GM Service Manual Online
For 1990-2009 cars only

Figure 1:

Forward Lamp Wiring Components 1 of 2


Object Number: 1424992  Size: LF
(1)Turn Signal Repeater Lamp - Left (T90)
(2)Shock Absorber Actuator - Left Front (F55)
(3)G101
(4)X119
(5)Side Marker Lamp - Left Front
(6)Fog Lamp - Left Front
(7)Inflatable Restraint Front End Sensor - Left
(8)Inflatable Restraint Front End Sensor - Right
(9)Ambient Air Temperature Sensor
(10)X131
(11)Horn Assembly
(12)Fog Lamp - Right Front
(13)J102
(14)X120
(15)Side Marker Lamp - Right Front
(16)G102
(17)Shock Absorber Actuator - Right Front (F55)
(18)Hood Ajar Switch (UA2)
(19)Fuse Block - Underhood X1
(20)Turn Signal Repeater Lamp - Right (T90)
Figure 2:

Instrument Panel Harness - Engine Compartment


Object Number: 1863932  Size: LF
(1)X116
(2)X180
(3)X182
(4)G104
(5)Fuse Block - Underhood X3
(6)Fuse Block - Underhood X4
Figure 3:

Engine Harness Components 1 of 3


Object Number: 2031906  Size: LF
(1)X139
(2)Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
(3)Manifold Absolute Pressure (MAP) Sensor
(4)Throttle Body
(5)Evaporative Emission (EVAP) Canister Purge Valve
(6)A/C Compressor Clutch
(7)X160
(8)Suspension Position Sensor - Right Front
(9)Fuse Block - Underhood X2
(10)Engine Control Module (ECM) X2
(11)Engine Control Module (ECM) X1
(12)X184
(13)X182
(14)X180
(15)X186
(16)Engine Oil Level and Temperature Sensor (LS3)
(17)Crankshaft Position (CKP) Sensor
(18)Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
(19)Fusible Link
(20)G106
(21)Starter Solenoid
(22)Starter Motor
(23)Knock Sensor (KS) 2
Figure 4:

Engine Harness Components 2 of 3


Object Number: 1430049  Size: LF
(1)Generator X1
(2)X140
(3)Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
(4)G107
(5)Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
(6)Knock Sensor (KS) 1
(7)G105
(8)Wheel Speed Sensor (WSS) - Left Front
(9)Suspension Position Sensor - Left Front (FE2)
(10)Camshaft Position (CMP) Sensor
(11)Variable Effort Steering Actuator
(12)J195
(13)Electronic Brake Control Module (EBCM)
(14)Brake Fluid Pressure Sensor
(15)Generator X2
Figure 5:

Instrument Panel Harness - Near the Passenger Floor


Object Number: 1863933  Size: LF
(1)J217
(2)Relay Block - Instrument Panel
(3)G202
(4)J234
(5)J202
(6)JX208
Figure 6:

Rear Body and Overhead Console (CO5/CM7)


Object Number: 1442143  Size: LF
(1)X382
(2)G302
(3)X380
(4)Door Latch - Driver
(5)Folding Top Stowage Compartment Lid Latch Pull Down Actuator (CM7)
(6)Rear Compartment Courtesy Lamp - Right
(7)X455
(8)X433 (CM7)
(9)Rear Compartment Lid Latch
(10)Keyless Entry Antenna - Rear Compartment
(11)Rear Compartment Courtesy Lamp - Left
(12)Fuel Door Release Switch
(13)Door Latch - Passenger
(14)G301
(15)X377
(16)X379 (AAB)
(17)X375
Figure 7:

Rear Body and Overhead Console (Except CO5/CM7)


Object Number: 1442139  Size: LF
(1)X382
(2)X380
(3)G302
(4)Door Latch - Passenger
(5)Keyless Entry Antenna - Rear Compartment
(6)Rear Window Defogger Grid X2
(7)Rear Compartment Courtesy Lamp - Right
(8)X455
(9)Rear Compartment Lid Latch
(10)Rear Compartment Courtesy Lamp - Left
(11)Fuel Door Release Switch
(12)Rear Window Defogger Grid X1
(13)G301
(14)X377
(15)X379 (AAB)
(16)X375
Figure 8:

G401 and G402


Object Number: 1491963  Size: LF
(1)Fuel Tank-Right
(2)G402
(3)G401