RENR7913
July 2006
E-C11
INJECTOR
HARNESS
CONNECTOR
E-S6
(L985)
E-S5
(L884)
E-S4
(L983)
INTAKE MANFOLD
AIR TEMPERATURE
SENSOR CONNECTOR
E-C7
INJECTION ACTUATION
PRESSURE CONTROL
VALVE CONNECTOR
E-C15
ENGINE HARNESSES
266-7699
283-5607
CONNECTOR AND SPLICE LOCATIONS
E-C6
BOOST PRESSURE
SENSOR CONNECTOR
E-S2
(G829)
E-S7
(G850)
E-C5
ENGINE OIL
PRESSURE
SENSOR
CONNECTOR
INLET AIR
HEATER RELAY
CONNECTOR
E-C8
C7 On-Highway Engine
Electrical System
E-S1
(G828)
E-S8
(G826)
E-C1
ATMOSPHERIC PRESSURE
SENSOR CONNECTOR
E-C2
ECM
CONNECTOR
INLET AIR HEATER
LAMP/FAN SPEED
CONNECTOR
E-S9
(G827)
E-C9
E-C18
INJECTION ACTUATION
PRESSURE SENSOR
CONNECTOR
NPH1-UP
LBM1-UP
SAP3956-UP
WAX1-UP
E-C12
E-C13
SECONDARY (BOTTOM)
SPEED/TIMING
SENSOR CONNECTOR
PRIMARY (TOP)
SPEED/TIMING
SENSOR CONNECTOR
E-C14
TURBO WASTEGATE
SOLENOID CONNECTOR
Harness And Wire Symbols
Harness identification code
This example indicates
wire 135 in harness "AG".
E-C16
Connector Reference
Designator
FUEL PRESSURE
SENSOR CONNECTOR
KEY SLOTS
POSITIONED
AS SHOWN
J174
1306795
P174
1306795
ENGINE OIL
LEVEL SWITCH
CONNECTOR
P274
111 7898
325-AG135 PK-14
E-C17
Socket
Pin
ONLY WITH
HARNESS 269-7699
Single Wire
Connector
Plug
Wire
Gauge
Wire
Color
Part Number For
J274
Connector Assembly
3E5179
325-A135 PK-14
1
Receptacle
2
Fuse
Pin or Socket
Number
Ground
Circuit
Connection
Number
Identification
200-L32 BK-14
Component
Part Number
105-9344
CLR-GA
WH-18
GN-18
BU-18
GY-18
PK-18
PK-18
GY-18
BR-18
BU-18
GY-18
BU-18
GY-18
PU-18
BR-18
GN-18
PK-18
BR-18
BU-18
WH-18
OR-18
YL-18
WH-18
BK-18
BU-18
GY-18
YL-18
BU-18
GN-18
PK-18
PU-18
WH-18
BK-18
QTY
1
2
1
E-C1
WIRE NAME
POS
1
G828-E1
2
G829-E5
3
4
5
6
7
G850-E9
8
9
10
11
12
13
A747-E10
14
15
16
C991-E52
17
G833-E11
18
19
20
21
22
23
994-E16
24
G849-E17
25
26
27
28
29
30
31
995-E18
32
G458-E48
33
34
C967-E20
35
A701-E21
36
A702-E22
37
A703-E23
38
A704-E24
39
A746-E25
40
G826-E26
41
G827-E14
42
43
L983-E27
44
L984-E32
45
L985-E33
46
47
E964-E38
48
E963-E39
49
50
51
52
53
A705-E40
54
A706-E41
55
56
57
E966-E36
58
E965-E37
59
G883-E49
60
G854-E45
61
G855-E46
62
M795-E99
63
C211-E98
64
65
66
67
68
69
70
ACCESSORY TABLE
PART NAME
PLUG AS.
STRAP
ENDBELL
TERM/PLUG
8T-8737
180-9340
180-9340
8T-8737
8T-8737
8T-8737
8T-8737
180-9340
8T-8737
8T-8737
8T-8737
8T-8737
8T-8737
180-9340
8T-8737
8T-8737
180-9340
180-9340
8T-8737
8T-8737
8T-8737
8T-8737
8T-8737
180-9340
180-9340
8T-8737
8T-8737
8T-8737
8T-8737
8T-8737
8T-8737
180-9340
180-9340
8T-8737
180-9340
180-9340
180-9340
180-9340
180-9340
180-9340
180-9340
180-9340
8T-8737
180-9340
180-9340
180-9340
8T-8737
180-9340
180-9340
8T-8737
8T-8737
8T-8737
8T-8737
180-9340
180-9340
8T-8737
8T-8737
180-9340
180-9340
180-9340
180-9340
180-9340
180-9340
180-9340
8T-8737
8T-8737
8T-8737
8T-8737
8T-8737
8T-8737
P/N
160-7690
3S-2093
126-1774
CLR-GA
WH-18
GN-18
GY-18
QTY
1
CLR-GA
RD-18
BU-18
QTY
1
1
CLR-GA
WH-18
BK-18
QTY
1
1
CLR-GA
RD-18
BU-18
GN-18
QTY
1
3
E-C2
WIRE NAME POS
G828-E2
1
G829-E8
2
A747-E10
3
ACCESSORY TABLE
PART NAME
PLUG AS.
E-C8
WIRE NAME POS
C987-E44
1
G850-E43
2
ACCESSORY TABLE
PART NAME
PLUG AS.
WEDGE
E-C14
WIRE NAME POS
M795-E99
1
C211-E98
2
ACCESSORY TABLE
PART NAME
PLUG AS.
WEDGE
E-C18
WIRE NAME POS
C987-E44
A
G850-E42
B
G883-E49
C
ACCESSORY TABLE
PART NAME
PLUG AS.
SEAL
TERM/PLUG
180-9340
180-9340
180-9340
CLR-GA
WH-18
GN-18
PK-18
P/N
230-4013
QTY
1
TERM/PLUG
180-9340
180-9340
CLR-GA
WH-18
GN-18
BR-18
P/N
155-2269
155-2261
E-C3
WIRE NAME POS
G828-E3
1
G829-E7
2
A746-E25
3
ACCESSORY TABLE
PART NAME
PLUG AS.
E-C9
WIRE NAME POS
G828-E4
1
G829-E6
2
G849-E17
3
ACCESSORY TABLE
PART NAME
PLUG AS.
QTY
1
TERM/PLUG
180-9340
180-9340
CLR-GA
PK-18
PU-18
P/N
155-2269
155-2261
QTY
1
1
E-C15
WIRE NAME POS
G854-E45
1
G855-E46
2
ACCESSORY TABLE
PART NAME
PLUG AS.
WEDGE
TERM/PLUG
180-9340
180-9340
180-9340
CLR-GA
BR-18
BU-18
GY-18
P/N
230-4013
QTY
1
TERM/PLUG
180-9340
180-9340
180-9340
CLR-GA
GY-18
PU-18
BR-18
GN-18
BU-18
GY-18
YL-18
YL-18
OR-18
OR-18
WH-18
WH-18
P/N
237-0227
TERM/PLUG
180-9340
180-9340
P/N
155-2269
155-2261
QTY
1
1
E-C5
WIRE NAME POS
G826-E50
1
G827-E15
2
994-E16
3
ACCESSORY TABLE
PART NAME
PLUG AS.
TERM/PLUG
180-9340
180-9340
180-9340
CLR-GA
BU-18
PK-18
QTY
1
P/N
237-0227
E-C11
WIRE NAME POS TERM/PLUG
A701-E21
1
180-9339
A702-E22
2
180-9339
A703-E23
3
180-9339
A704-E24
4
180-9339
A705-E40
5
180-9339
A706-E41
6
180-9339
L985-E35
7
180-9339
L985-E34
8
180-9339
L984-E30
9
180-9339
L984-E31
10
180-9339
L983-E29
11
180-9339
L983-E28
12
180-9339
ACCESSORY TABLE
PART NAME
P/N
RECEPTACLE AS. 3E-5179
WEDGE
3E-5180
TERM/PLUG
189-9115
189-9115
189-9115
E-C6
WIRE NAME POS
995-E18
1
G833-E12
2
ACCESSORY TABLE
PART NAME
PLUG AS.
TERM/PLUG
180-9340
180-9340
CLR-GA
BU-18
PK-18
P/N
230-4011
QTY
1
E-C12
WIRE NAME POS TERM/PLUG
E963-E39
A
111-1567
E964-E38
B
111-1567
ACCESSORY TABLE
PART NAME
P/N
RECEPTACLE AS. 100-3320
CLR-GA
BK-18
WH-18
QTY
1
E-C16
WIRE NAME POS
G826-E51
1
G827-E19
2
C991-E52
3
ACCESSORY TABLE
PART NAME
PLUG AS.
CLR-GA
BR-18
BU-18
PK-18
QTY
1
CLR-GA
BU-18
YL-18
QTY
1
TERM/PLUG
180-9340
180-9340
180-9340
CLR-GA
GY-18
GN-18
QTY
1
P/N
237-0227
E-C7
WIRE NAME POS
C967-E20
1
G833-E13
2
ACCESSORY TABLE
PART NAME
PLUG AS.
P/N
230-4011
E-C13
WIRE NAME POS TERM/PLUG
E965-E37
A
111-1567
E966-E36
B
111-1567
ACCESSORY TABLE
PART NAME
P/N
RECEPTACLE AS. 111-2416
E-C17
WIRE NAME POS
G458-E48
A
G829-E47
B
ACCESSORY TABLE
PART NAME
PLUG AS.
Diagnostic Code Listing
TERM/PLUG
123-1198
123-1198
P/N
118-8429
Inlet Air Heater
Relay Connector
E-C8
Injection Actuation
Pressure Sensor
Connector
E-C9
160-7690
P/N
189-9114
189-9116
13
1
8
9
4
3
2
001-11
72
Cylinder #1 Injector current fault
105-00
64
High Intake Manifold Air Temperature Warning
002-11
003-11
72
Cylinder #2 Injector current fault
105-03
38
Intake Manifold Air Temperature voltage high
73
Cylinder #3 Injector current fault
105-04
38
004-11
Intake Manifold Air Temperature voltage low
73
Cylinder #4 Injector current fault
105-11
64
Very High Intake Manifold Air Temperature
Description
005-11
74
Cylinder #5 Injector current fault
108-03
26
Barometric Pressure voltage high
006-11
74
Cylinder #6 Injector current fault
108-04
26
Barometric Pressure voltage low
022-11
42
Primary to Secondary Engine Speed Signal Calibration
110-00
61
High Coolant Temperature Warning
022-13
42
Engine Speed Signal Calibration Not Performed
110-03
27
Coolant Temperature voltage high
030-08
29
PTO Throttle signal invalid
110-04
27
Coolant Temperature voltage low
030-13
29
PTO Throttle out of calibration
110-11
61
Very High Coolant Temperature
Low Coolant Level Warning
032-05
33
Turbo Wastegate Solenoid current low
111-01
62
032-06
33
Turbo Wastegate Solenoid current high
111-02
12
Coolant Level signal invalid
032-11
33
Turbo Wastegate Solenoid current mismatch
111-03
12
Coolant Level voltage high
041-03
21
8 Volt Supply voltage high
111-04
12
Coolant Level voltage low
041-04
21
8 Volt Supply voltage low
111-11
62
Very Low Coolant Level
042-11
18
Injection Actuation Pressure output fault
128-03
44
Secondary Fuel Level voltage high
043-02
71
Key Switch Fault
128-04
44
Secondary Fuel Level voltage low
064-02
34
Secondary Engine Speed loss of signal
164-00
17
Excessive Injection Actuation Pressure
064-11
34
Secondary Engine Speed no pattern
164-02
15
Injection Actuation Pressure Signal Erratic
070-05
49
Inlet Air Heater current low
164-03
15
Injection Actuation Pressure Voltage High
070-06
49
Inlet Air Heater current high
164-04
15
Injection Actuation Pressure Voltage Low
071-00
01
Idle Shutdown Override
164-11
39
Injection Actuation Pressure system fault
24
39
32
47
40
071-01
47
Idle Shutdown
168-00
51
Excessive ECM Battery Power
57
48
071-14
47
PTO Shutdown
168-01
51
Low ECM Battery Power
70
58
084-00
41
Vehicle Overspeed Warning
168-02
51
ECM Battery Power Intermittent
084-01
31
Vehicle Speed loss of signal
173-00
16
High Exhaust Gas Temperature Derate
084-02
36
Vehicle Speed signal invalid
173-11
16
Very High Exhaust Gas Temperature Derate
084-08
36
Vehicle Speed signal out of range
186-04
00
PTO Engine Shutdown Switch Voltage Low
084-10
36
Vehicle Speed signal rate of change
186-14
47
PTO Engine Shutdown Switch Occurrence
Fuel
Pressure
Sensor
Connector
E-C16
155-2252
10 11 12
11
2
10
3
9
4
8
5
7
6
1
B
116-6158
111-2416
Injection Actuation
Pressure Control
Valve Connector
E-C15
B
A
A
B
189-9114
155-2269
118-8429
Engine Coolant
Temperature
Sensor Connector
E-C6
A B C
1
2
B
Turbo
Wastegate
Solenoid
Connector
E-C14
Flash
Code
14
100-3320
A
Boost
Pressure
Sensor
Connector
E-C3
PID-FMI
Description
23
1
5
Injector
Harness
Connector
E-C11
PID-FMI
Flash
Code
31
12
6
Injector
Harness
Grommet
Intake Manifold
Air Temperature
Sensor
Connector
E-C7
Atmospheric
Pressure
Sensor
Connector
E-C2
Inlet Air Heater
E-C18
Lamp/Fan Speed Connector
OR
E-C4 Inlet Air Heater Lamp Connector
(Note A)
3E-5179
7
Printed in U.S.A.
© 2006 Caterpillar
All Rights Reserved
TERM/PLUG
180-9340
180-9340
084-14
00
Quick Stop Occurrence
190-00
35
Engine Overspeed Warning
091-08
32
Throttle Position Invalid
190-02
34
Primary Engine Speed loss of signal
091-13
28
Throttle Position out of Calibration
190-11
34
Primary Engine Speed no pattern
094-01
63
Low Fuel Pressure Warning
224-11
00
Theft Deterrent Active
094-03
37
Fuel Pressure Voltage High
224-14
00
Theft Deterrent Active with Engine Cranking
094-04
37
Fuel Pressure Voltage Low
231-02
58
J1939 Data Incorrect
094-11
63
Low Cranking Fuel Pressure
231-11
58
J1939 Data Link Fault
096-03
00
Fuel Level Voltage High
231-12
096-04
00
Fuel Level Voltage Low
231-14
57
Transmission Data Link Derate
100-01
46
Low Oil Pressure Warning
232-03
21
5 Volt Supply voltage high
100-03
24
Oil Pressure voltage high
232-04
21
5 Volt Supply voltage low
100-04
24
Oil Pressure voltage low
246-11
00
Brake Pedal Switch #1 Fault
100-11
46
Very Low Oil Pressure
247-11
00
Brake Pedal Switch #2 Fault
102-01
25
Low Boost Pressure
252-11
59
Engine Software Incorrect
102-02
25
Boost Pressure signal erratic
253-02
56
Check Customer or System Parameters
102-03
25
Boost Pressure voltage high
253-14
56
Truck Manufacturer Parameter Not Programmed
N/A
55
No Diagnostic Code Detected
102-04
25
Boost Pressure voltage low
102-07
25
Boost Pressure not responding
Related Electrical Service Manuals
A
Title
230-4013
230-4011
237-0227
RED
3
2
1
CONNECTORS
3
2
1
J1939 Device Not Responding
GRAY
Primary Engine
Speed / Timing
Sensor Connector
(Top)
E-C12
Secondary Engine
Speed / Timing
Sensor Connector
(Bottom)
E-C13
E-C1
Engine Oil
Level
Switch
Connector
E-C17
Engine Oil
Pressure
Sensor
Connector
E-C5
J1
Engine
Control
Module
Form Number
Troubleshooting
SENR9517
Systems Operation / Testing and Adjusting
RENR7572
Note A: Connector E-C4 for Harnesses 266-7696 and 266-7698
Connector E-C18 for Harnesses 266-7699 and 283-5607
16 Page
E-S3
(G833)
E-C3
RENR7913
ENGINE COOLANT
TEMPERATURE SENSOR
CONNECTOR
E-C11
E-S6
(L985)
E-S5
(L984)
E-S4
(L983)
INJECTOR
HARNESS
CONNECTOR
INTAKE MANFOLD
AIR TEMPERATURE
SENSOR CONNECTOR
E-C7
E-C15
ENGINE HARNESS WIRING DIAGRAM
INJECTION ACTUATION
PRESSURE CONTROL
VALVE CONNECTOR
ENGINE HARNESSES
A701-A1 GY-16
266-7696
266-7698
A702-A3 PU-16
A703-A5 BR-16
A704-A7 GN-16
CONNECTOR AND SPLICE LOCATIONS
A701-A1
A702-A3
A703-A5
A704-A7
A705-A9
A706-A11
L985-A10
L985-A12
L984-A6
L984-A8
L983-A2
L983-A4
B
A
A-C7
1539693
B
A
A-C6
1539693
B
A
B
A
B
A
INJECTOR HARNESS
GROMMET
A706-A11 GY-16
L985-A10 YL-16
L985-A12 YL-16
L984-A6 OR-16
L984-A8 OR-16
L983-A2 WH-16
L983-A4 WH-16
E-S1
(G828)
A-C1
1552252
GY-16
PU-16
BR-16
GN-16
BU-16
GY-16
YL-16
YL-16
OR-16
OR-16
WH-16
WH-16
INJECTOR HARNESS 222-5917
E-C11
3E5179
A701-E21
A702-E22
A703-E23
A704-E24
A705-E40
A706-E41
L985-E35
L985-E34
L984-E30
L984-E31
L983-E29
L983-E28
GY-18
PU-18
BR-18
GN-18
BU-18
GY-18
YL-18
YL-18
OR-18
OR-18
WH-18
WH-18
INJECTION ACTUATION
PRESSURE CONTROL VALVE
E-C5
E-S8
(G827)
E-C1
ENGINE OIL
PRESSURE
SENSOR
CONNECTOR
ECM
CONNECTOR
E-C2
INLET AIR
HEATER LAMP
CONNECTOR
ATMOSPHERIC PRESSURE
SENSOR CONNECTOR
E-S9
(G826)
(+) BATTERY SWITCHED
C991-E49
E963-E39
E964-E38
E965-E37
E966-E36
E-C4
E-C9
INJECTION ACTUATION
PRESSURE SENSOR
CONNECTOR
PRIMARY (TOP)
SPEED/TIMING
SENSOR CONNECTOR
SECONDARY (BOTTOM)
SPEED/TIMING
SENSOR CONNECTOR
E-C14
TURBO WASTEGATE
SOLENOID CONNECTOR
SIGNAL PLUS TO ECM
SIGNAL MINUS TO ECM
ENGINE OIL PRESSURE SENSOR
276-9067
(OPTIONAL)
WH-18
GN-18
BU-18
GY-18
PK-18
PK-18
GY-18
BR-18
BU-18
BU-18
GY-18
PU-18
BR-18
GN-18
PK-18
BR-18
BU-18
WH-18
OR-18
YL-18
BU-18
GY-18
YL-18
BU-18
16 Page
RENR7913
WH-18
BK-18
PK-18
PU-18
WH-18
BK-18
QTY
1
2
1
POS
1
G828-E1
2
G829-E5
3
4
5
6
7
G850-E9
8
9
10
11
12
13
A747-E10
14
15
16
C991-E49
17
G833-E11
18
19
20
21
22
23
994-E16
24
G849-E17
25
26
27
28
29
30
31
995-E18
32
33
34
C967-E20
35
A701-E21
36
A702-E22
37
A703-E23
38
A704-E24
39
A746-E25
40
G826-E26
41
G827-E47
42
43
L983-E27
44
L984-E32
45
L985-E33
46
47
E964-E38
48
E963-E39
49
50
51
52
53
A705-E40
54
A706-E41
55
56
57
E966-E36
58
E965-E37
59
60
G854-E45
61
G855-E46
62
M795-E99
63
C211-E98
64
65
66
67
68
69
70
ACCESSORY TABLE
PART NAME
PLUG AS.
STRAP
ENDBELL
TERM/PLUG
8T-8737
180-9340
180-9340
8T-8737
8T-8737
8T-8737
8T-8737
180-9340
8T-8737
8T-8737
8T-8737
8T-8737
8T-8737
180-9340
8T-8737
8T-8737
180-9340
180-9340
8T-8737
8T-8737
8T-8737
8T-8737
8T-8737
180-9340
180-9340
8T-8737
8T-8737
8T-8737
8T-8737
8T-8737
8T-8737
180-9340
8T-8737
8T-8737
180-9340
180-9340
180-9340
180-9340
180-9340
180-9340
180-9340
180-9340
8T-8737
180-9340
180-9340
180-9340
8T-8737
180-9340
180-9340
8T-8737
8T-8737
8T-8737
8T-8737
180-9340
180-9340
8T-8737
8T-8737
180-9340
180-9340
8T-8737
180-9340
180-9340
180-9340
180-9340
8T-8737
8T-8737
8T-8737
8T-8737
8T-8737
8T-8737
CLR-GA
WH-18
GN-18
GY-18
QTY
1
CLR-GA
RD-18
BU-18
QTY
1
1
CLR-GA
PK-18
PU-18
QTY
1
1
E-C8
WIRE NAME POS
C987-E44
1
G850-E43
2
ACCESSORY TABLE
PART NAME
PLUG AS.
WEDGE
E-C15
WIRE NAME POS
G854-E45
1
G855-E46
2
ACCESSORY TABLE
PART NAME
PLUG AS.
WEDGE
TERM/PLUG
180-9340
180-9340
180-9340
CLR-GA
WH-18
GN-18
PK-18
P/N
230-4013
QTY
1
CLR-GA
WH-18
GN-18
BR-18
TERM/PLUG
180-9340
180-9340
P/N
155-2269
155-2261
QTY
1
TERM/PLUG
180-9340
180-9340
CLR-GA
BR-18
BU-18
PK-18
P/N
155-2269
155-2261
QTY
1
E-C9
WIRE NAME POS
G828-E4
1
G829-E6
2
G849-E17
3
ACCESSORY TABLE
PART NAME
PLUG AS.
E-C16
WIRE NAME POS
G826-E19
1
G827-E50
2
C991-E49
3
ACCESSORY TABLE
PART NAME
PLUG AS.
TERM/PLUG
180-9340
180-9340
180-9340
CLR-GA
RD-18
BU-18
QTY
1
2
1
1
P/N
230-4013
TERM/PLUG
180-9340
180-9340
180-9340
P/N
237-0227
TERM/PLUG
180-9340
180-9340
180-9340
CLR-GA
GY-18
PU-18
BR-18
GN-18
BU-18
GY-18
YL-18
YL-18
OR-18
OR-18
WH-18
WH-18
P/N
237-0227
QTY
1
1
E-C4
WIRE NAME POS
C987-E44
A
G850-E42
B
ACCESSORY TABLE
PART NAME
PLUG AS.
SEAL
RETAINER
CAP
FUEL PRESSURE
SENSOR CONNECTOR
TERM/PLUG
116-6159
116-6159
CLR-GA
BR-18
BU-18
GY-18
P/N
116-6158
100-6674
111-2422
116-6161
E-C11
WIRE NAME POS TERM/PLUG
A701-E21
1
180-9339
A702-E22
2
180-9339
A703-E23
3
180-9339
A704-E24
4
180-9339
A705-E40
5
180-9339
A706-E41
6
180-9339
L985-E35
7
180-9339
L985-E34
8
180-9339
L984-E30
9
180-9339
L984-E31
10
180-9339
L983-E29
11
180-9339
L983-E28
12
180-9339
ACCESSORY TABLE
PART NAME
P/N
RECEPTACLE AS. 3E-5179
WEDGE
3E-5180
QTY
1
CLR-GA
BK-18
WH-18
QTY
1
E-C5
WIRE NAME POS
G826-E14
1
G827-E49
2
994-E16
3
ACCESSORY TABLE
PART NAME
PLUG AS.
TERM/PLUG
180-9340
180-9340
180-9340
P/N
237-0227
E-C12
WIRE NAME POS TERM/PLUG
E963-E39
A
111-1567
E964-E38
B
111-1567
ACCESSORY TABLE
PART NAME
P/N
RECEPTACLE AS. 100-3320
CLR-GA
BU-18
PK-18
QTY
1
CLR-GA
BU-18
YL-18
QTY
1
+5V
RETURN
SIGNAL
ATMOSPHERIC PRESSURE SENSOR
276-8548
E-C16
E-C6
WIRE NAME POS
995-E18
1
G833-E12
2
ACCESSORY TABLE
PART NAME
PLUG AS.
TERM/PLUG
180-9340
180-9340
CLR-GA
BU-18
PK-18
P/N
230-4011
QTY
1
E-C13
WIRE NAME POS TERM/PLUG
E965-E37
A
111-1567
E966-E36
B
111-1567
ACCESSORY TABLE
PART NAME
P/N
RECEPTACLE AS. 111-2416
CLR-GA
WH-18
BK-18
QTY
1
1
E-C7
WIRE NAME POS
C967-E20
1
G833-E13
2
ACCESSORY TABLE
PART NAME
PLUG AS.
E-C14
WIRE NAME POS
M795-E99
1
C211-E98
2
ACCESSORY TABLE
PART NAME
PLUG AS.
WEDGE
TERM/PLUG
180-9340
180-9340
+5V
RETURN
SIGNAL
P/N
230-4011
TERM/PLUG
180-9340
180-9340
G828-E4 WH-18
G829-E6 GN-18
G849-E17 BR-18
A
B
C
E-C5
1552267
G826-E14 BR-18
G827-E49 BU-18
994-E16 GY-18
INLET AIR
HEATER RELAY
175-2300
209-5581
BK-18
BK-18
E-C8
1552269
C987-E44 RD-18
G850-E43 BU-18
1
2
E-S7
G850-E9 BU-18
E-C4
1166158
INLET AIR
HEATER
A
B
INLET AIR
HEATER GROUND
STRAP
C987-E44 RD-18
G850-E42 BU-18
A
B
C
+5V
RETURN
SIGNAL
P/N
155-2269
155-2261
C991-E49 PK-18
G833-E11 PK-18
G458-E48 GY-18
A746-E25 PK-18
A747-E10 GY-18
G828-E1
G828-E2
G828-E3
G828-E4
994-E16 GY-18
G849-E17 BR-18
E-S1
WH-18
WH-18
WH-18
WH-18
G829-E5
G829-E47
G829-E6
G829-E7
G829-E8
GN-18
GN-18
GN-18
GN-18
GN-18
995-E18 BU-18
G458-E48 GY-18
E-S8
G826-E19 BR-18
G826-E14 BR-18
G826-E26 BR-18
C967-E20
A701-E21
A702-E22
A703-E23
A704-E24
A746-E25
G826-E26
G827-E27
E-S2
1
E-S9
G827-E47 PK-18
G827-E49 PK-18
G827-E50 PK-18
WH-18
GN-18
GY-18
E964-E38 WH-18
E963-E39 BK-18
E-S3
G833-E11 PK-18
BU-18
GY-18
PU-18
BR-18
GN-18
PK-18
BR-18
BU-18
L983-E27 WH-18
L984-E32 OR-18
L985-E33 YL-18
1
1
G833-E13 PK-18
G833-E12 PK-18
WH-18
GN-18
PK-18
WH-18
GN-18
PK-18
INTAKE MANIFOLD AIR
TEMPERATURE SENSOR
234-5013
SIGNAL
RETURN
1
2
E-C7
1552269
C967-E20 BU-18
G833-E13 PK-18
ENGINE COOLANT
TEMPERATURE SENSOR
234-5012
SIGNAL
RETURN
1
2
E-C6
1552269
995-E18 BU-18
G833-E12 PK-18
A
B
E-C17
1188429
G458-E48 GY-18
G829-E47 GN-18
ENGINE OIL LEVEL SWITCH
183-5903
(OPTIONAL)
E-C18
1899114
C987-E44 RD-18
A
G850-E42 BU-18
B
G883-E49 GN-18
C
A
B
C
E-C2
1552267
G828-E2
G829-E8
A747-E10
E-C16
3E3370
G826-E19
G827-E50
C991-E49
E-C3
1552267
G828-E3
G829-E7
A746-E25
A
B
C
OR-18
YL-18
GN-18
BOOST PRESSURE SENSOR
266-8650
K995-OR
C967-E20
G849-E17
995-E18
994-E16
BU-18
BR-18
BU-18
GY-18
G850-E9
G883-E49
M795-E99
C211-E98
BU-18
GN-18
WH-18
BK-18
A705-E40 BU-18
A706-E41 GY-18
E966-E36
E965-E37
G883-E49
G854-E45
G855-E46
M795-E99
C211-E98
YL-18
BU-18
GN-18
PK-18
PU-18
WH-18
BK-18
ENGINE CONTROL MODULE
1
2
3
4
5
6
7
8
9
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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
PRESSURE SENSOR +5V
PRESSURE SENSOR COMMON
INLET AIR HEATER RELAY
ATMOSPHERIC PRESSURE
FUEL PRESSURE SENSOR
TEMPERATURE SENSOR COMMON
TIMING CALIBRATION(-)
TIMING CALIBRATION(+)
ENGINE OIL PRESSURE
INJECTION ACT. PRESSURE
ENGINE COOLANT TEMPERATURE
ENGINE OIL LEVEL-(266-7699
ONLY)
INTAKE MANIFOLD AIR TEMP
INJECTOR CYL 1
INJECTOR CYL 2
INJECTOR CYL 3
INJECTOR CYL 4
BOOST PRESSURE
ENGINE OIL PRESSURE (+5V)
ENGINE OIL PRESSURE COMMON
INJECTOR COMMON CYL 1&2
INJECTOR COMMON CYL 3&4
INJECTOR COMMON CYL 5&6
SPEED/TIMING TOP(+)
SPEED/TIMING TOP(-)
INJECTOR CYL 5
INJECTOR CYL 6
SPEED/TIMING BOTTOM(+)
SPEED/TIMING BOTTOM(-)
FAN SPEED INPUT
IAP CONTROL VALVE(+)
IAP CONTROL VALVE(-)
TURBO WASTEGATE(+)
TURBO WASTEGATE(-)
TURBO WASTEGATE SOLENOID
230-9944
Note A:
Connector E-C4 for Harnesses 266-7696 and 266-7698
M795-E99 WH-18
C211-E98 BK-18
1
2
G850-E9 BU-18
G883-E49 GN-18
Connector E-C18 for Harnesses 266-7699 and 283-5607
E-C4
INLET AIR
HEATER LAMP
B
A
C987-RD
TYPICAL VEHICLE HARNESS WIRING DIAGRAM
CIRCUITS WITHIN THIS AREA ARE RECOMMENDATIONS
N/O
RELAY
CHECK ENGINE LAMP
ENGINE CONTROL MODULE
L994-YL
P1
1607689 J1
WARNING LAMP
KEY SWITCH
659-PK
FAST IDLE ENABLED LAMP
OR
WAIT TO START LAMP
OFF
ON
START
FLYBACK
DIODE
EXHAUST BRAKE
SOLENOID
L994-YL
659-PK
K998-BU
G880-PK
G880-PK
E718-PK
E991-GY
G836-WH
EXHAUST BRAKE ON/OFF SWITCH
C981-GY
C974-PU
SIGNAL+
ALTERNATOR
SPEEDOMETER
STARTER
MOTOR
GROUND
CLR-GA
GY-16
WH-16
QTY
1
1
1
A-C2
WIRE NAME POS TERM/PLUG
A701-A1
A
154-2389
L983-A2
B
154-2389
ACCESSORY TABLE
PART NAME
P/N
PLUG
153-9693
SEAL
154-0877
CLIP
154-3769
CLR-GA
PU-16
WH-16
QTY
1
1
1
A-C3
WIRE NAME POS TERM/PLUG
A702-A3
A
154-2389
L983-A4
B
154-2389
ACCESSORY TABLE
PART NAME
P/N
PLUG
153-9693
SEAL
154-0877
CLIP
154-3769
CLR-GA
BR-16
OR-16
QTY
1
1
1
A-C4
WIRE NAME POS TERM/PLUG
A703-A5
A
154-2389
L984-A6
B
154-2389
ACCESSORY TABLE
PART NAME
P/N
PLUG
153-9693
SEAL
154-0877
CLIP
154-3769
CLR-GA
GN-16
OR-16
QTY
1
1
1
A-C5
WIRE NAME POS TERM/PLUG
A704-A7
A
154-2389
L984-A8
B
154-2389
ACCESSORY TABLE
PART NAME
P/N
PLUG
153-9693
SEAL
154-0877
CLIP
154-3769
CLR-GA
BU-16
YL-16
QTY
1
1
1
A-C6
WIRE NAME POS TERM/PLUG
A705-A9
A
154-2389
L985-A10
B
154-2389
ACCESSORY TABLE
PART NAME
P/N
PLUG
153-9693
SEAL
154-0877
CLIP
154-3769
CLR-GA
GY-16
YL-16
QTY
1
1
1
A-C7
WIRE NAME POS TERM/PLUG
A706-A11
A
154-2389
L985-A12
B
154-2389
ACCESSORY TABLE
PART NAME
P/N
PLUG
153-9693
SEAL
154-0877
CLIP
154-3769
9 PIN CAB
CONNECTOR
+BAT. B
-BAT. A
- 12V +
- 12V +
BATTERY 3
BATTERY 2
J1587 J1587 +
J1939 SHIELD
J1939 J1939 +
- 12V +
BATTERY 1
J
H
G
F
E
D
C
SIGNAL+
TACHOMETER
SIGNAL-
ENGINE
BLOCK
P/N
160-7690
3S-2093
126-1774
E793-BU
E794-YL
A249-BK
K990-GN
K900-YL
14
14
14
14
14
14
14
14
10A
C992-PU
A-C4
+BAT.
A-C6
INJECTOR 5
A-C2
INJECTOR 1
A-C5
INJECTOR 6
DIAGNOSTIC ENABLE SWITCH
H795-PK
A-C1
CYLINDER INJECTOR
HARNESS
222-5917
CONNECTOR AND SPLICE LOCATIONS
ENGINE
HARNESS
QTY
1
1
A-C1
WIRE NAME POS TERM/PLUG
A701-A1
1
180-9340
A702-A3
2
180-9340
A703-A5
3
180-9340
A704-A7
4
180-9340
A705-A9
5
180-9340
A706-A11
6
180-9340
L985-A12
7
180-9340
L985-A10
8
180-9340
L984-A8
9
180-9340
L984-A6
10
180-9340
L983-A4
11
180-9340
L983-A2
12
180-9340
ACCESSORY TABLE
PART NAME
P/N
RECEPTACLE AS. 155-2252
WEDGE
155-2258
G844-PK
N/O MOMENTARY SWITCH
A/C HIGH PRESSURE SWITCH N/C
H795-PK
TRANSMISSION NEUTRAL SWITCH N/O
(TRANSMISSION IN GEAR)
409-OR
E971-GN
E971-GN
PASSIVE MAGNETIC
VEHICLE SPEED
SENSOR
COMPONENTS WITHIN THIS AREA ARE CATERPILLAR PROVIDED/OEM INSTALLED
ACCELERATOR PEDAL SENSOR/SWITCH SENSOR COMMON
+8 V
ACCELERATOR PEDAL POSITION
ACCELERATOR PEDAL POSITION SENSOR
+BAT.
E793-BU
E794-YL
A249-BK
K990-GN
K900-YL
J906-BR
101-RD
101-RD
101-RD
101-RD
229-BK
229-BK
229-BK
229-BK
G839-BU
G838-BR
C978-BR
C979-OR
K999-GN
K980-PK
L902-GN
G840-PU
C975-WH
K982-YL
G841-GN
C992-PU
G842-GY
G882-WH
G843-OR
L901-GY
C977-BU
M990-OR
G879-OR
G844-PK
C983-WH
C984-YL
409-OR
G882-WH
C977-BU
INJECTOR 4
CLR-GA
GY-16
PU-16
BR-16
GN-16
BU-16
GY-16
YL-16
YL-16
OR-16
OR-16
WH-16
WH-16
SERVICE BRAKE PEDAL POSITION SWITCH #2 N/O
(PEDAL RELEASED POSITION)
CLUTCH PEDAL POSITION SWITCH N/C
H795-PK
(PEDAL RELEASED POSITION)
N/O MOMENTARY SWITCH
SERVICE BRAKE PEDAL POSITION SWITCH N/C
H795-PK
(PEDAL RELEASED POSITION)
INJECTOR 2
L902-GN
C975-WH
CRUISE CONTROL ON/OFF SWITCH
A-C7
GXL
GXL
GXL
GXL
GXL
GXL
GXL
GXL
FAST IDLE ENABLE SWITCH
H795-PK
INJECTOR 3
AWG
AWG
AWG
AWG
AWG
AWG
AWG
AWG
C978-BR
C979-OR
SET/RESUME SWITCH
A-C3
451-BR
10A
H795-PK
H795-PK
993-BR
F713-OR
450-YL
451-BR
450-YL
10A
C974-PU
C973-GN
C973-GN
SIGNAL-
10A
TO ALLISON AT/MT/HT SHIFT
MODULATOR FOR AUTOMATIC
TRANSMISSIONS
BK
RD
WH
B
A
C
ECM GND STRAP
TO ECM
MOUNTING
BOLT
E-C14
1552269
K995-OR
CLR-GA
E-C3
WIRE NAME POS
G828-E3
1
G829-E7
2
A746-E25
3
ACCESSORY TABLE
PART NAME
PLUG AS.
+5V
RETURN
SIGNAL
DATA LINK
FUEL PRESSURE SENSOR
276-9067
E-C2
WIRE NAME POS
G828-E2
1
G829-E8
2
A747-E10
3
ACCESSORY TABLE
PART NAME
PLUG AS.
A
B
C
SENSOR / ACTUATOR SUPPLY
KEY SLOTS
POSITIONED
AS SHOWN
E-C1
WIRE NAME
OR-18
YL-18
GN-18
C987-RD
E-C13
(-) BATTERY / SENSOR RETURN
CONTROL PLUS FROM ECM
CONTROL MINUS FROM ECM
E-C12
+5V
RETURN
SIGNAL
INJECTION ACTUATION
PRESSURE SENSOR
267-1402
A747-E10 GY-18
BK-18
BK-18
WH-18
BU-18
YL-18
G854-E45 PK-18
G855-E46 PU-18
E-C9
3E3370
STARTING CIRCUIT
G850-E9 BU-18
L985-E35 YL-18
L985-E34 YL-18
L985-E33 YL-18
G855-E46 PU-18
G854-E45 PK-18
1
2
1
E-S6
E-C15
1552269
(+) BATTERY
G828-E1 WH-18
G829-E5 GN-18
E-S5
E965-E37 BU-18
E966-E36 YL-18
A
B
E-C1
1607690
E-S4
L984-E30 OR-18
L984-E31 OR-18
L984-E32 OR-18
E-C13
1112416
SECONDARY(BOTTOM)
GY-18
PU-18
BR-18
GN-18
BU-18
GY-18
L983-E29 WH-18
L983-E28 WH-18
L983-E27 WH-18
E963-E39 BU-18
E964-E38 WH-18
A
B
ENGINE SPEED/TIMING SENSORS
236-6221
E-S2
(G829)
E-S7
(G850)
1
2
3
4
5
6
7
8
9
10
11
12
E-C12
1003320
PRIMARY(TOP)
E-S3
(G833)
A701-E21
A702-E22
A703-E23
A704-E24
A705-E40
A706-E41
INJECTOR
HARNESS
CONNECTOR
CYLINDER
INJECTOR #6
CYLINDER
INJECTOR #5
A-C5
1539693
E-C8
A-C4
1539693
INLET AIR
HEATER
CONNECTOR
A-C3
1539693
B
A
BOOST PRESSURE
SENSOR CONNECTOR
E-C3
CYLINDER
INJECTOR #4
CYLINDER
INJECTOR #3
CYLINDER
CYLINDER
INJECTOR #1 INJECTOR #2
A-C2
1539693
ENGINE COOLANT
TEMPERATURE SENSOR
CONNECTOR
E-C6
A705-A9 BU-16
G808-BU
G809-GN
G808-BU
G809-GN
G845-PU
H795-PK
C985-BU
C986-BR
G837-YL
1
2
H795-PK
C985-BU
C986-BR
COOLING FAN
SOLENOID
ARC
SUPPRESSOR
28
29
30
31
14
61
10
12
13
15
16
1
36
37
27
26
3
17
38
39
57
43
9
8
42
34
50
70
48
52
53
55
63
65
67
69
20
19
35
44
56
58
40
21
59
60
7
45
25
47
64
6
18
22
23
2
46
49
54
62
24
41
51
32
33
68
5
4
66
11
CHECK ENGINE LAMP
WARNING LAMP
OUTPUT #1
OUTPUT #9
OUTPUT #2
OUTPUT #3
OUTPUT #4
EXHAUST BRAKE ON/OFF SWITCH
SPEEDOMETER POSITIVE
SPEEDOMETER NEGATIVE
INPUT SENSOR COMMON #2
INPUT #14
TACHOMETER POSITIVE
TACHOMETER NEGATIVE
J1587 DATA LINK NEGATIVE
J1587 DATA LINK POSITIVE
J1939 DATA LINK SHIELD
J1939 DATA LINK NEGATIVE
J1939 DATA LINK POSITIVE
IGNITION KEY SWITCH
UNSWITCHED +BATTERY
UNSWITCHED +BATTERY
UNSWITCHED +BATTERY
UNSWITCHED +BATTERY
-BATTERY
-BATTERY
-BATTERY
-BATTERY
OUTPUT #7
OUTPUT #6
SET
RESUME
INPUT #1 (PTO ON/OFF SWITCH)
INPUT #2
INPUT #18
OUTPUT #8
CRUISE CONTROL ON/OFF SWITCH
INPUT #3
INPUT #4
SERVICE BRAKE PEDAL POSITION SWITCH
INPUT #5
INPUT #13
INPUT #6
INPUT SENSOR COMMON #1
CLUTCH PEDAL POSITION SWITCH
INPUT #19
+5V
INPUT #7
ENGINE COOLANT LEVEL NORMAL
ENGINE COOLANT LEVEL LOW
INPUT #12
INPUT #11
VEHICLE SPEED IN POSITIVE
VEHICLE SPEED IN NEGATIVE
INPUT #8 (REMOTE PTO ACCELERATOR)
AP SENSOR/SWITCH COMMON
+8V
ACCELERATOR PEDAL POSITION
OUTPUT #5