190-1020 WIRING GP-CAB S/N S2C164-186 PART OF 234-1620 CAB GP 325C EXCAVATOR

ELECTRICAL AND STARTING SYSTEM

WIRING GP

0. 190-1020 WIRING GP-
1. 190-1020 WIRING GP-
2. 222-7905 WIRING GP-
3. 222-7906 WIRING GP-
4. 275-7219 WIRING GP-
5. 170-6909 WIRING GP-
6. 220-2152 WIRING GP-
7. 222-4426 WIRING GP-
8. 190-5038 WIRING GP-
9. 224-5902 WIRING GP-
0. INFORMATION

EXCAVATOR 325C EXCAVATOR S2C
325C Material Handler S2C00001-UP (MACHINE) POWERED BY 3126 Engine SEBP3627 325C S2C (2001)

ELECTRICAL AND STARTING SYSTEM

WIRING GP

190-1020 WIRING GP-CAB

222-7905 WIRING GP-CAB RISER

222-7906 WIRING GP-CHASSIS

#SEBP36270220

190-1020: WIRING GP-CAB

WIRING GP-CAB

190-1020 WIRING GP-CAB
S/N S2C164-186
PART OF 234-1620 CAB GP

i02348712 SEBP3627

For full view, you need register

Parts for your 325C EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9W-1494	[1]	KIT-SERVICE METER (24-VOLT)
2.	9W-0335	[1]	LIGHTER AS-CIGAR (24-VOLT)
3.	4I-3064 E		GUARD (10CM)
4.	163-6795 C	[18]	STRAP-CABLE
5.	198-5959	[1]	HARNESS AS-CAB (CAB)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	155-2270	[1]	KIT-CONNECTING PLUG (2-PIN)
			(INCLUDES PLUG AS, INTERFACE SEAL & WEDGE)
6.	8T-6693 M	[2]	SCREW-MACHINE (M5X0.8X16-MM)
7.	8T-0328	[6]	WASHER-HARD (5.5X10X1-MM THK)
8.	163-6810	[1]	HARNESS AS-MONITOR
9.	7Y-5226 M	[2]	NUT (M5X0.8-THD)
10.	095-0736 M	[2]	SCREW-MACHINE (M5X0.8X10-MM)
11.	096-5962	[4]	WASHER-HARD (3.4X7X0.8-MM THK)
12.	163-6701	[1]	PANEL AS-CONTROL
13.	132-1829 Y	[1]	ALARM GP (24-VOLT)
14.	9X-2042 M	[1]	SCREW-TRUSS HEAD (M6X1X12-MM)
15.	163-6719	[1]	SWITCH AS-ROCKER (WINDOW WASHER)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
	167-3543	[4]	TERMINAL (MALE)
16.	7K-1181	[2]	STRAP-CABLE
17.	6V-9669 M	[2]	SCREW-MACHINE (M3X0.5X8-MM)
18.	3C-6969 M	[2]	NUT (M3X0.5-THD)
19.	167-3492	[1]	ANTENNA AS
	7Y-5285 M	[1]	SCREW AS (M4X0.7X8-MM)
	106-0035	[1]	ROD AS
20.	197-0393 M	[2]	BOLT-SOCKET HEAD
21.	163-6718	[1]	SWITCH AS-ROCKER (WINDOW WIPER)
	167-3543	[5]	TERMINAL (MALE)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
22.	163-6722	[1]	SWITCH AS-ROCKER (FINE SWING CONTROL)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
	167-3543	[5]	TERMINAL (MALE)
23.	247-5148 CY	[1]	SERVICE GP-MONITOR
24.	9X-2040 M	[2]	SCREW-TRUSS HEAD (M10X1.5X25-MM)
25.	163-6814	[1]	COVER (RH)
26.	163-6813	[1]	COVER (LH)
27.	8T-4970 M	[6]	BOLT (M6X1X14-MM)
28.	9X-8256 C	[18]	WASHER (6.6X12X2-MM THK)
29.	167-3441	[2]	LAMP GP-FLOOD (24-VOLT)
	9X-3463	[1]	LAMP-HALOGEN (24-VOLT, 70-WATT)
30.	8T-4190 M	[2]	BOLT (M16X2X25-MM)
31.	167-3437	[1]	BRACKET AS (LH)
32.	167-3456	[2]	HARNESS AS-LIGHTING (CAB FLOODLIGHT)
33.	8T-4199 M	[2]	BOLT (M8X1.25X12-MM)
34.	8T-4224	[2]	WASHER-HARD (8.8X16X2-MM THK)
35.	9X-8257	[2]	WASHER (17.5X30X3.5-MM THK)
36.	167-3438	[1]	BRACKET AS (RH)
37.	167-7083	[1]	SENSOR AS (SUNLIGHT FOR AIR CONDITIONER)
38.	8T-6411 CM	[8]	SCREW-MACHINE (M6X1X12-MM)
39.	217-2317 Y	[1]	CONTROL GP-HEAT & AIR COND (TEMPERATURE CONTROL)
	217-2318	[1]	CLIP
40.	169-5509	[1]	HARNESS AS-HEATER & AIR COND (TO KEYPAD, SUN SENSOR)
	102-8805	[1]	KIT-RECEPTACLE (6-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	155-2271	[1]	KIT-CONNECTING PLUG (4-PIN)
			(INCLUDES PLUG AS, INTERFACE SEAL & WEDGE
41.	163-6708	[1]	RADIO GP (AM/FM)
42.	3S-2093	[6]	STRAP-CABLE
43.	101-2846 E		GUARD (18CM)
44.	M	[8]	SCREW-PAN HEAD (M4X0.7X16-MM)
45.	6T-7695	[2]	SPEAKER AS-RADIO
46.	167-7023	[1]	BRACKET
47.	191-6905	[1]	COVER
48.	9X-2045 M	[1]	SCREW-TRUSS HEAD (M6X1X20-MM)
	C		CHANGE FROM PREVIOUS TYPE
	E		ORDER BY THE CENTIMETER
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP36270221

190-1020: WIRING GP-CAB

WIRING GP-CAB

190-1020 WIRING GP-CAB
S/N S2C187-UP
PART OF 234-1620 CAB GP

i02485741 SEBP3627

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Parts for your 325C EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9W-1494	[1]	KIT-SERVICE METER (24-VOLT)
2.	9W-0335	[1]	LIGHTER AS-CIGAR (24-VOLT)
3.	4I-3064 E		GUARD (10-CM)
4.	163-6795	[18]	STRAP-CABLE
5.	198-5959	[1]	HARNESS AS-CAB (CAB)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	155-2270	[1]	KIT-CONNECTING PLUG (2-PIN)
			(INCLUDES PLUG AS, INTERFACE SEAL & WEDGE)
6.	8T-6693 M	[2]	SCREW-MACHINE (M5X0.8X16-MM)
7.	8T-0328	[8]	WASHER-HARD (5.5X10X1-MM THK)
8.	163-6810	[1]	HARNESS AS-MONITOR
9.	7Y-5226 M	[2]	NUT (M5X0.8-THD)
10.	095-0736 M	[4]	SCREW-MACHINE (M5X0.8X10-MM)
11.	096-5962	[4]	WASHER-HARD (3.4X7X0.8-MM THK)
12.	163-6701	[1]	PANEL AS-CONTROL
13.	132-1829 Y	[1]	ALARM GP (24-VOLT)
14.	9X-2042 M	[1]	SCREW-TRUSS HEAD (M6X1X12-MM)
15.	163-6719	[1]	SWITCH AS-ROCKER (WINDOW WASHER)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
	167-3543	[4]	TERMINAL (MALE)
16.	7K-1181	[2]	STRAP-CABLE
17.	6V-9669 M	[2]	SCREW-MACHINE (M3X0.5X8-MM)
18.	3C-6969 M	[2]	NUT (M3X0.5-THD)
19.	167-3492	[1]	ANTENNA AS
	7Y-5285 M	[1]	SCREW AS (M4X0.7X8-MM)
	106-0035	[1]	ROD AS
20.	197-0393 M	[2]	BOLT-SOCKET HEAD
21.	163-6718	[1]	SWITCH AS-ROCKER (WINDOW WIPER)
	167-3543	[5]	TERMINAL (MALE)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
22.	163-6722	[1]	SWITCH AS-ROCKER (FINE SWING CONTROL)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
	167-3543	[5]	TERMINAL (MALE)
23.	260-2158 CY	[1]	MONITOR GP-OPERATOR
24.	9X-2040 M	[2]	SCREW-TRUSS HEAD (M10X1.5X25-MM)
25.	163-6814	[1]	COVER (RH)
26.	163-6813	[1]	COVER (LH)
27.	8T-4970 M	[6]	BOLT (M6X1X14-MM)
28.	9X-8256	[18]	WASHER (6.6X12X2-MM THK)
29.	167-3441	[2]	LAMP GP-FLOOD (24-VOLT)
	9X-3463	[1]	LAMP-HALOGEN (24-VOLT, 70-WATT)
30.	8T-4190 M	[2]	BOLT (M16X2X25-MM)
31.	167-3437	[1]	BRACKET AS (LH)
32.	167-3456	[2]	HARNESS AS-LIGHTING (CAB FLOODLIGHT)
33.	8T-4199 M	[2]	BOLT (M8X1.25X12-MM)
34.	8T-4224	[2]	WASHER-HARD (8.8X16X2-MM THK)
35.	9X-8257	[2]	WASHER (17.5X30X3.5-MM THK)
36.	167-3438	[1]	BRACKET AS (RH)
37.	167-7083	[1]	SENSOR AS (SUNLIGHT FOR AIR CONDITIONER)
38.	8T-6411 M	[8]	SCREW-MACHINE (M6X1X12-MM)
39.	217-2317 Y	[1]	CONTROL GP-HEAT & AIR COND (TEMPERATURE CONTROL)
	217-2318	[1]	CLIP
40.	169-5509	[1]	HARNESS AS-HEATER & AIR COND (TO KEYPAD, SUN SENSOR)
	102-8805	[1]	KIT-RECEPTACLE (6-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	155-2271	[1]	KIT-CONNECTING PLUG (4-PIN)
			(INCLUDES PLUG AS, INTERFACE SEAL & WEDGE
41.	163-6708	[1]	RADIO GP (AM/FM)
42.	3S-2093	[5]	STRAP-CABLE
43.	101-2846 E		GUARD (18-CM)
44.	M	[8]	SCREW-PAN HEAD (M4X0.7X16-MM)
45.	6T-7695	[2]	SPEAKER AS-RADIO
46.	167-7023	[1]	BRACKET
47.	191-6905	[1]	COVER
48.	9X-2045 M	[1]	SCREW-TRUSS HEAD (M6X1X20-MM)
	C		CHANGE FROM PREVIOUS TYPE
	E		ORDER BY THE CENTIMETER
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP36270222

222-7905: WIRING GP-CAB RISER

WIRING GP-CAB RISER

222-7905 WIRING GP-CAB RISER
S/N S2C1-UP
PART OF 211-2137 RISER AR-CAB

i01789989 SEBP3627

2227905 WIRING GP-CAB RISER Parts scheme

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Parts for your 325C EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8T-4137 M	[15]	BOLT (M10X1.5X20-MM)
2.	8T-4121	[23]	WASHER-HARD (11X21X2.5-MM THK)
3.	111-4838	[10]	CLIP
4.	111-4839	[10]	STRAP
5.	222-7904	[1]	HARNESS AS
	102-8805	[1]	KIT-RECEPTACLE (6-PIN)
	102-8801	[1]	KIT-RECEPTACLE (12-PIN)
			(EACH RECEPTACLE KIT INCLUDES RECEPTACLE AS & WEDGE)
	155-2255	[1]	KIT-CONNECTING PLUG (12-PIN)
	155-2270	[1]	KIT-CONNECTING PLUG (2-PIN)
			( EACH CONNECTING PLUG KIT INCLUDES PLUG AS, INTERFACE SEAL & WEDGE)
6.	5C-7883 M	[4]	BOLT-SOCKET HEAD (M6X1X16-MM)
7.	9X-8256	[4]	WASHER (6.6X12X2-MM THK)
8.	163-6786	[1]	BRACKET
9.	8T-4191 M	[5]	BOLT (M10X1.5X16-MM)
10.	116-0118	[4]	CLIP
11.	128-8886	[1]	STRAP AS-GROUND
12.	145-0603	[1]	GROMMET
13.	5I-4366	[1]	GROMMET
14.	151-6667	[1]	SUPPORT AS
	8T-3490 M	[1]	NUT-WELD (M10X1.5-THD)
15.	8T-4136 M	[3]	BOLT (M10X1.5X25-MM)
16.	139-2118	[1]	SWITCH AS-TOGGLE (ENGINE SHUTDOWN)
	3E-3365	[1]	WEDGE-RECEPTACLE LOCK (2-PIN)
	6T-3631	[2]	NUT-HEX (15/32-32-THD)
	6T-3632	[1]	LOCKWASHER
	6T-3633	[1]	RING-LOCKING
	8T-8729	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
17.	231-4502	[1]	GUARD
18.	204-1771	[1]	PLATE
19.	109-0361	[1]	FILM-INSTRUCTION (ENGINE SHUTDOWN)
20.	111-4837	[3]	CLIP
	M		METRIC PART

#SEBP36270223

222-7906: WIRING GP-CHASSIS

WIRING GP-CHASSIS

222-7906 WIRING GP-CHASSIS
S/N S2C1-UP
PART OF 211-1669 CHASSIS AR

i01788733 SEBP3627

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Parts for your 325C EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3S-2093	[16]	STRAP-CABLE
2.	222-4428	[1]	HARNESS AS
	102-8801	[1]	KIT-RECEPTACLE (12-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	155-2265	[1]	KIT-CONNECTING PLUG (8-PIN)
	155-2270	[1]	KIT-CONNECTING PLUG (2-PIN)
			(EACH CONNECTING PLUG KIT INCLUDES PLUG AS, INTERFACE SEAL & WEDGE)

#SEBP36270224

275-7219: WIRING GP-COLD WEATHER

WIRING GP-COLD WEATHER

275-7219 WIRING GP-COLD WEATHER -COOLING CIRCUIT, HYDRAULIC OIL
S/N S2C1-UP
PART OF 275-3769 COOLING AR

i02509137 SEBP3627

2757219 WIRING GP-COLD WEATHER Parts scheme

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Parts for your 325C EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	275-7220	[1]	HARNESS AS-WIRING (FLOW CONTROL)
	155-2270	[1]	KIT-CONNECTING PLUG (2-PIN)
			(INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
2.	7K-1181	[29]	STRAP-CABLE
3.	4P-7581	[1]	CLIP (LADDER)
4.	204-1611	[4]	STRAP (DUAL)
5.	4P-7429	[1]	CLIP (LADDER)

#SEBP36270225

170-6909: WIRING GP-CONSOLE

WIRING GP-CONSOLE

170-6909 WIRING GP-CONSOLE -LH
S/N S2C1-UP
PART OF 220-2152 WIRING GP-CONSOLE

i01354517 SEBP3627

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Parts for your 325C EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	170-6959	[1]	HARNESS AS-OPERATOR CONTROLS (CONSOLE)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
	102-8805	[2]	KIT-RECEPTACLE (6-PIN)
			(EACH RECEPTACLE KIT INCLUDES RECEPTACLE AS & WEDGE)
	155-2274	[2]	KIT-CONNECTING PLUG (6-PIN)
			(INCLUDES PLUG AS, INTERFACE SEAL & WEDGE)
2.	7K-1181 B	[1]	STRAP-CABLE
3.	163-6795	[1]	STRAP-CABLE
4.	3S-2093 B	[2]	STRAP-CABLE
	B		USE AS REQUIRED

#SEBP36270226

220-2152: WIRING GP-CONSOLE

WIRING GP-CONSOLE

220-2152 WIRING GP-CONSOLE
S/N S2C1-UP
PART OF 213-4883 OPERATOR AR

i01790497 SEBP3627

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Parts for your 325C EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
170-6909 Y	[1]	WIRING GP-CONSOLE (LH)
222-4426 Y	[1]	WIRING GP-CONSOLE (RH)
Y		SEPARATE ILLUSTRATION

#SEBP36270227

222-4426: WIRING GP-CONSOLE

WIRING GP-CONSOLE

222-4426 WIRING GP-CONSOLE -RH
S/N S2C1-UP
PART OF 220-2152 WIRING GP-CONSOLE

i01790506 SEBP3627

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Parts for your 325C EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	163-6795	[1]	STRAP-CABLE
2.	6V-5738 BD		TRIM-EDGE
3.	163-6710	[1]	SWITCH AS-TOGGLE (ONE TOUCH LOW IDLE)
4.	163-6711	[1]	SWITCH AS-TOGGLE (AEC)
5.	222-4427	[1]	HARNESS AS
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
	102-8805	[1]	KIT-RECEPTACLE (6-PIN)
	102-8801	[1]	KIT-RECEPTACLE (12-PIN)
			(EACH RECEPTACLE KIT INCLUDES RECEPTACLE AS & WEDGE)
	155-2255	[1]	KIT-CONNECTING PLUG (12-PIN)
	155-2270	[1]	KIT-CONNECTING PLUG (2-PIN)
	155-2271	[1]	KIT-CONNECTING PLUG (4-PIN)
	155-2274	[1]	KIT-CONNECTING PLUG (6-PIN)
			(EACH CONNECTING PLUG KIT INCLUDES PLUG AS, INTERFACE SEAL & WEDGE)
6.	9G-7641 Y	[1]	SWITCH GP-START (ENGINE, KEY)
7.	163-6702	[1]	PANEL AS
	170-9324	[1]	LAMP AS-INDICATOR (24-VOLT, 3-WATT)(3 WATT)
8.	185-9208	[1]	KNOB AS
9.	106-0107 Y	[1]	SWITCH GP-ROTARY (THROTTLE)
10.	170-6828	[1]	HARNESS AS-SWITCH (ENGINE START)
11.	119-5026	[4]	SCREW-PAN HEAD (10-16X0.63-IN)
12.	3S-2093	[3]	STRAP-CABLE
13.	7K-1181	[1]	STRAP-CABLE
14.	146-0238	[1]	SWITCH AS-TOGGLE (GRAPPLE OR MAGNET)
	3L-8187	[12]	LOCKWASHER
	6T-3631	[2]	NUT-HEX (15/32-32-THD)
	6T-3632	[1]	LOCKWASHER
	6T-3633	[1]	RING-LOCKING
	6V-8374	[12]	SCREW-MACHINE (6-32X0.25-IN)
15.	204-4559	[1]	PLATE AS
	204-4560	[1]	FILM (MATERIAL HANDLER)
	B		USE AS REQUIRED
	D		ORDER BY THE METER
	Y		SEPARATE ILLUSTRATION

#SEBP36270228

190-5038: WIRING GP-ENGINE

WIRING GP-ENGINE

190-5038 WIRING GP-ENGINE
S/N 5GG1-UP
HIGH SIDE ACTIVATION OF STARTING AID HEATER RELAY
PART OF 201-4205 ENGINE AR-COMPLETE

i01420754 SEBP3627

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Parts for your 325C EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3S-2093	[14]	STRAP-CABLE
2.	105-1797	[6]	MOUNT
3.	153-8920	[1]	HARNESS AS-ENGINE (UNIT INJECTOR)
	6N-7523	[1]	WASHER (6.48X11.9X1.57-MM THK)
	9X-3402	[12]	SOCKET-CONNECTOR (16-GA TO 18-GA)
			-OR-
	126-1768	[12]	SOCKET-CONNECTOR (14-GA TO 16-GA)
	135-5975	[1]	GROMMET-WIRING
	155-2255	[1]	KIT-CONNECTING PLUG (12-PIN)
			(INCLUDES PLUG AS, INTERFACE SEAL & WEDGE)
4.	156-6175	[2]	CLIP (LADDER)
5.	195-7336 Y	[1]	HARNESS AS-ENGINE (ELECTRONIC CONTROL)
6.	8T-4191 M	[1]	BOLT (M10X1.5X16-MM)
7.	113-8690	[1]	WASHER (11.1X37.9X3.3-MM THK)
8.	7X-7729	[1]	WASHER (11X25X3-MM THK)
9.	6V-5217 M	[1]	BOLT (M8X1.25X20-MM)
10.	5P-4116	[1]	WASHER-HARD (8.8X20.5X2-MM THK)
11.	156-9890	[1]	WASHER (9X30X4-MM THK)
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP36270229

224-5902: WIRING GP-HYDRAULIC GENERATOR

WIRING GP-HYDRAULIC GENERATOR

224-5902 WIRING GP-HYDRAULIC GENERATOR
S/N S2C1-UP
PART OF 211-1681, 243-0661, 243-0662 GENERATOR AR-HYDRAULIC
AN ATTACHMENT

i01809340 SEBP3627

2245902 WIRING GP-HYDRAULIC GENERATOR Parts scheme

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Parts for your 325C EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	224-5901	[1]	WIRE AS
2.	145-8937	[1]	WIRE AS
3.	096-0061	[11]	STRAP-CABLE

Information:

ELECTRICAL AND STARTING SYSTEM

WIRING GP

Engine News

270-5051 Repair Kit (Electrical Connectors) Available for Repairs to Wiring Harnesses with Ampseal 16 and A4E 2 Connectors {0709, 1408}
2006/03/20

Bulk Wiring Harnesses Are Available for Use with Caterpillar Products {1408}
2010/05/13

Special Instruction

Cross-Reference for Electrical Connectors {7553}
Cross-Reference for Electrical Connectors {7553}

Circuit Breaker Harness Assembly {1420}
Circuit Breaker Harness Assembly {1420}

Service Of Machined Terminals And Service of Stamped and Formed Terminals{7553}
Service Of Machined Terminals And Service of Stamped and Formed Terminals{7553}

Installation and Operation of the Exhaust Monitor Used in All Diesel Particulate Filter (DPF) Retrofit Emissions Applications{1091, 1408, 7490, 7498}
Installation and Operation of the Exhaust Monitor Used in All Diesel Particulate Filter (DPF) Retrofit Emissions Applications{1091, 1408, 7490, 7498}

Specifications

Electronic Control Wiring Group
3126B Engine for Caterpillar Built Machines

Tool Operating Manual

Using the 362-3555 Connector Repair Kit to Service Harnesses with Ampseal 16 Connectors{0685, 1408}
Using the 362-3555 Connector Repair Kit to Service Harnesses with Ampseal 16 Connectors{0685, 1408}

Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{7553}
Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{7553}

Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{0374, 0599, 0701, 0709}
Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{0374, 0599, 0701, 0709}

Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}
Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}

Testing and Adjusting

Electric Starting System - Test
3126B Engines

Troubleshooting

CID 0168 FMI 02 System Voltage intermittent/erratic
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

CID 0168 FMI 01 System Voltage Low
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

CID 0168 FMI 00 System Voltage High
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

CID 0291 FMI 05 Engine Cooling Fan Solenoid open circuit
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

CID 0291 FMI 06 Engine Cooling Fan Solenoid short to ground
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

Electrical Connectors - Inspect
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

CID 0100 FMI 03 Engine Oil Pressure open/short to +batt
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

CID 0100 FMI 04 Engine Oil Pressure short to ground
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

CID 0172 FMI 03 Intake Manifold Air Temp open/short to +batt
3126B Engine for Caterpillar Built Machines

CID 0172 FMI 04 Intake Manifold Air Temp short to ground
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

CID 0262 FMI 04 5 Volt Sensor DC Power Supply short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0273 FMI 03 Turbo Outlet Pressure open/short to +batt
3126B Engine for Caterpillar Built Machines

CID 0273 FMI 04 Turbo Outlet Pressure short to ground
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

CID 0274 FMI 03 Atmospheric Pressure open/short to +batt
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0274 FMI 04 Atmospheric Pressure short to ground
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

CID 0041 FMI 04 8 Volt DC Supply short to ground
3126B Engine for Caterpillar Built Machines

CID 0248 FMI 09 Cat Data Link not communicating
3126B Engine for Caterpillar Built Machines

CID 0091 FMI 08 Throttle Position signal abnormal
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

CID 0548 FMI 06 Throttle Lock Lamp short
3126B Engine for Caterpillar Built Machines

CID 0548 FMI 05 Throttle Lock Lamp open circuit
3126B Engine for Caterpillar Built Machines

CID 0042 FMI 11 Inject Actuation Control Valve open/short
3126B Engine for Caterpillar Built Machines

CID 0094 FMI 03 Fuel Pressure open/short to +batt
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

CID 0094 FMI 04 Fuel Pressure short to ground
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

CID 0110 FMI 03 Engine Coolant Temperature open/short to +batt
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0110 FMI 04 Engine Coolant Temperature short to ground
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

CID 0164 FMI 00 High Injector Actuation Pressure
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

CID 0164 FMI 03 Injector Actuation Pressure voltage high
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

CID 0175 FMI 03 Engine Oil Temperature open/short to +batt
3126B Engine for Caterpillar Built Machines

CID 0175 FMI 04 Engine Oil Temperature short to ground
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

CID 0267 FMI 02 Incorrect Engine Shutdown Switch inputs
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

CID 0600 FMI 03 Hydraulic Oil Temperature open/short to +batt
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

CID 0600 FMI 04 Hydraulic Oil Temperature short to ground
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

CID 0041 FMI 03 8 Volt DC Supply short to +batt
3126B Engine for Caterpillar Built Machines

How To Use the Functional Tests
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

Sensors and Electrical Connectors
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0091 FMI 08 Throttle Position signal abnormal
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0164 FMI 11 Injector Actuation Pressure system fault
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0190 FMI 02 Loss of Engine Speed Signal
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0190 FMI 11 Engine Speed Sensor mechanical failure
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

CID 0617 FMI 05 Air Inlet Heater Relay open/current below normal
3126B Engine for Caterpillar Built Machines

CID 1627 FMI 05 Fuel Pump Relay open circuit
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 1627 FMI 06 Fuel Pump Relay short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

5 Volt Engine Pressure Sensor Supply Circuit - Test
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

Cat Data Link Circuit - Test
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

Engine Speed/Timing Sensor Circuit - Test
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

Injection Actuation Pressure Control Valve Circuit - Test
3126B Engine for Caterpillar Built Machines

Throttle Switch Circuit - Test
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Low Engine Oil Pressure Lamp Circuit - Test
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Air Inlet Heater Circuit - Test
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

Throttle Position Sensor Circuit - Test
3126B Engine for Caterpillar Built Machines

Digital Sensor Supply Circuit - Test
3126B Engine for Caterpillar Built Machines

Electrical Power Supply Circuit - Test
3126B Engine for Caterpillar Built Machines

CID 0290 FMI 03 Engine Fan Pump Pressure open/short to +batt
3126B Engine for Caterpillar Built Machines

CID 0290 FMI 04 Engine Fan Pump Pressure short to ground
3126B Engine for Caterpillar Built Machines

Engine Fan Control Solenoid Circuit - Test
3126B Engine for Caterpillar Built Machines

Throttle Lock Switch Circuit - Test
3126B Engine for Caterpillar Built Machines

Throttle Lock Lamp Circuit - Test
3126B Engine for Caterpillar Built Machines

Digital Sensor Supply Circuit - Test
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

Throttle Position Sensor Circuit - Test
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

Electrical Power Supply Circuit - Test
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

Fuel Pump Relay Circuit - Test
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 1582 FMI 03 Trans Lube Oil Temp Sensor open/short to +batt
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

CID 1582 FMI 04 Trans Lube Oil Temp Sensor short to ground
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

CID 1589 FMI 03 Turbo Inlet Air Pressure Sensor open/shrt to +bat
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

Air Filter Restriction Lamp - Test
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

Engine Shutdown Switch Circuit - Test
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

Engine Fan Control Solenoid Circuit - Test
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

CID 0617 FMI 05 Air Inlet Heater Relay open/current below normal
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

CID 0617 FMI 06 Air Inlet Heater Relay grounded/current above norm
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

Sensors and Electrical Connectors
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

CID 0342 FMI 03 Secondary Engine Speed open/short to +batt
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

Engine Shutdown Switch Circuit - Test
3126B Engine for Caterpillar Built Machines

Engine Fan Reversing Solenoid Circuit - Test
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

CID 0164 FMI 02 Injector Actuation Pressure signal erratic
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

CID 0342 FMI 02 Loss of Secondary Engine Speed signal
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Air Inlet Heater Circuit - Test
3126B Engine for Caterpillar Built Machines

CID 0164 FMI 04 Injector Actuation Pressure voltage low
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

Engine Pressure Sensor Open or Short Circuit - Test
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0342 FMI 11 Secondary Engine Speed Sensor mechanical failure
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

Cat Data Link Circuit - Test
3126B Engine for Caterpillar Built Machines

Sensors and Electrical Connectors
3126B Engine for Caterpillar Built Machines

5 Volt Engine Pressure Sensor Supply Circuit - Test
3126B Engine for Caterpillar Built Machines

Engine Pressure Sensor Open or Short Circuit - Test
3126B Engine for Caterpillar Built Machines

Sensors and Electrical Connectors
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

Analog Sensor Supply Circuit - Test
3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader

CID 0485 FMI 03 Engine Fan Rev Solenoid short to +batt
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

CID 0485 FMI 04 Engine Fan Rev Solenoid short to ground
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

Engine Wiring Information
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

CID 0262 FMI 03 5 Volt Sensor DC Power Supply short to +batt
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

CID 1589 FMI 04 Turbo Inlet Air Pressure Sensor short to ground
3126B Engines for the IT62G Series II Integrated Toolcarrier and for the 950G Series II and 962G Series II Wheel Loaders

CID 0617 FMI 06 Air Inlet Heater Relay grounded/current above norm
3126B Engine for Caterpillar Built Machines

Service Magazine

Dielectric Grease Should Not Be Used in Electrical Connectors {1408, 7553}
2012/05/04

Service of the Machined Terminals and the Stamped and Formed Terminals {7553}
2006/11/13

Updated Instruction For The Bypass Harness {0785, 1408}
2008/03/17

Bulk Wiring Harnesses Are Available for Use with Caterpillar Products {1408}
2012/03/05

Striped Wire Is Replaced With Improved Ink Jet Identification for Legacy (Parts Service) Wire harnesses {1408}
2012/06/08

Use Conductive Fasteners for Electrical Grounding on All Cat Products {7553, 7556}
2012/05/08

Information On Battery Cables and Wire Assemblies for Assembling at Dealer Site {4459}
2012/09/21