GM Service Manual Online
For 1990-2009 cars only
Figure 1:

RR of the Engine Compartment


Object Number: 1258722  Size: LF
(1)Fuse Block - Underhood
(2)Battery
Figure 2:

Instrument Panel


Object Number: 1252421  Size: MF
(1)Dimmer/Head Up Display (HUD) Switch
(2)Turn Signal/Multifunction Switch
(3)Inflatable Restraint Steering Wheel Module
(4)Instrument Panel Cluster (IPC)
(5)Air Temperature Sensor - Inside
(6)Windshield Wiper/Washer Switch
(7)Driver Information Center (DIC) Switch
(8)Hazard Switch
(9)CD Changer
(10)Valet Switch
(11)Inflatable Restraint I/P Module
(12)Inflatable Restraint I/P Module Disable Switch
(13)I/P Compartment Lamp
(14)Radio
(15)HVAC Control Module
(16)Cigar Lighter
(17)Courtesy Lamp Switch - Console
(18)Folding Top Switch
(19)Inflatable Restraint I/P Module Disable Switch LED
(20)Traction Control Switch
(21)Auxiliary Power Outlet
(22)Courtesy Lamp - Console
(23)Automatic Transmission Shift Lever
(24)Ignition Mode Switch
(25)Steering Wheel Controls - Right
(26)Horn Switch
(27)Data Link Connector (DLC)
(28)Steering Wheel Controls - Left
Figure 3:

Instrument Panel Harness


Object Number: 1361208  Size: LF
(1)DLC Connector
(2)C231
(3)C311
(4)Fuse Block - Underhood C3
(5)Fuse Block - Underhood C4
(6)C220
(7)Auxiliary Power Relay
(8)Splice Pack, SP208
(9)C180
(10)C600
(11)C602
(12)Splice Pack, SP202
(13)G202
(14)C380
(15)C382
(16)Splice Pack, SP302
(17)G302
(18)C482
(19)C480
(20)C455
(21)C437
(22)C433
(23)C435
(24)Splice Pack, SP301
(25)G301
(26)C377
(27)C375
(28)C379
(29)Splice Pack, SP201
(30)G201
(31)C501
(32)C503
Figure 4:

I/P Harness Routing - Engine Compartment and Lower Right Side of I/P


Object Number: 1442131  Size: LF
(1)Fuse Block Underhood C3
(2)Fuse Block Underhood C4
(3)C186 I/P to Forward Lamp Harness
(4)C180 I/P to Engine Harness
(5)C182 I/P to Engine Harness
(6)Engine compartment pass-through
(7)Body Control Module (BCM) C2
(8)Footwell Courtesy Lamp - RH
(9)HVAC Blower Control
(10)Body Control Module (BCM) C1
(11)Relay Block -- I/P
(12)Fuse Block -- I/P
(13)Body Control Module (BCM) C4
(14)Splice Pack SP208
(15)Audio Amplifier C2
(16)Audio Amplifier C1
(17)G104
Figure 5:

Forward Lamp Harness


Object Number: 1361150  Size: LF
(1)C120
(2)G102
(3)Splice Pack, SP102
(4)Fuse Block - Underhood C1
(5)C186
(6)C168
(7)C131
(8)Splice Pack, SP101
(9)G101
(10)C119
Figure 6:

Instrument Panel


Object Number: 1252421  Size: MF
(1)Dimmer/Head Up Display (HUD) Switch
(2)Turn Signal/Multifunction Switch
(3)Inflatable Restraint Steering Wheel Module
(4)Instrument Panel Cluster (IPC)
(5)Air Temperature Sensor - Inside
(6)Windshield Wiper/Washer Switch
(7)Driver Information Center (DIC) Switch
(8)Hazard Switch
(9)CD Changer
(10)Valet Switch
(11)Inflatable Restraint I/P Module
(12)Inflatable Restraint I/P Module Disable Switch
(13)I/P Compartment Lamp
(14)Radio
(15)HVAC Control Module
(16)Cigar Lighter
(17)Courtesy Lamp Switch - Console
(18)Folding Top Switch
(19)Inflatable Restraint I/P Module Disable Switch LED
(20)Traction Control Switch
(21)Auxiliary Power Outlet
(22)Courtesy Lamp - Console
(23)Automatic Transmission Shift Lever
(24)Ignition Mode Switch
(25)Steering Wheel Controls - Right
(26)Horn Switch
(27)Data Link Connector (DLC)
(28)Steering Wheel Controls - Left
Figure 7:

RR of the Engine Compartment


Object Number: 1258722  Size: LF
(1)Fuse Block - Underhood
(2)Battery