GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2008 🢒 H2 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Harness Routing Views
Figure 1:

Forward Lamp
Object Number: 1968300 Size: LF
(1)G106
(2)X107 (CHW)
(3)X103
(4)J108
(5)J100
(6)G100
(7)G101
(8)J101
(9)J107
Figure 2:

Engine - Front
Object Number: 1968312 Size: LF
(1)X100
(2)X120
(3)G102
(4)G103
Figure 3:

Engine - Left Rear
Object Number: 1968303 Size: LF
(1)J102
(2)J130
(3)J103
(4)X158
(5)G104
(6)X148
Figure 4:

Engine Harness - Middle Underbody
Object Number: 1968308 Size: LF
(1)Automatic Transmission
(2)X315
Figure 5:

Fuel System Components
Object Number: 2059062 Size: LF
(1)Fuel Pump Flow Control Module
(2)Fuel Pressure Sensor
(3)Evaporative Emission (EVAP) Canister
(4)Fuel Tank Pressure (FTP) Sensor
(5)Fuel Pump and Sender Assembly
(6)Evaporative Emission (EVAP) Canister Vent Solenoid Valve
(7)Fuel Tank
Figure 6:

Instrument Panel Harness - Engine Compartment
Object Number: 1968322 Size: LF
(1)Instrument Panel Harness
(2)X110
(3)Fuse Block - Stud 2 Ring Terminal
(4)X107 (CHW)
(5)X103
(6)X104
(7)X100
(8)X111
Figure 7:

Chassis Harness - Front Engine Compartment
Object Number: 1968407 Size: LF
(1)X104
(2)Air Suspension Relay (ZM6)
(3)G300
(4)Trailer Power
(5)X111
Figure 8:

Wiper Extension Harness - Rear Engine Compartment
Object Number: 1968326 Size: LF
(1)Hood Ajar Switch Connector
(2)Windshield Wiper Motor Connector
(3)X110
Figure 9:

Instrument Panel Harness - Left Passenger Compartment
Object Number: 1968329 Size: LF
(1)JX205
(2)X205
(3)X201
(4)X200
(5)X500
(6)G200
(7)X208
(8)JX206
Figure 10:

Instrument Panel Harness - Right Passenger Compartment
Object Number: 1968332 Size: LF
(1)G203
(2)X290
(3)X235 (COAX)
(4)X298
(5)X296
(6)X295
(7)X600
(8)X350
Figure 11:

Instrument Panel Harness - Splices
Object Number: 1968335 Size: LF
(1)J215
(2)J231
(3)J203
(4)J217
(5)J278
(6)J225
(7)J230
(8)J220
(9)J221
(10)J222
(11)J237
(12)J205
(13)J204
(14)J234
(15)J214
(16)J232
(17)J233
Figure 12:

Steering Column
Object Number: 1968402 Size: LF
(1)X201
(2)X207
Figure 13:

Floor Console
Object Number: 1968404 Size: LF
(1)X320
(2)J351
(3)J352
(4)X334
(5)X350
Figure 14:

Body Harness - Left Passenger Compartment
Object Number: 1968341 Size: LF
(1)X500
(2)JX207
(3)X200
(4)X207
(5)X208
(6)X320
(7)X303
(8)G302
(9)X700
Figure 15:

Body Harness - Right Passenger Compartment
Object Number: 1968367 Size: LF
(1)X296
(2)X290
(3)X298
(4)X295
(5)X600
(6)X800
(7)G306
(8)X305
(9)G301
Figure 16:

Rear Doors
Object Number: 1968501 Size: LF
(1)Left Rear Door
(2)X700
(3)X800
(4)Right Rear Door
Figure 17:

Front Doors
Object Number: 1968499 Size: LF
(1)Driver Door
(2)X500
(3)Passenger Door
(4)J600
(5)X600
Figure 18:

Roof Marker Harness
Object Number: 1968442 Size: LF
(1)J303
(2)J345
(3)X235 (COAX)
Figure 19:

Headliner/Rear Dome Lamp Harness
Object Number: 1968436 Size: LF
(1)Headliner
(2)X304
(3)Sunshade - Left Connector
(4)J301
(5)J300
(6)X204
Figure 20:

Midgate Harness (SUT)
Object Number: 1968453 Size: LF
(1)J336
(2)J338
(3)J339
(4)X300
(5)J334
(6)J337
(7)J335
Figure 21:

Body Harness - Left Rear Cargo Area
Object Number: 1968378 Size: LF
(1)X900 (SUV)
(2)X406 (SUV)
(3)X308
Figure 22:

Body Harness - Right Rear Cargo Area
Object Number: 1968374 Size: LF
(1)X307
(2)X408 (SUV)
(3)G410 (SUV)
Figure 23:

Body Harness - Splices
Object Number: 1968398 Size: LF
(1)J410 (SUV)
(2)Body Harness (SUV)
(3)J411
(4)J333
(5)J332
(6)Body Harness (SUT)
(7)J320 (SUT)
(8)J411 (SUT)
(9)J340 (SUT)
(10)J341
(11)J342
(12)J310
Figure 24:

Cargo Box Harness (SUT)
Object Number: 1968429 Size: LF
(1)Midgate
(2)X402
(3)X400
Figure 25:

Body Harness - Left Rear Passenger Compartment (SUT)
Object Number: 1968384 Size: LF
(1)Midgate
(2)X300
(3)G403
(4)X308
Figure 26:

Chassis Harness - Rear Frame
Object Number: 1968411 Size: LF
(1)X411
(2)G401
(3)X450 (ZM6)
(4)X451 (ZM6)
(5)G402
(6) X315
(7)Data Link Resistor
(8)X402(SUT)
(9)X400 (SUT)
(10)G304
(11)X401
(12)X412
(13)G405
(14)Rearview Camera (UVC)
Figure 27:

Chassis Harness - Splices
Object Number: 1968413 Size: LF
(1)J355
(2)J110
(3)J356
(4)J406
(5)J407
(6)J405
(7)J403
(8)J404
(9)J360
(10)J358
Figure 28:

License Lamp Jumper Harness
Object Number: 1968495 Size: LF
(1)X401
(2)Spare Tire Carrier