; it opens the contacts of a normally closed reed switch.
54 44
57
Stem 3 (B)
F 45
58
Relief 1
112-0090 Solenoid - 19.5 ± 2 SENDER - A component that is used with a temperature or pressure gauge. The sender
53 Relief 2
52 Component Identifiers (CID¹) measures the temperature or pressure. Its resistance changes to give an indication to the
Thumb Close T gauge of the temperature or pressure.
Module Identifier (MID²) Thumb Open
Engine/Pump Control Hyd Lock
(MID No. 069) 121-1491 Solenoid - 32 ± 3.2
Straight Travel RELAY (Magnetic Switch) - A relay is an electrical component that is activated by electricity.
CID Component It has a coil that makes an electromagnet when current flows through it. The electromagnet
Swing Brake
91 Throttle Position Signal can open or close the switch part of the relay.
Travel Speed
96 Fuel Level Sensor
110 Engine Coolant Temperature Sensor 171-0188 Solenoid - Flow Limit 11.5 ± 0.5
167 Alternator ¹ At room temperature unless otherwise noted. CIRCUIT BREAKER (C/B) - A component in an electrical circuit that will open the circuit if too
168 Voltage Of The Power Supply (keyswitch) much current flows through it. This does not destroy the circuit breaker and it can be reset to
190 Speed Sensor become part of the circuit again.
286 Signal For Engine Oil Pressure Decrease
291 Fan Motor Proportional Reducing Valve SOLENOID - A solenoid is an electrical component that is activated by electricity. It has a coil
374 Swing Brake Solenoid Valve that makes an electromagnet when current flows through it. The electromagnet can open or
376 Travel Alarm close a valve or move a piece of metal that can do work.
581 Proportional Reducing Valve For The Power Shift Pressure
586 Engine Speed Dial MAGNETIC LATCH SOLENOID - A magnetic latch solenoid is an electrical component that is
587 Feedback Sensor For The Governor Actuator activated by electricity and held latch by a permanent magnet. It has two coils (latch and unlatch)
590 Engine Control that make electromagnet when current flows through them. It also has an internal switch that places
598 Travel Speed Solenoid the latch coil circuit open at the time the coil latches.
8 600 Hydraulic Oil Temperature Sensor
A 21
20
1161 Pump Delivery Pressure Sensor (Drive)
1162 Pump Delivery Pressure Sensor 2 (Idle)
1178 Boom Hold Pressure Sensor

16
15 2 Valve Control
4 37 24
E 55 14 C
Failure Mode Identifiers (FMI)¹
38 (MID No. 06A) FMI No. Failure Description
19 G
17
145 12 V Power Supply 0 Data valid but above normal operational range.
B
47 50 1522 Variable Relief #2 Check Solenoid Valve 1 Data valid but below normal operational range.
12 F
27 34 1523 Variable Relief #1 Check Solenoid Valve
40 7 2 Data erratic, intermittent, or incorrect.
1 54 36 1593 ATT Valve #1 Extension 3 Voltage above normal or shorted high.
26 28 44
39
25
35 1594 ATT Valve #2 Extension 4 Voltage below normal or shorted low.
57 45
52 53 1595 ATT Valve #3 Extension 5 Current below normal or open circuit.
11 13 58 6 3
D 1596 ATT Valve #1 Retraction 6 Current above normal or grounded circuit.
1597 ATT Valve #1 Retraction 7 Mechanical system not responding properly. Related Electrical Service Manuals
1598 ATT Valve #1 Retraction 8 Abnormal frequency, pulse width, or period. Title Form Number
1609 Squeeze Load Pressure Sensor 9 Abnormal update. Engine/Pump Control: RENR3814
1615 1 Way / 2Way Changeover Solenoid Valve 10 Abnormal rate of change.
Starting and Charging: RENR1008
1657 Left Joystick Thumb Wheel 11 Failure mode not identifiable.
12 Bad device or component. Valve Control: RENR3823
1658 Right Joystick Thumb Wheel
1665 Proportional Reducing Valve For Variable Relief Valve #2 13 Out of calibration.
1666 Proportional Reducing Valve For Variable Relief Valve #1 14 Parameter failures.
15 Parameter failures.
¹ The CID is a diagnostic code that indicates which component is faulty.
16 Parameter not available.
² The MID is a diagnostic code that indicates which electronic control module
diagnosed the fault. 17 Module not responding.
18 Sensor supply fault.
19 Condition not met.

Machine Harness Connector And Component Locations 20 Parameter failures.

¹The FMI is a diagnostic code that indicates what type of failure has occurred.
 12 11 10 9 8 7 6 5 4 3 2 1
OPERATOR STATION OPERATOR STATION
AA BB CC L14 L14 L14 L14 GROUND STRAP CONSOLE(LH)
RD-00 L13 L13 L13 L13 7G-1060 UU
RD-00 BK-00 RELAY PANEL RELAY PANEL 576-PK-18 3
C C L22 L22 L22 L22
330-YL 200-BK-18 6 535-BU 1
L12 L12 L12 L12 ATCH JOYSTICK ATCH LOWER
A 308-YL-18 S WH/BU 330-YL 200-BK-18 169-PK-18 5 575-YL-18 4
POSNEG POSNEG BATTERY START CONT BACKUP HEATER L35 L35 L35 L35 177-7712 + WIPER MOTOR
B 235-BK-18 GND BK 200-BK-18 200-BK 169-PK-18 4 200-BK-18 2
L39 L39 L39 L39

200-BK-14
200-BK-14
235-BK-18
235-BK-18
200-BK-18

200-BK-18
200-BK-14
200-BK-14
3T-5760 C RELAY L YL K776-GN-18 200-BK-18 RESISTOR C CONT UNIT ATCH 12V 7A 3 (NOTE K) A S +1 167-7079

200-BK
200-BK
CONN 2 CONN 13 MOTOR
D 893-GN-18 094-2080 P WH/YL 403-GN-18 235-BK-18 102-8016 A770-PK-18 197-4330 CONVERTER 2 E472-GN-18 1 +12V
ET CONN A J J 167-3467 -
E 892-BR-18 R WH/GN 309-GY-18 235-BK-14 200-BK-18 H476-WH-18 1 CONN 26 235-BK-18 2 GND
L20 L20

KEY SW.(START)
FF (NOTE C) GG (NOTE C) HH (NOTE C) DIODE

308-YL-18

308-YL-18
F 309-GY-18 330-YL 308-YL-18 120-YL 1 120-YL 1 24V MEMORY 135-BU 200-BK-14 235-BK-18 235-BK-18 E474-OR-18 3 PWM+

CHECK TERM.
RD-00 RD-00 BK-00 G 330-YL ATCH THUMB ATCH THUMB 121-1022 200-BK-18 200-BK 2 120-YL 2 24V IN 210-BK 200-BK-14 320-RD-18 S D 235-BK-18 235-BK-18 4 COMMON A

KEY SW.(ON)

REGULATOR
C OPEN RELAY CLOSE RELAY C TRAVEL LEFT

INDICATOR
H 308-YL 179-BU 3 200-BK 3 GND C569-YL 200-BK-18 200-BK-18 154-RD 6 235-BK-18 K844-GY-18 5 SWITCH 1 H475-BU-18 1
J GND 2 200-BK 308-YL-18 149-5050 149-5050 HEATER 200-BK 4 4 12V MEMORY 229-BK 200-BK-18 151-GN 5 235-BK-18 K848-WH-18 6 SWITCH 2 235-BK-18 2 PRESS. SW
POSNEG POSNEG ATCH TIMER RELAY (NOTE H) (NOTE H) RELAY UU A D 167-3466

RELAY
OUT 3 189-RD 169-PK-18 135-BU 5 135-BU 5 12V OUT 200-BK 200-BK-14 189-RD 4 K848-WH-18

TEMP.
BATTERY 163-6703 116-0114 MAIN RELAY

GND
IN 4 308-YL 306-GN 210-BK 6 210-BK 6 GND 200-BK 200-BK-14 200-BK-18 PLATFORM CHASSIS 3 K844-GY-18
3T-5760 BOOM LAMP RELAY +B 1 110-RD 403-GN-18 165-4026 C569-YL 7 179-BU 200-BK H475-BU-18 2 E474-OR-18 HORN SW 235-BK-18
(NOTE C) 161-3128 VV VV DD EE 128-2134 A
J 645-RD-18 308-YL-18
235-BK-14
K776-GN-18
C C
229-BK 8
9
120-YL
120-YL
200-BK
200-BK
H474-GN-18
K849-YL-18
L11
235-BK-18
1 E472-GN-18
H474-GN-18 1 TRAVEL RIGHT J
235-BK-18 893-GN-18 10 179-BU 200-BK K852-GN-18 A D D 235-BK-18 2 PRESS. SW

1
2
C C L13 167-3466
616-BU 893-GN-18 892-BR-18 11 320-RD-18 607-PK K851-BU-18 2 200-BK-18 320-RD-18

T713-GN-18
892-BR-18 616-BU C 12 A770-PK-18 124-GN-14 H473-BR-18 1 320-RD-18 200-BK-18

RR
T715-WH-18

PP
KK
T713-GN-18
T714-BU-18

T716-PK-18
Z

101-RD-4
645-RD-18 607-PK 645-RD-18 175-RD-14 235-BK-18 235-BK-18

877-YL-4

L11

L20

L39
L35
308-YL

308-YL
ATCH CONN 25 A
149-RD 616-BU C987-RD-14 12V 7A 615-YL 320-RD-18 308-YL 1

A718-PU-18
A770-PK-18

L975-PK-18

403-GN-18
403-GN-18
310-PU-18

310-PU-18
200-BK-18

200-BK-18

169-PK-18
169-PK-18

200-BK-18
ATCH HAMMER FOOT SW ATCH

308-YL-18

308-YL-18
308-YL-18
101-RD-6
101-RD-6
112-PU-6
646-RD-18 184-RD 607-PK 154-RD 200-BK-18 954-GN 2 K851-BU-18 1

306-GN
306-GN
308-YL
308-YL
308-YL
200-BK-18
200-BK-18

235-BK-14
200-BK-18
235-BK-18
200-BK-18
200-BK-18
200-BK-18
WATER DIODE 5A FUSE BASE FUSE 607-PK 322-GY 607-PK 607-PK 151-GN 200-BK-18 138-4653 A 235-BK-18 2 MEDIUM LINE

200-BK
SEPARATOR 121-1022 10A 183-1000 5A 141-2759 607-PK A588-GN ATCH 12V 7A 607-PK 189-RD K906-GN-18 (NOTE G) 154-RD A RD-18 NEUTRAL START PRESS. SW
LEVEL SENSOR C 10A 113-8490 L30 L30 CONVERTER A LIMIT SW 167-3466
10A 646-RD-18 309-GY-18 189-RD 105-RD A768-BU-18 151-GN B WH-18
ATCH COOLANT 171-9091 160-PU-18 15A 15A 113-8491 615-YL 172-RD-18 T 167-3467 169-PK-18 A770-PK-18 A769-GY-18 H476-WH-18 1 JOYSTICK 189-RD C BK-18 163-6785
WASHER LOWER WASHER LEVEL SW AIR CLEANER A623-BU-18 15A 30A 124-3548 160-PU 147-PU 179-BU 1 24V MEMORY 105-RD 103-RD 607-PK 235-BK-18 2 PRESS. SW
7T-8890 7T-8890 096-0744 SW 30A 149-RD 189-RD T 179-BU 2 24V IN 646-RD-18 113-OR-18 M736-BU-18 167-3466 200-BK-18 235-BK-18
154-0498 646-RD-18 115-RD 189-RD 1 200-BK 3 GND 123-WH-18 129-BU 105-RD H475-BU-18

L35

L13
L22
L12

L39
GROUND
B B SIGNAL
15A 175-RD-14 A/C BLOWER 115-RD 189-RD 112-PU-6 2 4 12V MEMORY 175-RD-14 645-RD-18 A755-PK-18 H474-GN-18
MOTOR MOTOR C TIMER RELAY C L11 L11 A
607-PK 10A 110-RD 149-RD 189-RD 101-RD-6 3 C569-YL 5 12V OUT 103-RD 646-RD-18 A756-BU-18 K849-YL-18
607-PK 10A 114-RD HORN 110-RD 189-RD 101-RD-6 4 229-BK 6 GND 152-BU 118-GY A757-GY-18 K852-GN-18 K849-YL-18 1 ATCH
+B

CAB LAMP RELAY PANEL L10 L10

10A 115-RD 105-RD 151-GN 5 118-GY 152-BU A758-BR-18 H473-BR-18 E 235-BK-18 2 HAMMER
DOME LAMP/MEMORY ATCH 12V 7A L19 PRESS. SW
160-PU 10A 103-RD C987-RD-14 151-GN 6 124-GN-14 147-PU L972-BU-18 K851-BU-18 E472-GN-18 1
KEY SW CONVERTER L22 167-3466 (NOTE J)
10A 105-RD 184-RD 151-GN 7 129-BU 123-WH-18 K907-BU-18 235-BK-18 235-BK-18 2
CHASSIS LAMP RELAY E/P CONT T 167-3467 L12 L22
10A 184-RD 103-RD 151-GN 8 147-PU 169-PK-18 326-RD E475-PK-18 3 235-BK-18
161-3128 BOOM LAMP A
C
A
B

10A 149-RD 175-RD-14 189-RD 9 120-YL 1 24V MEMORY 113-OR-18 307-OR L969-WH-18 576-PK-18 4
B 15A C987-RD-14 ATCH V CONT 172-RD-18 147-PU 200-BK-18 200-BK-18 10 120-YL 2 24V IN 154-RD 615-YL L968-OR-18 535-BU 5 K852-GN-18 1 ATCH
B B CAB LAMP RELAY 10A 168-RD-10 147-PU 200-BK-18 200-BK-18 11 200-BK 3 GND 308-YL 607-PK 308-YL 308-YL 575-YL-18 (NOTE B) 6 235-BK-18 2 AUX HYD
161-3128 PRODUCT LINK L39 PRESS. SW
5A 172-RD-18 114-RD 147-PU 200-BK-18 310-PU-18 12 4 12V MEMORY 151-GN 607-PK 308-YL T713-GN-18
TT REFUELING PUMP E 167-3466
646-RD-18 30A 168-RD-10 160-PU 646-RD-18 308-YL 310-PU-18 135-BU 5 12V OUT 307-OR 191-WH-14 998-BR-18 T715-WH-18 T715-WH-18
G976-BU-18

PP
506-PU-18

412-BU-18

430-BU-18
200-BK-18

200-BK-18

235-BK-18

235-BK-18

235-BK-18

309-GY-18 646-RD-18 308-YL-18 308-YL 210-BK 6 GND 191-WH-14 A588-GN F889-WH-18 E472-GN-18 1 235-BK-18
578-BU

147-PU

C A
615-YL 152-BU 646-RD-18 169-PK-18 308-YL A588-GN 135-BU F774-WH-18 235-BK-18 2
A/C L22 ATCH
15A 124-GN-14 118-GY 646-RD-18 330-YL 308-YL-18 12V 7A X 2 (NOTE D) 150-OR-18 210-BK F773-OR-18 E476-PU-18 3 H473-BR-18 1
5A 113-OR-18 SW PANEL/RADIO 147-PU 645-RD-18 330-YL 308-YL C569-YL A770-PK-18 576-PK-18 4 235-BK-18 2 STRAIGHT TRAVEL
115-RD 10A 118-GY WIPER/WASHER 169-PK-18 615-YL 306-GN 169-PK-18 H474-GN-18 1 E554-PK-18 229-BK 150-OR-18 535-BU 5 PRESS. SW
LOWER WIPER/WASHER L35 L35 L12 L12 (NOTE B) 167-3466
10A 152-BU 113-OR-18 103-RD 403-GN-18 169-PK-18 H475-BU-18 2 H474-GN-18 150-OR-18 780-PU-18 575-YL-18 6
5A 169-PK-18 BACKUP/MONITOR CONT 124-GN-14 175-RD-14 308-YL A770-PK-18 H476-WH-18 3 H475-BU-18 308-YL 235-BK-18 615-YL 235-BK-18

L10
HORN RELAY 10A 129-BU CIGAR LIGHTER 123-WH-18 152-BU 169-PK-18 A718-PU-18 K849-YL-18 4 H476-WH-18 308-YL A537-PK-18 200-BK-14 CONN 30
H 161-3128 10A 160-PU CHASSIS LAMP 120-YL 118-GY A770-PK-18 L975-PK-18 E474-OR-18 K852-GN-18 5 K849-YL-18 E554-PK-18 307-OR 200-BK-14 CONSOLE(RH) H
320-RD-18 5A 123-WH-18 SEAT HEATER 179-BU 105-RD 308-YL 200-BK-18 K844-GY-18 L972-BU-18 6 K852-GN-18 H475-BU-18 169-PK-18 607-PK
12V 7A CONVERTER 1 L13 ATCH SEAT WITH
10A 120-YL 129-BU 113-OR-18 A718-PU-18 403-GN-18 K848-WH-18 M736-BU-18 7 L972-BU-18 H474-GN-18 169-PK-18 103-RD
C 12V 7A CONVERTER 2 SEAT HEATER
322-GY 10A 179-BU 191-WH-14 124-GN-14 L975-PK-18 403-GN-18 235-BK-18 K906-GN-18 8 M736-BU-18 H476-WH-18 307-OR 113-OR-18
ATCH 10A 147-PU ATT SOL 150-OR-18 123-WH-18 403-GN-18 306-GN E472-GN-18 A768-BU-18 9 F774-WH-18 K849-YL-18 A537-PK-18 893-GN-18 164-0505

F889-WH-18

F774-WH-18
L969-WH-18

M736-BU-18
K906-GN-18

E472-GN-18

K843-GN-18
A769-GY-18

A757-GY-18

F773-OR-18

E473-GY-18
A768-BU-18

K907-BU-18

L968-OR-18

A756-BU-18

A758-BR-18

K847-PU-18
A537-PK-18

A770-PK-18

A755-PK-18

L972-BU-18
150-OR-18
780-PU-18

998-BR-18
QUICK COUPLER

169-PK-18
200-BK-18
235-BK-18
HAMMER PRESS. SW 5A 150-OR-18 114-RD 120-YL 306-GN E472-GN-18 A769-GY-18 10 F773-OR-18 K852-GN-18 147-PU 129-BU

307-OR
105-RD

326-RD

607-PK
308-YL
167-3466 114-RD 15A 191-WH-14 POWER WINDOW 200-BK-18 179-BU E472-GN-18 308-YL 11 A755-PK-18 K906-GN-18 615-YL 892-BR-18 E
ATCH (NOTE G) 5A 309-GY-18 ALT REGULATOR 320-RD-18 129-BU E472-GN-18 F774-WH-18 12 A756-BU-18 A768-BU-18 607-PK M734-BR-18 A537-PK-18 1
HAMMER SOL CONN19
5A 322-GY 320-RD-18 E472-GN-18 F773-OR-18 13 A757-GY-18 A769-GY-18 103-RD 645-RD-18 200-BK-18 2
121-6303 HYD LOCK SOL RELAY AUX CKT L21 L22 PLUG AS.
10A 180-GN A588-GN 154-RD 235-BK-18 A755-PK-18 14 A758-BR-18 M736-BU-18 113-OR-18 M741-GY-18

235-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
200-BK-18
200-BK-18
200-BK-18
(NOTE G) 161-3128 5A A588-GN 307-OR E475-PK-18 A756-BU-18 15 M741-GY-18 A755-PK-18 893-GN-18 H465-GN-18 186-4574 UU
200-BK-18 10A 189-RD 191-WH-14 235-BK-18 A757-GY-18 16 M742-PU-18 A756-BU-18 129-BU M742-PU-18 A A A A S
10A 151-GN A588-GN E476-PU-18 A758-BR-18 17 M734-BR-18 A757-GY-18 892-BR-18 403-GN-18 CONN 18 E ONE TOUCH

A770-PK-18
191-WH-14

123-WH-18
C

10
11
12
3
4
5
6
7
8
9
2

2
150-OR-18

113-OR-18
124-GN-14

1
168-RD-10

645-RD-18

175-RD-14

320-RD-18

646-RD-18

10
11
12
169-PK-18
A588-GN
LOW IDLE SW

2
1
A588-GN 15A 200-BK-18 607-PK E472-GN-18 K907-BU-18 18 A758-BR-18 M734-BR-18 410-WH-18 235-BK-18

151-GN
307-OR
105-RD
189-RD

103-RD

118-GY

154-RD

8
9
152-BU

147-PU

179-BU
129-BU

7
1
2

1
2
3
4
5
6

1
2
3
4

1
2
3
4
607-PK

615-YL

120-YL

308-YL
RR L12 YY
A588-GN 306-GN 150-OR-18 K847-PU-18 L969-WH-18 19 H465-GN-18 L972-BU-18 645-RD-18 H466-BU-18 CONN 31 E L972-BU-18 128-2134

L19

L39
K776-GN-18

C987-RD-14

A718-PU-18
L975-PK-18
893-GN-18

403-GN-18
309-GY-18
172-RD-18
892-BR-18
235-BK-14

A588-GN
307-OR 168-RD-10 306-GN K843-GN-18 L968-OR-18 20 H466-BU-18 K907-BU-18 M741-GY-18 H467-WH-18 E E E

151-GN
2

2
1

184-RD
322-GY

189-RD
616-BU

147-PU
607-PK
DIODE

308-YL
L18 CONN 20 ATCH JOYSTICK
189-RD 154-RD 330-YL 121-1022 E473-GY-18 410-WH-18 21 H467-WH-18 326-RD H465-GN-18 646-RD-18
Z Z 151-GN 506-PU-18 22 F889-WH-18 L969-WH-18 M742-PU-18 506-PU-18 177-7711
C L9 L9 L6
578-BU 23 L968-OR-18 403-GN-18 118-GY CONN 22 E (NOTE K)

L42
306-GN 1 M741-GY-18 24 F774-WH-18 410-WH-18 169-PK-18 E472-GN-18 1 +12V

150-OR-18
780-PU-18
NEUTRAL START RELAY 330-YL 2 H465-GN-18 25 K871-WH-18 F773-OR-18 H466-BU-18 169-PK-18 235-BK-18 2 GND
K849-YL-18
200-BK-18

235-BK-18

161-3128 112-PU-6 112-PU-6 112-PU-6 M742-PU-18 26 K872-OR-18 893-GN-18 H467-WH-18 169-PK-18 E473-GY-18 3 PWM+
954-GN

C
200-BK-18 H466-BU-18 27 K879-GN-18 892-BR-18 646-RD-18 169-PK-18 235-BK-18 4 COMMON

F774-WH-18
M736-BU-18

L969-WH-18

K906-GN-18

E472-GN-18

K843-GN-18
F773-OR-18

A769-GY-18

A757-GY-18

E473-GY-18
K907-BU-18

L968-OR-18

A768-BU-18

A756-BU-18

A758-BR-18

K847-PU-18
A770-PK-18

A755-PK-18

A537-PK-18
L972-BU-18
MM NN

169-PK-18

235-BK-18

235-BK-18

235-BK-18
200-BK-18

235-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
200-BK-18
101-RD-6 101-RD-6 101-RD-6 109-RD-8 M734-BR-18 28 L973-GN-18 M734-BR-18 506-PU-18 578-BU K843-GN-18 5 SWITCH 1

307-OR
326-RD

105-RD

607-PK
308-YL
C
306-GN H467-WH-18 29 780-PU-18 M741-GY-18 169-PK-18 152-BU K847-PU-18 6 SWITCH 2
CONN 1 304-WH-8 403-GN-18 30 326-RD H465-GN-18 578-BU 135-BU
893-GN-18 31 H473-BR-18 M742-PU-18 152-BU 210-BK
ATCH TT LL START RELAY E
307-OR 101-RD-6 60A 109-RD-6 109-RD-6 892-BR-18 32 235-BK-18 403-GN-18 135-BU C569-YL
PRODUCT LINK 154-RD 125-1302 E554-PK-18 33 K851-BU-18 410-WH-18 210-BK 229-BK 607-PK L. CHASSIS IND UNIT
L973-GN-18 34 H466-BU-18 C569-YL 147-PU 200-BK-18 GND 163-6702
ALT BREAKER 780-PU-18 35 H467-WH-18 229-BK 123-WH-18
DISCONNECT SW. 171-2208 235-BK-18 36 998-BR-18 998-BR-18 123-WH-18 307-OR THROTTLE
1
2
3
4
5
6

7N-0718 H473-BR-18 37 F889-WH-18 307-OR 307-OR POS SW

7N-0719(NOTE C) 2 1 E E 106-0107
K851-BU-18 38 506-PU-18 310-PU 307-OR 169-PK-18 F773-OR-18

T715-WH-18
K776-GN-18

C987-RD-14

T713-GN-18
A718-PU-18
G

A770-PK-18

T714-BU-18
G

123-WH-18

191-WH-14

T716-PK-18
L975-PK-18
124-GN-14

113-OR-18

150-OR-18

403-GN-18

893-GN-18
320-RD-18

645-RD-18

175-RD-14

646-RD-18

168-RD-10

309-GY-18

172-RD-18
304-WH-8

892-BR-18
169-PK-18

235-BK-14
A588-GN

A588-GN
E

101-RD-6
101-RD-4
109-RD-6
109-RD-8
39 578-BU 586-BR-18 307-OR F774-WH-18 235-BK-18 1 COM

877-YL-4
151-GN

307-OR

151-GN
189-RD

105-RD

154-RD

103-RD

118-GY

184-RD

322-GY

189-RD
152-BU

129-BU

179-BU

147-PU

616-BU

147-PU
607-PK

607-PK
615-YL

308-YL

120-YL

308-YL

308-YL

308-YL
308-YL
3
40 892-BR-18 310-PU 118-GY 310-PU A755-PK-18 2 S1
G976-BU-18
K849-YL-18

403-GN-18
893-GN-18
172-RD-18
506-PU-18

412-BU-18

430-BU-18

892-BR-18
200-BK-18
235-BK-18

200-BK-18
200-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18

235-BK-18

235-BK-18

41 893-GN-18 586-BR-18 200-BK-14 586-BR-18 169-PK-18 A756-BU-18 3 S2

954-GN

147-PU

578-BU

200-BK
200-BK

308-YL

CC
42 K906-GN-18 L973-GN-18 200-BK-14 A537-PK-18 169-PK-18 A757-GY-18 4 S3
GROUND STRAP 1 2

MM
CONN 8 43 A768-BU-18 780-PU-18 124-GN-14 L973-GN-18 K906-GN-18 A758-BR-18 5 S4

DD

NN
KK
EE
LL
3

C
HH (NOTE C) 167-3583 CONN 3 C C C C C C VV 44 A769-GY-18 K871-WH-18 175-RD-14 191-WH-14 K907-BU-18 6
45 308-YL K872-OR-18 E554-PK-18 A588-GN A770-PK-18 BACKUP KEY SW

C
4 5

A
B

A
B

A
B
10
11
12

10
11
12
3
4
5
6
7
8
9

3
4

3
4
5
6
7
8
9
2

2
1

1
10
11
12
46 K907-BU-18 K879-GN-18 607-PK K871-WH-18 A768-BU-18 GOV SW CONN 33 9G-7641

1
2
3
4
5
6
7
8
9

1
2
3
4
5
6

2
4
1
3
A A A B B S Z VV 6 163-6711 E G
47 L969-WH-18 H473-BR-18 200-BK-14 K872-OR-18 L969-WH-18
B B B B B UU 48 L968-OR-18 K851-BU-18 200-BK-14 K879-GN-18 M736-BU-18 308-YL R
L40

7 8 BACKUP
CONN 9 49 410-WH-18 235-BK-18 L973-GN-18 235-BK-18 235-BK-18
9 EPR VALVE SW C OFF
BLOCK 50 506-PU-18 235-BK-18 191-WH-14 200-BK-14 326-RD

L19

L28

L29

L35

L21
CONN 4 CONN 5 CONN 6 CONN 7
CHASSIS 121-1023 51 578-BU 235-BK-18 A588-GN 200-BK-14 235-BK-18 163-6710 307-OR S ON
L36

L34

L40

L38

L39
L29 L29 L29
308-YL 52 403-GN-18 235-BK-18 K871-WH-18 124-GN-14
10 11
A769-GY-18 105-RD B ST

L19

L18

L39
L35 12 E
954-GN 954-GN 954-GN 53 310-PU K872-OR-18 175-RD-14 L968-OR-18
L21 L21 L21 L21 E
54 586-BR-18 235-BK-18 K879-GN-18 E554-PK-18

L42
L19 L19 L19 L19

L8

L6
K849-YL-18 K849-YL-18 B A 235-BK-18 235-BK-18 607-PK
CONN 14
L28 L28 L28 L28

L42
L8

L6
R 1 124-GN-14 CAB
L36

L34

L40

L18 L18 L18 L18 L18 L18 L18 A/C UNIT B 2 200-BK-14
L38 L38 L38 L39 L39 L39 161-3779 JJ JJ
R/L 3 175-RD-14
L8 L8 L3 F L L
G 4 E554-PK-18 200-BK 615-YL 615-YL RD-18

PUMP DISCHARGE(1) PRESS SENSOR

PUMP DISCHARGE(2) PRESS SENSOR

ATCH

FUEL SECONDARY FILTER PLUGGED

BR 5 607-PK 200-BK 200-BK 200-BK WH-18
HEATER UNIT B 6 200-BK-14 615-YL

CREEPER TRAVEL FUNCTION SW

FUEL PRIMARY FILTER PLUGGED

HEATER RELAY/STARTER RELAY
185-8291 A 615-YL ATCH ATCH CAB

OVER LOAD ALARM CANCEL SW

WATER SEPARATOR LEVEL SW

L7 L7 F F CAB LAMP GUARD LAMP

TRAVEL STRAIGHT PRESS SW

A584-BU-18 A584-BU-18
H476-WH-18

H467-WH-18

L29
L21

L38
F774-WH-18

M741-GY-18
H474-GN-18

M736-BU-18
M736-BU-18
M736-BU-18
M736-BU-18
M736-BU-18

L969-WH-18

H465-GN-18
M742-PU-18

M734-BR-18
G976-BU-18

K776-GN-18

K852-GN-18

K906-GN-18

POWER SHIFT CONTROL PRV

H475-BU-18

A769-GY-18

F773-OR-18

A757-GY-18

H466-BU-18

H473-BR-18

TRAVEL SPEED CHANGE SOL

A718-PU-18

K851-BU-18

A768-BU-18

L973-GN-18
L973-GN-18
L973-GN-18
L973-GN-18

A756-BU-18

A758-BR-18
K907-BU-18

L968-OR-18

ATCH STEM2 SWING CANCEL

ATCH STEM1 SWING CANCEL

ATCH STEM3 SWING CANCEL

ATCH STEM4 SWING CANCEL
A755-PK-18

E554-PK-18
410-WH-18
L972-BU-18
L975-PK-18

K849-YL-18
403-GN-18

893-GN-18

403-GN-18

893-GN-18
893-GN-18
893-GN-18
893-GN-18
893-GN-18
893-GN-18

893-GN-18

403-GN-18
172-RD-18
172-RD-18

168-RD-10

309-GY-18
304-WH-8
506-PU-18

412-BU-18
430-BU-18

892-BR-18

892-BR-18
892-BR-18
892-BR-18
892-BR-18
892-BR-18
892-BR-18
892-BR-18

780-PU-18

506-PU-18

TRAVEL ALARM CANCEL IND

235-BK-18
235-BK-18

235-BK-18

235-BK-14

235-BK-18
A588-GN

167-3441 183-1035

TRAVEL ALARM CANCEL SW

101-RD-4

109-RD-6

SWING BRAKE CANCEL SOL

200-BK-18
877-YL-4

CAPSULE FILTER PLUGGED

189-RD

184-RD

322-GY

FAN MOTOR CONTROL PRV

578-BU

147-PU

616-BU

147-PU

578-BU
200-BK

607-PK
308-YL

308-YL

SPECIAL FILTER PLUGGED

ANALOG SENSOR RETURN

AIR HEATER CONTROLLER

L6 L6 L6

ONE TOUCH LOW IDLE SW

PRIMARY NFC PRESS PRV

TRAVEL RIGHT PRESS SW

200-BK-18 (NOTE A)

COOLANT TEMP SENSOR

O.L.W.D. PRESS SENSOR

OPTION VOLTAGE SW (1)

TRAVEL LEFT PRESS SW

AIR CLEANER PLUGGED

FLOW LIMIT PRESS PRV
JJ JJ

HYD OIL TEMP SENSOR

TRAVEL STRAIGHT SOL

GOVERNOR FEEDBACK

GOVERNOR COMMAND
OPTION CONTROL PRV
OPTION CONTROL PRV

THROTTLE POSITION 1
THROTTLE POSITION 2

THROTTLE POSITION 3
THROTTLE POSITION 4
ALTERNATOR R TERM.
L42 WINDOW LIMIT SW F L L

JOYSTICK PRESS SW
615-YL 615-YL RD-18

COOLANT LEVEL SW

ENG OIL PRESS SW

AUTO LUB FAILURE
CONN 15 CONN 16 CONN 17 117-6306

SPEED SENSOR (+)

ENG OIL LEVEL SW

OPTION PWM IN (1)

HYD OIL LEVEL SW

200-BK 200-BK WH-18

TRAVEL MODE IND

SPEED SENSOR (-)

TRAVEL MODE SW

CAT DATA LINK (+)

CAT DATA LINK (-)

SWITCH RETURN
FREE SWING SW

PRV RETURN (1)

PRV RETURN (2)
PRV RETURN (3)
PRV RETURN (4)
FINE SWING SW
TRAVEL ALARM
AEC MODE IND
ATCH ATCH CAB

AEC MODE SW
FAULT ALARM

+12V SUPPLY
SENSOR RET
F CAB LAMP GUARD LAMP F

BACKUP SW
FUEL LEVEL

OPTION SW
OPTION SW

KEY SW ON
L43 CONN 29 MONITOR 167-3441 183-1035

H467-WH-18

K871-WH-18
M741-GY-18
H465-GN-18
M742-PU-18

M734-BR-18

K872-OR-18
K879-GN-18
H466-BU-18

L973-GN-18
A537-PK-18
410-WH-18

191-WH-14

123-WH-18
403-GN-18

893-GN-18

113-OR-18

150-OR-18
645-RD-18

646-RD-18
506-PU-18

892-BR-18

586-BR-18

780-PU-18
235-BK-18

169-PK-18

200-BK-14

200-BK-14

576-PK-18
A588-GN
F H H 157-3198 (NOTE A)

575-YL-18

C569-YL

307-OR
103-RD

118-GY
578-BU
535-BU
152-BU
129-BU

310-PU

147-PU

135-BU
229-BK

607-PK

210-BK
615-YL
200-BK 201-BK-18 1 103-RD-18 1 +B

GND

GND
L27
200-BK 169-PK-18 2 201-BK-18 2 GND

+B

+B
200-BK-18 103-RD 3 169-PK-18 3 ACC
CONN 21 200-BK 893-GN-18 4 4 +12V
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
A A A YY
1
2
3
4
5
6
7
8
9

1
2
3
4
5
6
7
8
9
200-BK 892-BR-18 5 893-GN-18 5 CDL +
200-BK 607-PK 6 892-BR-18 6 CDL -

10
11
12

10
11
12
13
14
15
16
17
18

10
11
12
13
14
15
16
17
18
19
20
21
3
4
5
6
7
8
9

3
4
5
6
7
8
9

3
4
5
6
7
8
9
2

2
1

1
B CAB 200-BK C538-OR-18 7 607-PK-18 7 LIGHT
M737-WH-18

200-BK-18 C537-GN-18 8 8
H476-WH-18

H467-WH-18
M738-OR-18

F774-WH-18

M741-GY-18
M736-BU-18

M736-BU-18
M736-BU-18

H474-GN-18

L969-WH-18

H465-GN-18
M742-PU-18

M734-BR-18
M740-PK-18

K904-GN-18

K906-GN-18

K776-GN-18

K852-GN-18

G976-BU-18
C468-BU-18

A769-GY-18

F773-OR-18

H475-BU-18

A757-GY-18

H466-BU-18

H473-BR-18
M739-YL-18
A762-PU-18

A761-PU-18

A718-PU-18

A768-BU-18

L973-GN-18

L973-GN-18

K851-BU-18

A756-BU-18

A758-BR-18
K907-BU-18

L968-OR-18
E554-PK-18

A755-PK-18

410-WH-18
L972-BU-18
L975-PK-18

K849-YL-18

K849-YL-18
T967-YL-18

403-GN-18
403-GN-18
403-GN-18
403-GN-18

893-GN-18
893-GN-18
309-GY-18

168-RD-10
304-WH-8
780-PU-18
321-BR-18

763-BU-18

496-WH-18

780-PU-18

892-BR-18
892-BR-18
412-BU-18
430-BU-18
235-BK-18
235-BK-18
235-BK-14

235-BK-18
235-BK-18
A588-GN

F F F XX
495-GN-18

487-OR-18

101-RD-4

109-RD-6
492-GY-18

405-GY-18

M737-WH-18
491-PK-18

200-BK 152-BU
H467-WH-18

H476-WH-18
877-YL-4
788-YL-18

M738-OR-18
189-RD

322-GY

184-RD

M741-GY-18
147-PU
147-PU

616-BU

496-WH-18
L969-WH-18

H465-GN-18

M736-BU-18

M736-BU-18

M742-PU-18

M734-BR-18

H474-GN-18
235-BK

200-BK

607-PK

M740-PK-18

K904-GN-18

K852-GN-18
G976-BU-18
A757-GY-18
H466-BU-18

H475-BU-18

C468-BU-18

H473-BR-18
308-YL
308-YL
308-YL
308-YL
308-YL
308-YL

495-GN-18

403-GN-18

487-OR-18
K907-BU-18

L973-GN-18

L968-OR-18
M739-YL-18

A762-PU-18

A761-PU-18

A756-BU-18

K850-BR-18

A758-BR-18

K851-BU-18
492-GY-18

405-GY-18
A755-PK-18
410-WH-18

412-BU-18

430-BU-18
L972-BU-18
491-PK-18

L975-PK-18

K849-YL-18
K849-YL-18
K849-YL-18
K849-YL-18
T967-YL-18
788-YL-18

893-GN-18
763-BU-18

321-BR-18

780-PU-18

892-BR-18
ATCH SPEAKER (R) 200-BK-14 535-BU

184-RD

184-RD
235-BK

235-BK

308-YL
7Y-5505 200-BK-14 200-BK A/C PHOTO

L43

200-BK-14

200-BK-18
F 200-BK A581-GN SENSOR

200-BK
200-BK

200-BK
200-BK
511-BR-18 200-BK-18 A582-PU 167-7083
512-GN-18 A584-BU-18 201-BK-18 A580-BR Y/G
103-RD 235-BK-18 A579-OR F
615-YL 169-PK-18 A579-OR C538-OR-18

H467-WH-18
M741-GY-18
H465-GN-18
M742-PU-18

M734-BR-18
H466-BU-18
A584-BU-18

A537-PK-18
509-WH-18

123-WH-18

410-WH-18

C569-YL-14
512-GN-18

113-OR-18
113-OR-18
113-OR-18
113-OR-18

403-GN-18

893-GN-18
K871-WH

646-RD-18
645-RD-18
508-PU-18

511-BR-18

506-PU-18

892-BR-18

135-BU-14
201-BK-18

607-PK-18

200-BK-14

200-BK-14

576-PK-18

169-PK-18

200-BK-14

210-BK-14

229-BK-14

235-BK-18
K872-OR
K879-GN
ATCH SPEAKER (L)

575-YL-18

L973-GN
508-PU-18 103-RD A580-BR C537-GN-18

307-OR
103-RD

103-RD
103-RD
103-RD
103-RD
103-RD

118-GY
129-BU

310-PU
586-BR
147-PU

578-BU
152-BU

535-BU
535-BU
535-BU
535-BU
200-BK

607-PK
607-PK

607-PK

607-PK
615-YL
615-YL
ENG/PUMP CONT 7Y-5505 509-WH-18 893-GN-18 A582-PU Y/W
L26

L27

L38

157-3165 F 511-BR-18 892-BR-18 A581-GN

F
508-PU-18 512-GN-18 607-PK A584-BU-18
509-WH-18 200-BK-14 CAB 152-BU 506-PU-18
F F ATCH UNDER
M737-WH-18

200-BK-14 535-BU 118-GY 152-BU

H467-WH-18

H476-WH-18
M738-OR-18

M741-GY-18
496-WH-18

L969-WH-18

H465-GN-18

M736-BU-18
M736-BU-18

M742-PU-18

M734-BR-18

H474-GN-18
M740-PK-18

K904-GN-18

K852-GN-18
K852-GN-18
K852-GN-18
K852-GN-18

G976-BU-18

K852-GN-18

K852-GN-18
C468-BU-18

H466-BU-18

A757-GY-18

H475-BU-18

H473-BR-18
495-GN-18
403-GN-18

487-OR-18

893-GN-18

893-GN-18
M739-YL-18
A762-PU-18

A761-PU-18

K851-BU-18
K851-BU-18
K851-BU-18

K850-BR-18

L973-GN-18

K907-BU-18

L968-OR-18

K851-BU-18

A756-BU-18

A758-BR-18

K850-BR-18
K851-BU-18
492-GY-18

405-GY-18

A755-PK-18
410-WH-18

430-BU-18
412-BU-18

892-BR-18

892-BR-18
L972-BU-18
491-PK-18

L975-PK-18
K849-YL-18

K849-YL-18

K849-YL-18
T967-YL-18
788-YL-18

893-GN-18
780-PU-18

763-BU-18

321-BR-18

892-BR-18
200-BK A584-BU-18 200-BK WINDOW LIMIT SW

184-RD
184-RD
184-RD
184-RD
235-BK
235-BK
235-BK
235-BK

308-YL
L27 129-6466
M737-WH-18

200-BK 506-PU-18 410-WH-18 535-BU

M738-OR-18
F774-WH-18

M736-BU-18
K906-GN-18

M740-PK-18

K776-GN-18

K904-GN-18
C468-BU-18

F773-OR-18

A769-GY-18
L973-GN-18

A762-PU-18

A761-PU-18

A718-PU-18

M739-YL-18

A768-BU-18
E554-PK-18

T967-YL-18
403-GN-18
403-GN-18
403-GN-18
403-GN-18
403-GN-18
403-GN-18

309-GY-18

168-RD-10
304-WH-8
763-BU-18

496-WH-18

321-BR-18

780-PU-18
780-PU-18
780-PU-18
780-PU-18
200-BK-18
200-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
200-BK-18
200-BK-18
235-BK-14
235-BK-18
235-BK-18
235-BK-18

235-BK-18
235-BK-18

235-BK-18
A588-GN

DOME LAMP
495-GN-18

487-OR-18
101-RD-4

109-RD-6
492-GY-18

405-GY-18

491-PK-18

200-BK-18 118-GY 235-BK-18

877-YL-4
788-YL-18

189-RD

322-GY
616-BU

147-PU
147-PU
147-PU
147-PU
147-PU
147-PU
235-BK

200-BK

607-PK
308-YL

L26 176-1986 L5
410-WH-18 403-GN-18
F 403-GN-18 200-BK-18
103-RD 129-BU 129-BU
200-BK 646-RD-18 200-BK
CONN 10 645-RD-18 530-OR-18
B F MOTOR WIPER
M734-BR-18 590-GY-18

L26
L36

200-BK-18

200-BK-14

201-BK-18
MOTOR
E M742-PU-18 A586-OR-18 E

200-BK
200-BK

200-BK
1
2
3
4
5
6

1
2
3
4
5
6

1
2
3
4
5
6
200-BK 113-OR-18 501-GN-18 A579-OR 189-3424

H467-WH-18
L33

L31

M741-GY-18
H465-GN-18
M742-PU-18

M734-BR-18
H466-BU-18

A584-BU-18
A537-PK-18
509-WH-18

123-WH-18

410-WH-18
C569-YL-14
L27

512-GN-18

113-OR-18

113-OR-18

403-GN-18

893-GN-18
K871-WH

646-RD-18
645-RD-18
135-BU-14

508-PU-18
511-BR-18

535-BU-18
535-BU-18

506-PU-18

892-BR-18
210-BK-14

229-BK-14

200-BK-18

607-PK-18

200-BK-18
200-BK-18
607-PK-18
607-PK-18
200-BK-18
200-BK-18

576-PK-18

200-BK-18

200-BK-14
169-PK-18

201-BK-18

235-BK-18
K872-OR
K879-GN

575-YL-18
L973-GN
200-BK M741-GY-18 501-GN-18 A580-BR

307-OR
103-RD

118-GY

103-RD
310-PU
586-BR
147-PU
147-PU
147-PU
147-PU
147-PU
147-PU

578-BU

535-BU
535-BU
535-BU

129-BU

152-BU
607-PK

607-PK

200-BK
L29 Z S UU 200-BK H467-WH-18 A586-OR-18 A581-GN
200-BK H466-BU-18 590-GY-18 A582-PU
L32 L21
K849-YL-18 K849-YL-18 200-BK-18 H465-GN-18 530-OR-18 200-BK
L36 L25 L25
A584-BU-18 C538-OR-18 646-RD-18
L23 L23 F CONN 28
K849-YL-18 K849-YL-18 200-BK C537-GN-18 645-RD-18
L3 XX WW WW
615-YL CAB M734-BR-18
L5 L5 L43 ATCH QUICK
615-YL M742-PU-18 150-OR-18

PUMP1 NEG CONT PRESS. SENSOR

PUMP2 NEG CONT PRESS. SENSOR

TRAVEL SPEED 235-BK-14 615-YL 113-OR-18 780-PU-18 COUPLER SW

SEPARATE LOAD PRESS. SENSOR

SOL L4 L4 7N-2353
235-BK-18 615-YL M741-GY-18

RIGHT JOYSTICK THUMBWHEEL

VARIABLE RELIEF 1 CHECK SOL
VARIABLE RELIEF 2 CHECK SOL
121-1491

LEFT JOYSTICK THUMBWHEEL

235-BK-18 H467-WH-18
B 235-BK-18 H466-BU-18

ATT STEM 1 RETRACT PRV

ATT STEM 4 RETRACT PRV

ATT STEM 3 RETRACT PRV

ATT STEM 2 RETRACT PRV

1WAY/2WAY CHANGE SOL

PUMP1 NFC REDUCE PRV

PUMP2 NFC REDUCE PRV
OPTION PWM SENSOR (1)
763-BU-18 1 235-BK-18 H465-GN-18

ATT STEM 3 EXTEND PRV

ATT STEM 2 EXTEND PRV

ATT STEM 1 EXTEND PRV

ATT STEM 4 EXTEND PRV

VARIABLE RELIEF 1 PRV

VARIABLE RELIEF 2 PRV

RENR7090-01

RIGHT JOYSTICK SW (1)

RIGHT JOYSTICK SW (2)

235-BK-18 2 K843-GN-18 200-BK-18

HYD LOCK CANCEL SW

SEPARATE VALVE PRV

LEFT JOYSTICK SW (1)
LEFT JOYSTICK SW (2)

ABBREV COLOR

L7
K844-GY-18

12V POWER SUPPLY

ATT STEM 1 STATUS
ATT STEM 4 STATUS

ATT STEM 3 STATUS

ATT STEM 2 STATUS

L21

RIGHT FOOT PEDAL

L32

L23

L41

K847-PU-18
ATCH TOOL SW (1)
ATCH TOOL SW (2)

ATCH TOOL SW (3)

ATCH TOOL SW (4)

LEFT FOOT PEDAL

SWING L24 RD RED
K848-WH-18

509-WH-18
WH WHITE

512-GN-18

113-OR-18
103-RD-18
508-PU-18
511-BR-18
200-BK-18
200-BK-18
200-BK-18
200-BK-18
200-BK-18
BRAKE SOL
OPTION SW (4)
OPTION SW (3)

OPTION SW (2)
OPTION SW (1)

MASK ENABLE

E472-GN-18
SENSOR RET

OR ORANGE
30 Page, Color 2, DMB

SWITCH RET

121-1491

C560-OR-18
E473-GY-18
RS-232 GND

H467-WH-18
C566-PK-18

M741-GY-18
509-WH-18

M734-BR-18
M742-PU-18

H465-GN-18
C538-OR-18
C537-GN-18

A586-OR-18

A586-OR-18
H466-BU-18
113-OR-18

512-GN-18

A584-BU-18
A537-PK-18
508-PU-18

123-WH-18

410-WH-18
511-BR-18
C569-YL-14

200-BK-18
CAT LINK +

YL YELLOW

113-OR-18

501-GN-18

530-OR-18

530-OR-18
501-GN-18

403-GN-18
K871-WH

646-RD-18
645-RD-18

590-GY-18

590-GY-18
135-BU-14

535-BU-18

535-BU-18

506-PU-18
CAT LINK -

210-BK-14

229-BK-14

607-PK-18
607-PK-18

200-BK-18
200-BK-18

607-PK-18
607-PK-18

200-BK-18
200-BK-18

607-PK-18
607-PK-18

200-BK-18
200-BK-18

607-PK-18
607-PK-18

200-BK-18
200-BK-18

607-PK-18
607-PK-18

200-BK-18
200-BK-18

607-PK-18
607-PK-18

200-BK-18
200-BK-18

607-PK-18
607-PK-18

200-BK-18
200-BK-18

607-PK-18

576-PK-18
200-BK-18
200-BK-18

200-BK-18

235-BK-18

200-BK-18
K872-OR
K879-GN

A579-OR

A581-GN
B
RS-232 RX

575-YL-18
L973-GN

A580-BR

A582-PU
RS-232 TX

E474-OR-18

307-OR
103-RD

118-GY
147-PU

147-PU

310-PU

586-BR
147-PU

147-PU

578-BU

129-BU
607-PK

200-BK

200-BK
PRV RET
PRV RET
PRV RET
PRV RET
PRV RET

PRV RET
PK PINK
200-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-14
200-BK-18
200-BK-18

235-BK-18

235-BK-18
235-BK-18
235-BK-18
235-BK-18

200-BK-18
235-BK-18
200-BK-10

235-BK-14

KEY SW

SW RET

K906-GN-18 1 E475-PK-18
235-BK

200-BK
200-BK
200-BK
235-BK

BK BLACK
235-BK-18 2 E476-PU-18
GND

GND

GY GRAY
130-RD-14
+B

+B

L29 PU PURPLE
151-GN
L33

L32

L31

HYD LOCK F F F F BR BROWN

308-YL
GN GREEN
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
SOL Z UU F F F F F F F F F F F F
1
2
3
4
5
6
7
8
9

1
2
3
4
5
6
7
8
9

BU BLUE

4
9
3

6
7
CONN 12

10
1
121-1491
L23
L24
L25
L38

10
11
12
13
14
15
16
17
18
19
20

10
11
12
13
1
2
3
4
5
6
7
8
9

1
2
3
4
5
6
7
8
9

1
2
B B S S (NOTE B) (NOTE B) (NOTE B) (NOTE B) + -
A588-GN 1 CHASSIS K F F SYMBOL DESCRIPTION

TRAVEL MODE SW

WASH
K848-WH-18

K866-WH-18

K857-WH-18

AEC MODE SW
ALARM CANCEL SW
509-WH-18
M906-BU-18
K843-GN-18

K852-GN-18

E474-OR-18

K861-GN-18

K870-GN-18

E472-GN-18

GND
K844-GY-18

K862-GY-18

E473-GY-18

A513-RD-18

A513-RD-18
512-GN-18

113-OR-18
K847-PU-18

K874-BR-18
K875-BU-18

K860-BU-18

K865-PU-18
K851-BU-18

K856-PU-18

K850-BR-18

E476-PU-18

K868-BR-18
K869-BU-18

103-RD-18
K864-PK-18

E475-PK-18

508-PU-18

511-BR-18

592-BU-18

592-BU-18
200-BK-18

200-BK-18

W. LOW
K849-YL-18

K858-YL-18

K849-YL-18

AEC MODE IND

ALARM CANCEL IND
893-GN-18

+B
130-RD-14

130-RD-14

892-BR-18

L. BOOM
235-BK-14

235-BK-14

ATCH ATCH

WIPER CUT
TRAVEL MODE IND 1
TRAVEL MODE IND 2
200-BK-18 2
151-GN

L. CHASSIS
308-YL

12V 7A 12V 7A SERVICE BLADE, SPADE, RING,

W. INT (6)
W. INT (3)

W. CCW
OR SCREW TERMINAL

RISE. S
SOCKET SOCKET METER

W. CW

INT (6)

INT (3)
WASH

STOP
121-0987 121-0987 6T-7337

LOW

GND
WA+
ACC

REV
D (NOTE D)
CIGAR
LIGHTER
CIRCUIT CONNECTED D
K K
9W-0335 CIRCUIT NOT CONNECTED

MEM

GND
B U U ATCH

12V
24V
IGN
1
2
3
7

6
8

5
L973-GN-18 1 L973-GN-18 1 FINE SWING ATCH VALVE CONT WIPER CONT ACTION ALARM
SOL 157-3200 A/C SW PANEL 155-7042 132-1829 ELECTRICAL CONNECTION
200-BK-18 2 200-BK-18 2
116-3526 (NOTE K) ATCH FINE 157-3210 TO MACHINE STRUCTURE
TO RADIO ATCH ATCH SEAT ATCH LOWER ATCH LOWER
SWING CONT SW ATCH SWITCH PANEL INTERNAL ELECTRICAL

K848-WH-18

K857-WH-18

K866-WH-18

M906-BU-18
K852-GN-18

E472-GN-18

E474-OR-18
K843-GN-18

K861-GN-18

K870-GN-18
HEATER SW WASHER SW WIPER SW
E473-GY-18

K844-GY-18

K862-GY-18
K850-BR-18
K851-BU-18

K847-PU-18

E476-PU-18

K856-PU-18

K860-BU-18

K868-BR-18
K869-BU-18

K865-PU-18

K874-BR-18
K875-BU-18
E475-PK-18

K864-PK-18
K849-YL-18

K858-YL-18
CONVERTER
893-GN-18

130-RD-14
130-RD-14
130-RD-14
130-RD-14
892-BR-18

235-BK-14
235-BK-14
235-BK-14
235-BK-14
TRAVEL STRAIGHT 163-6722 HEATER SW PANEL 163-6701 CONNECTION TO SURFACE
151-GN

163-6721 163-6719 163-6718

308-YL
308-YL
308-YL
SOL 134-1346 176-2005 OF COMPONENT
121-1491 L3 L3
CONNECTOR
B
GILDING TERMINAL
M740-PK-18 1
235-BK-18 2 OPERATOR STATION OPERATOR STATION ATCH WIRE, CABLE,
L23
L24
L25
L38

COMPONENT
ATCH
L25 L25 ANTENNA L# CIRCUIT GROUPING
L41

L33

L32

L31

L17
L24 L24 167-3492 DESIGNATION

L2 L2 L2 L2 L2 L2 L2
IDENT PART NO. LOC
L23 L23 L23 L23 L23 L23
HARNESS AS.
L17 L17 L17
L38

CONN 27 A 186-4582 G-5

495-GN-18
K849-YL-18 321-BR-18 B N 616-BU N B 204-1863 G-5
B L38 ATCH C 213-0842 G-9
AIH COOLANT T714-BU-18 487-OR-18 616-BU 1 616-BU 616-BU
1 A718-PU-18 T716-PK-18 491-PK-18 200-BK 2 200-BK 200-BK BOOM LAMP D 170-6959 J-2
TEMP SENSOR CONN 11
2 200-BK-18 200-BK-18 496-WH-18 200-BK 153-2521 E 197-4279 H-2
196-7975 T
200-BK-18 Y B A768-BU-18 P (NOTE F) F 163-6787 F-5
L41

200-BK-18 M737-WH-18 A M737-WH-18 A768-BU-18 487-OR-18 A769-GY-18 R G 170-6828 G-1

L41 L41 L41 L16 L16 L16 H 163-6810 F-1
200-BK-18 M738-OR-18 B M738-OR-18 A769-GY-18 491-PK-18 147-PU
235-BK-18 M739-YL-18 C M739-YL-18 147-PU 496-WH-18 147-PU J 167-3457 J-6
M739-YL-18 235-BK-18 147-PU A768-BU-18 K904-GN-18 K 167-3527 D-5
L2 ATCH L 167-3456 F-1
M739-YL-18 235-BK-18 K904-GN-18 A769-GY-18 T967-YL-18 616-BU
L33

L32

L31

C B
M739-YL-18 235-BK-18 T967-YL-18 147-PU M737-WH-18 200-BK BOOM LAMP M 163-6750 C-2 C
235-BK-18 235-BK-18 780-PU-18 147-PU M738-OR-18 153-2521 N 116-0227 C-2
COOLANT TEMP L1 L1 L1 P 4I-5396 C-2 (NOTE F)
A768-BU-18 200-BK-18 K904-GN-18 M739-YL-18 P (NOTE F)
SENDER T R 140-0923 C-2
A769-GY-18 M737-WH-18 T967-YL-18 235-BK R
5I-7578 S 213-0902 D-7 (NOTE K)
M737-WH-18

492-GY-18 147-PU M738-OR-18 780-PU-18 780-PU-18

M738-OR-18
F774-WH-18

M736-BU-18
K776-GN-18

K904-GN-18
F773-OR-18

A769-GY-18
C468-BU-18

A761-PU-18
A718-PU-18

A762-PU-18

A768-BU-18

M739-YL-18
E554-PK-18

496-WH-18

L37 L37
T967-YL-18
403-GN-18

487-OR-18
495-GN-18
492-GY-18
309-GY-18

405-GY-18

168-RD-10
304-WH-8

321-BR-18

780-PU-18
235-BK-18
235-BK-18

491-PK-18
200-BK-10

T 167-3473 J-6 (NOTE D)

788-YL-18
109-RD-6

101-RD-4

147-PU M739-YL-18 200-BK-18 200-BK-18

877-YL-4
189-RD

322-GY
616-BU

147-PU
147-PU
200-BK

200-BK
200-BK
200-BK
235-BK

607-PK
308-YL

K904-GN-18 235-BK M737-WH-18 325-PK-18 CONN 26 U 213-0715 E-12

T967-YL-18 235-BK M738-OR-18 325-PK-18 V 204-1686 B-3
780-PU-18 235-BK-18 M739-YL-18 200-BK B M 322-GY M W 116-0096 A-3
200-BK-18 235-BK-18 235-BK 200-BK 322-GY 1 322-GY HORN X 116-0098 A-3
235-BK-18 235-BK 200-BK 200-BK 2 200-BK 7Y-3919 Y 183-0998 C-6 (NOTE L)
309-GY-18 235-BK-18 235-BK 200-BK-10 200-BK Z 183-1061 G-7 (NOTE G)
K776-GN-18 487-OR-18 235-BK-18 200-BK JJ 170-9295 F-1 (NOTE A)
109-RD-6 491-PK-18 235-BK-18 200-BK UU 204-1953 F-1 (NOTE H)
L2

L B 496-WH-18 495-GN-18 616-BU VV 204-1954 F-1 (NOTE H)

ALTERNATOR B
ALT P 403-GN-18 325-PK-18 780-PU-18 WW 204-1919 E-2
212-8561 RE 321-BR-18 322-GY XX 204-1920 E-2
(50A) M HORN YY 204-1923 F-3
200-BK-6 607-PK 322-GY
200-BK-18 168-RD-10 200-BK 7Y-3920
200-BK-18 616-BU
L16

200-BK CABLE AS.

A718-PU-18 235-BK-18 K858-YL-18 K856-PU-18 322-GY
492-GY-18 235-BK-18 K862-GY-18 K857-WH-18 200-BK AA 204-1685 B-12
235-BK-18 235-BK-18 K857-WH-18 K858-YL-18 607-PK BB 170-6929 J-12
B CHASSIS
CC 163-6775 J-12
M737-WH-18

200-BK-18 235-BK-18 K861-GN-18 K860-BU-18 200-BK 607-PK

M738-OR-18

LAMP
M739-YL-18

M739-YL-18

L15 L15 L15 L15 DD 163-6752 G-8

200-BK-18 235-BK-18 K856-PU-18 K861-GN-18 200-BK-10 200-BK 153-2523
309-GY-18 235-BK-18 K860-BU-18 K862-GY-18 325-PK-18 EE 163-6751 G-8
B K776-GN-18 235-BK-18 K869-BU-18 K868-BR-18 168-RD-10 FF 204-1925 B-12 (NOTE C)
A/C CLUTCH 1 E554-PK-18 109-RD-6 A718-PU-18 K869-BU-18 K869-BU-18 WIRE GROUP COLOR DESCRIPTIONS GG 170-6929 J-12 (NOTE C)
SOL 2 200-BK-18 403-GN-18 492-GY-18 K869-BU-18 308-YL HH 170-9331 J-12 (NOTE C)
176-1895
GROUND CIRCUIT.
200-BK-6 309-GY-18 K869-BU-18
(NOTE E) 200-BK-18 K776-GN-18 Y Y K868-BR-18 308-YL
L17 WIRES THAT HAVE BATTERY VOLTAGE
200-BK-18 109-RD-6 K868-BR-18 308-YL WHEN THE KEY SWITCH IS OFF. WIRE AS.
1

1
2

E554-PK-18 403-GN-18 K868-BR-18 235-BK-18 WIRES THAT HAVE BATTERY VOLTAGE

B 304-WH-8 E554-PK-18 K868-BR-18 235-BK-18 WHEN THE KEY SWITCH IS ON. KK
LL
163-6754
163-6755
G-8
G-8
B
101-RD-4 304-WH-8 K868-BR-18 K866-WH-18 STARTING CIRCUIT.

168-RD-10
200-BK-10

325-PK-18
235-BK-18 101-RD-4 K868-BR-18 K865-PU-18 MM 163-6757 G-8
235-BK-18 405-GY-18 K875-BU-18 START AID CIRCUIT. NN 111-4829 G-8
B (NOTE B) ATCH PP 163-6753 H-11
G S
304-WH-8 405-GY-18 C468-BU-18 K870-GN-18 ENGINE CONTROL CIRCUIT.
101-RD-4 C468-BU-18 308-YL FLOW LIMIT K870-GN-18 RR 163-6780 H-11
STARTER SOL
VALVE CONTROL CIRCUIT. SS 132-1827 A-5
308-YL F774-WH-18 K870-GN-18
MOTOR MTRBAT AA RD-00 171-0188 TURN SIGNAL / WIPER / WASHER CIRCUIT. TT 170-9478 H-11
F774-WH-18 F773-OR-18 K870-GN-18
125-2988 RD-00 F773-OR-18 A761-PU-18 (NOTE L) 308-YL B B HEATER AND AIR CONDITIONER CIRCUIT.
FF (NOTE C) A761-PU-18 189-RD M906-BU-18
MOTOR CONN 22 CONN 23
189-RD M736-BU-18 K874-BR-18

1
2
M736-BU-18 877-YL-4 K864-PK-18 V V
200-BK-18 788-YL-18 235-BK-18
L23
877-YL-4 A762-PU-18 235-BK-18
788-YL-18 200-BK 235-BK-18
A762-PU-18 200-BK 235-BK-18
L37

200-BK-18 THIS SCHEMATIC IS FOR THE 320C EXCAVATOR.

200-BK-6
168-RD-18 COMPONENTS ARE SHOWN INSTALLED ON A FULLY
168-RD-18 OPERABLE MACHINE WITH THE KEY ON AND ENGINE OFF.
B
235-BK-18
ENG OIL SW 365-YL-18 UNLESS OTHERWISE SPECIFIED ALL WIRE IS 16 GAGE
5I-8005 DIODE
K857-WH-18

K866-WH-18

M906-BU-18
K861-GN-18

K904-GN-18

K870-GN-18

K870-GN-18
K862-GY-18

A769-GY-18
K869-BU-18

K869-BU-18

K868-BR-18

K868-BR-18

K860-BU-18
K868-BR-18

K856-PU-18
K868-BR-18

A768-BU-18

K875-BU-18

K865-PU-18

K874-BR-18

K864-PK-18
T714-BU-18

496-WH-18
T716-PK-18

K849-YL-18

K858-YL-18

T967-YL-18

487-OR-18

495-GN-18
780-PU-18

321-BR-18
200-BK-18

200-BK-18

235-BK-18

200-BK-18

235-BK-18

235-BK-18

235-BK-18

491-PK-18
235-BK-18

235-BK-18

235-BK-18

325-PK-18

235-BK-18

235-BK-18

235-BK-18

235-BK-18

235-BK-18
405-GY-18 197-4385 WIRE PAIRS OF 892-BR & 893-GN MUST BE
147-PU

147-PU

308-YL
TWISTED AT LEAST 1 TURN PER 25mm

325-PK-18
GROUND STRAP
132-1806
200-BK-18

NOTE A: USE WITH CAB GUARD LAMP.

200-BK-6
200-BK

B
ENG OIL 2 235-BK-18 AIR HEATER UU UU UU S S S S S S B B B B B B B B S S S S S S NOTE B: NOT USED ON THIS VEHICLE.
LEVEL SW 1 C468-BU-18 168-5057 V V
CONN 32
C

323-WH-10
A
B

A
B

A
B
2
1
1
2

1
2

1
2
1
2

1
2

1
2

1
2

1
2
1

1
2

200-BK-10
1
2

213-0677 NOTE C: USE WITH COLD WEATHER.

1
2

B CONN 24 CONN 25

1
2
877-YL-4 SS

2
1
B X W NOTE D: USE WITH 12V 7A X 2 CONVERTER.

L976-GN-18
L976-GN-18

L976-GN-18
L976-GN-18

323-WH-10
168-RD-18

168-RD-18
168-RD-18

168-RD-18
168-RD-18
168-RD-10
200-BK-18
365-YL-18

365-YL-18

329-YL-18

329-YL-18
329-YL-18
A A

L976-GN-18
168-RD-18
BR-18

BR-18

BR-18
BK-18

BK-18

BK-18

325-PK-18
NOTE E: NOT USE WITH HEATER UNIT.
YL-18

YL-18

YL-18

365-YL-18
ENG CHASSIS
ATCH THUMB ATCH THUMB ATCH STEM 3 ATCH STEM 3 ATCH STEM 2 ATCH STEM 2 ATCH STEM 1 ATCH STEM 1 ATCH QUICK POWER SHIFT
325-PK-18

ATCH RELIEF ATCH RELIEF 2 ATCH 1WAY/2WAY ATCH RELIEF ATCH RELIEF 1 V
RD
BK

B OPEN SOL CLOSE SOL CONT SOL (B) CONT SOL (A) CONT SOL (B) CONT SOL (A) CONT SOL (B) CONT SOL (A) COUPLER SOL CONT SOL CHECK 2 SOL SOL CONT SOL CHECK 1 SOL SOL NOTE F: USE WITH SHORT BOOM.
BK
YL

KEY 6 308-YL 121-1491 121-1491 111-9916 111-9916 111-9916 111-9916 111-9916 111-9916 152-8346 111-9916 215-4890 112-0090 215-4890 215-4890 112-0090
DECEL 5 F774-WH-18 (NOTE H) (NOTE H) ATCH HAMMER (NOTE K) (NOTE K) (NOTE K) (NOTE K) (NOTE K) (NOTE K) (NOTE K) (NOTE K) (NOTE K) (NOTE K) (NOTE K) NOTE G: USE WITH CONFIG.3.
ENG GOV ACCEL 4 F773-OR-18 B PRESS. SW ATCH
GROUND

GROUND

GROUND
ACTUATOR F/B 3 A761-PU-18 788-YL-18 1 WH 167-3466 TRAVEL ALARM NOTE H: USE WITH CONFIG.15.
SIGNAL

SIGNAL

SIGNAL
+B

+B

+B
GROUND

157-3177 (NOTE H) 3E-7738 V

+B 1 189-RD A762-PU-18 2 BK
SIGNAL

ESS 7 M736-BU-18 B SS V V NOTE J: USE WITH CONFIG.5.

ENG SPEED T
GND 2 200-BK-18 - +
GND 8 PICKUP X X W W NOTE K: USE WITH CONFIG.14.
196-7973 PUMP DISCHARGE PUMP DISCHARGE ATCH SQUEEZE ATCH ATCH ATCH
PRESS. SENSOR1 PRESS. SENSOR2 HYD OIL HYD OIL HYD OIL FUEL LEVEL ATCH PRESS. SENSOR ATCH ATCH ATCH REFUELING REFUELING REFUELING NOTE L: USE WITH CONFIG.3 AND 14.
157-3182 157-3182 FILTER SW TEMP SENDER LEVEL SW SENSOR REFUELING SW 157-3182 REFUELING PUMP REFUELING REFUELING START RELAY STOP RELAY POWER RELAY
173-3518 4I-5394 213-0677 163-6700 5C-6108 (NOTE K) 123-3929 STOP SW(NC) START SW(NO) 149-5050 149-5050 165-4026
9X-4184 6T-9442
224-2910 HE00
12 11 10 9 8 7 6 5 4 3 2 1