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Wiring Diagram for CAT Engines

The document is a wiring diagram that shows the wiring connections for various engine warning lamps and modules on a vehicle with a CAT 3406E or C10/C12 engine equipped with an ADEM III controller. It displays the wiring for a 16-way warn lamp module in the cab header and shows how it is connected to warning lamps for stop engine, retarder, check engine, and electronics. It also shows connections from the engine harness to the ADEM III controller and lamps for various engine warnings.

Uploaded by

Gonzalo Galvez
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© © All Rights Reserved
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Available Formats
Download as PDF, TXT or read online on Scribd
100% found this document useful (1 vote)
750 views3 pages

Wiring Diagram for CAT Engines

The document is a wiring diagram that shows the wiring connections for various engine warning lamps and modules on a vehicle with a CAT 3406E or C10/C12 engine equipped with an ADEM III controller. It displays the wiring for a 16-way warn lamp module in the cab header and shows how it is connected to warning lamps for stop engine, retarder, check engine, and electronics. It also shows connections from the engine harness to the ADEM III controller and lamps for various engine warnings.

Uploaded by

Gonzalo Galvez
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Controller, w/CAT 3406E or C10/C12 w/ADEM III P94-1189 A 01

16-WAY WARN
LAMP MODULE
(LOCATED IN
CAB HEADER)

STOP ENG RETARDER BUZZER


WARN LP WARN LP
& BUZZER
CHECK ENG
DIP SW
WARN LP

ELECT RONICS ELECTRONIC


19 ENGINE WARNING
4 CAB ROOF 20 LAMPS
HARNESS

BRN/ORN
CAB

E158WL
WHT/LT GRN
ROOF

L144EF
10
ENGINE HARNESS
CAT ADEM III
HARNESS
CONT ROLLER A/C SEE
ENGINE UNITARY SWTICH
HARNESS EXT (A/C HIGH PRESS SHEET 2
HARN SWITCH (N.C.) 5 ENGINE FAN USAGE NOTE:

BRN/W HT
E159WL
MANUAL A
E144CT OVERRIDE C144EF USE ON BI, BII, BIII CABS WITH CAT 3406E
INPUT #11, A/C PRESS SW 41 WHT ENGINE INSTRUMENT
WHT /LT GRN SWITCH WHT/LT GRN OR C10/C12 ENGINES WITH ADEM III CONTROLLER.
HARNESS PANEL (SHOW N IN AUTO

BLU/LT GRN
HARNESS POSITION)

L95ER
E69CM2
GRA BLK
E144EF E144EF E69CM1 15A
INPUT #7 F AN OVERRIDE SW 46
WHT /LT GRN WHT/LT GRN GRA
E69CM1 CAB
E69CM2
GRA ROOF
C144EF GRA
OUTPUT #5 COOLING FAN 11 HARNESS
WHT /LT GRN
GND_G GND_H
C L144EF L144EF L144EF C144EF
WHT WHT
WHT/LT GRN WHT/LT GRN WHT /LT GRN WHT /LT GRN
ENGINE L95ER
GND_A

HARNESS
WHT

INSTRUMENT KEY SWITCH BLU/LT GRN


11
ENGINE FAN PANEL HARNESS E69CM2 TO AUXILARY
ENGINE FAN "ON" PRESSURE HARNESS CAB GRA RETARDER
SOLENOID, N/O SWITCH (N/O) ROOF CAB E95ER SWIT CH
(DIODE PROTECTED) 13 HARN ROOF BLK/LT GRN
HARNESS
9B 14A
ENGINE
GROUND INSTR
OPTION REQUEST F OR PANEL INST RUMENT
AIR OPERATED FAN CLUTCH HARN PANEL
L95ER1
HARNESS
G148SU G148SU G148SU BLU/LT GRN
T ACHOMETER - 39
BLK/RED BLK/RED BLK/RED P18WL
TO TACH

BLU/LT GRN
G148TC G148TC G148T C LT GRN
T ACHOMETER + 38

L95ER
BLK/RED BLK/RED BLK/RED E69CM2
G150SU G150SU G150SU GRA
SPEEDOMETER - 37
BLU/RED BLU/RED BLU/RED
TO SPEEDO X ENGINE
G150SP G150SP G150SP
SPEEDOMETER + 36 ENGINE RETARDER

E69CM2
BLU/RED BLU/RED BLU/RED

GRA
E159WL E159WL E159WL RETARDER ON/OFF
W ARN LAMP STOP ENGINE 29 SELECTOR SW ITCH
BRN/WHT BRN/WHT BRN/WHT
E158WL E158WL E158WL L95ER1 SWITCH
CHECK ENGINE LAMP 28
BRN/ORN BRN/ORN BRN/ORN BLU/LT GRN
E98ER E98ER E98ER E98ER C E97ER
RET SOL MED/HI SW 40
LT GRN/BLK LT GRN/BLK LT GRN/BLK LT GRN/BLK LT BLU/GRN
E96ER E96ER E96ER
RET SOL LOW /HI SW 23 B A
LT GRN/YEL LT GRN/YEL LT GRN/YEL E96ER
GND_D P18WL P18WL LT GRN/YEL
WHT LT GRN LT GRN E97ER
EATON TOP 2 E95ER LT BLU/GRN USE ON CUMMINS
OUTPUT #7 20 RED
TRANSMISSION ENGINE INSTRUMENT BLK/LT GRN E96ER ISM ENGINES ONLY

BLK/PUR
LT GRN/YEL

CSP6
YEL (OPTIONAL) HARNESS PANEL
OUTPUT #6 19 YEL INSTRUMENT SWITCH
HARNESS E95ER

E69CM1
ENGINE PANEL PANEL

GRA
BLK/LT GRN USE ON CUMMINS
HARNESS HARNESS HARNESS E98ER ISX ENGINES ONLY
9A 12 LT GRN/BLK

E69CM 14B 18
GRA

P18WL
LT GRN

LT GRN
P18WL
E69CM E69CM 6202
T HROTTLE SW SENSOR COM 5 ELEC ENGINE E69CM1
GRA GRA BLK
GRA
E206LC 6793 SPARE CKTS
COOLANT LEVEL NORM 49 LOW COOLANT INSTRUMENT SWITCH
BLU/WHT PUR
6797 LEVEL SENSOR PANEL PANEL
E205LC
COOLANT LEVEL LOW 54 (OPTIONAL) HARNESS HARNESS
BLU/BLK WHT 17
E207LC 6745
+5V LOW COOL LVL SENSOR 2 16
BLU/RED RED THROTT LE THROTTLE POSITION
SEE
10A C PEDAL SENSOR (MOUNT ED
ENGINE COOLANT SHEET2
ADAPTER ON THROTTLE
HARNESS LEVEL EXT
HARNESS PEDAL ASSEMBLY)
HARNESS
6A 7
E129CT E129CT E129CT E129CT E129CT
BRN/GRN BRN/GRN BRN/GRN BRN/GRN BRN/GRN
E128CT E128CT E128CT E128CT E128CT
ACC PEDAL POS 66 BRN/RED
BRN/RED BRN/RED BRN/RED BRN/RED
E127CT E127CT E127CT E127CT E127CT
+8V THROTTLE POS SENSOR 4
BRN/GRA BRN/GRA BRN/GRA BRN/GRA BRN/GRA

993 993 INSTRUMENT THROTTLE


INPUT SENSOR COMMON #2 3 PANEL PEDAL
BRN BRN
K999 K999 HARNESS ADAPTER
INPUT #1 PTO ON/OFF SW 56 HARNESS
GRN GRN MULTI-FUNCTION INPUTS
K980 K980 FOR REMOTE PTO & THROTTLE
INPUT #2 REMOTE PTO SET 58 16
PNK PNK
K982 K982
INPUT #3 REMOTE PTO RESUME 60
YEL YEL
G845 G845
INPUT #8 REMOTE T HROTTLE 68
PUR PUR
G882 G882
INPUT #13 SERVICE BRAKE #2 64
WHT WHT
K998
OUTPUT #1 PTO LAMP 30
BLU

ENGINE ENGINE
HARNESS HARNESS

8
4

P94-1189.FM
Controller, w/CAT 3406E or C10/C12 w/ADEM III P94-1189 A 02

15B 5 12 23
ENGINE INSTR CONTROL INSTRUMENT
HARNESS PANEL HARNESS PANEL USAGE NOTE:
HARNESS HARNESS
USE ON BI, BII, BIII CABS WITH CAT 3406E
ETHER START C23HS C23ES CSP18 C23ES C23ES OR C10/C12 ENGINES WITH ADEM III CONTROLLER.
THERMO SW TAN/GRN TAN/GRN LT BLU/WHT TAN/GRN TAN/GRN

ENGINE
HARNESS

24
ETHER
START TO KEY SWITCH
SOLENOID (SEE ETHER START
VALVE DIAGRAM)

SEE
SHEET 1
A

E69CM1
5

GRA
4 SEE
SHEET 1
ENGINE ENGINE INSTRUMENT 14B
CAT ADEM III INSTR TO PANEL
HARNESS HARNESS PANEL SWITCH
CONTROLLER PANEL LIGHT CONTROL
HARNESS HARNESS PANEL C
(SEE PARK & TAIL HARNESS
L13LI
LAMP DIAGRAM)
GRA
E139CT E139CT E139CT E139CT
CRUISE CONT ON/OFF SW 59

E69CM1
ORN/BRN ORN/BRN ORN/BRN ORN/BRN

GRA
E140CT E140CT E140CT E140CT
SET (CRUISE CONTROL) 35
ORN/GRN ORN/GRN ORN/GRN ORN/GRN
E141CT E141CT E141CT E141CT
RESUME (CRUISE CONT) 44
ORN/RED ORN/RED ORN/RED ORN/RED
E31CS E31CS E31CS E31CT E31CT
CLUTCH PEDAL POS SW 22 YEL/PUR
YEL/PUR YEL/PUR YEL/PUR YEL/PUR
E32SW E32SW E69CM1 E69CM1
SERV BRK PEDAL POS SW 45
YEL/GRN YEL/GRN GRA GRA
CRUISE
SERVICE BRAKE CONTROL
SWITCH N.C. E139CT ON/OFF
E31CT
(PEDAL RLSD) BLK ORN/BRN SWITCH
CLUTCH SW YEL/PUR
NO NC E140CT E140CT SET/
SHOWN WITH
ORN/GRN ORN/GRN COAST CRUISE
CLUTCH PEDAL
COM E69CM1 E69CM1 CONTROL
IN FULLY
GRA GRA SET/RES
RELEASED
E141CT E141CT RES/ SW (MOM)
POSITION
ORN/RED ORN/RED ACCEL
JUMPER SWITCH
WIRE HARNESS

6B

21A 21B

ENGINE CAT CHASSIS TRANS


HARNESS EXT HARNESS HARNESS

E150SU
VEHICLE SPEED IN - 33 BLK BLK
BLU/RED
E150SP
VEHICLE SPEED IN + 32 BLK BLK
BLU/RED
VEHICLE
SPEED
SENDER

P94-1189.FM
Controller, w/CAT 3406E or C10/C12 w/ADEM III P94-1189 A 03

GENERAL NOTES:
1) USE ON BI, BII, BIII CABS WITH CAT 3406E OR C10/C12
6) BLACK 4-WAY WEATHER PACK CONNECTOR
ENGINES WITH ADEM III CONTROLLER.

6A LOCATED NEAR TOP FRONT CENTER OF THE ENGINE. 2) DENOTES A "TWISTED PAIR" OF WIRES.

6B LOCATED BEHIND THE SWITCH PANEL.

3) X DESIGNATES A REFERENCE POINT ON ANOTHER DIAGRAM,


7 BLACK 4-WAY METRI-PACK 150 SERIES CONNECTOR LOCATED
DETAIL OR SHEET.
NEAR TOP FRONT CENTER OF THE ENGINE.

8 BLACK 7-WAY METRI-PACK 280 SERIES CONNECTOR LOCATED 4 70-WAY AMP CONNECTOR LOCATED LHSIDE OF ENGINE AT ECU.
ABOVE ENGINE ECU.
13
9) BLACK 3-WAY METRI-PACK 150 SERIES CONNECTOR 1

9A LOCATED ABOVE ENGINE ECU

9B LOCATED BEHIND ENGINE GAUGE CLUSTER

HARNESS
10 BLACK 2-WAY METRI-PACK 280 SERIES CONNECTOR LOCATED
CONNECTOR
NEAR LH UPPER SIDE OF RADIATOR,
SHOWN
11 BLACK 2-WAY WEATHER PACK CONNECTOR LOCATED NEAR
HEATER BOX, ENGINE SIDE

12 BLACK 10-WAY AMP CONNECTOR LOCATED BEHIND SPEEDO/TACH PANEL.

13 RED 8-WAY MOLDED CONNECTOR LOCATED NEAR KEY SWITCH. 70 58

14) BLACK 6-WAY METRI-PACK 280 SERIES CONNECTOR

14A LOCATED BEHIND ENGINE GAUGE CLUSTER.


TERM CIRCUIT DESCRIPTION TERM CIRCUIT DESCRIPTION
14B LOCATED BEHIND SWITCH PANEL.
2 E207LC +5V LOW COOL LVL SENSOR 37 G150SU SPEEDOMETER -
3 993 INPUT SENSOR COMMON #2 38 G148TC TACHOMETER +
15) 1-WAY BULLET CONNECTOR
4 E127CT +8V THROTTLE POS SENSOR 39 G148SU TACHOMETER -
15A LOCATED BEHIND ENGINE GAUGE CLUSTER 5 E69CM THROTTLE SW SENSOR COM 40 E98ER RET SOL MED/HI SW
11 C144EF OUTPUT #5 COOLING FAN 41 E144CT INPUT #11, A/C PRESS SW
15B LOCATED TOP RH FRONT CORNER OF ENGINE 19 YEL OUTPUT #6 44 E141CT RESUME (CRUISE CONT)
20 RED OUTPUT #7 45 E32SW SERV BRK PEDAL POS SW
22 E31CS CLUTCH PEDAL POS SW 46 E144EF INPUT #7 FAN OVERRIDE SW 46
16 BLACK 6-WAY METRI-PACK 150 SERIES CONNECTOR LOCATED
BEHIND SPEEDO/TACH PANEL 23 E96ER RET SOL LOW/HI SW 49 E206LC COOLANT LEVEL NORM
28 E158WL CHECK ENGINE LAMP 54 E205LC COOLANT LEVEL LOW
17 GRAY 3-WAY DEUTSCH CONNECTOR LOCATED 29 E159WL WARN LAMP STOP ENGINE 56 K999 INPUT #1 PTO ON/OFF SW
AT THROTTLE PEDAL. 30 K998 OUTPUT #1 PTO LAMP 58 K980 INPUT #2 REMOTE PTO SET
32 E150SP VEHICLE SPEED IN + 59 E139CT CRUISE CONT ON/OFF SW
18 BLACK 1-WAY METRI-PACK 150 SERIES ONNECTOR LOCATED 33 E150SU VEHICLE SPEED IN - 60 K982 INPUT #3 REMOTE PTO RESUME
BEHIND SWITCH PANEL. 35 E140CT SET (CRUISE CONTROL) 64 G882 INPUT #13 SERVICE BRAKE #2
36 G150SP SPEEDOMETER + 66 E128CT ACC PEDAL POS
19 WHITE 12-WAY MOLEX CONNECTOR LOCATED AT 16-WAY 68 G845
WARNING LAMP MODULE. INPUT #8 REMOTE THROTTLE

20 NATURAL 8-WAY MOLEX CONNECTOR LOCATED @ 16-WAY


WARNING LAMP MODULE. 5 BROWN 40-WAY YAZAKI CONNECTOR LOCATED AT FIREWALL, CENTER.

21) GRAY 8-WAY DEUTSCH DT SERIES CONNECTOR 1


6 1
6
21A LOCATED NEAR PD BOX

21B LOCATED LH SIDE OF TRANSMISSION

22 BLACK 10-WAY AMP CONNECTOR BEHIND SPEEDO/TACH


PANEL.

23 BLACK 1-WAY METRI-PACK 280 SERIES CONNECTOR


LOCATED BEHIND SPEEDO/TACH PANEL.

24 BLACK 2-WAY MOLDED CONNECTOR NEAR PD BOX.

35 40
40
ENGINE SIDE 35
CAB SIDE

TERM CIRCUIT DESCRIPTION TERM CIRCUIT DESCRIPTION

7 P18WL OUTPUT #7 21 E129CT THROTTLE POSITIN


8 E31CS CLUTCH PEDAL POS SW 24 G150SP SPEEDO SENDING CKT
9 E32SW SERV BRK PEDAL POS SW 26 L56LC LOW COOLANT WARNING LAMP
10 E158WL CHECK ENGINE LAMP 27 G148TC TACHOMETER +
11 E159WL WARN LAMP STOP ENGINE 28 G150SU SERV BRK PEDAL POS SW
12 E139CT CRUISE CONT ON/OFF SW 29 E144EF INPUT #7 FAN OVERRIDE SW
13 E127CT +8V THROTTLE POS SENSOR 30 E96ER COOLANT LEVEL NORM
15 L144EF FAN CLUTCH CONTROL 31 E98ER RET SOL MED/HI SW
16 E140CT SET (CRUISE CONTROL) 33 C23ES ETHER START
17 E128CT ACC PEDAL POS 34 G148SU TACHOMETER -
20 E141CT RESUME (CRUISE CONT) 35 E69CM1 THROTTLE SW SENSOR COM

P94-1189.FM

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