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

Exterior Lamps


Object Number: 793469  Size: LF
(1)Left Headlamp High Beam
(2)Left Headlamp Low Beam
(3)Left Front Park /Turn Signal Lamp
(4)Left Cornering Lamp
(5)Left Front Marker Lamp
(6)Left Fog Lamp
(7)Right Cornering Lamp
(8)Right Front Park/Turn Signal Lamp
(9)Right Headlamp Low Beam
(10)Right Headlamp High Beam
(11)Right Fog Lamp
(12)Right Front Marker Lamp
(13)Right Tail/Stop and Turn Signal Lamp
(14)Right Rear Marker Lamp
(15)Center High Mounted Stop Lamp (CHMSL)
(16)Right Backup Lamp
(17)License Lamp
(18)Left Backup Lamp
(19)Left Tail/Stop and Turn Signal Lamp
(20)Left Rear Marker Lamp
Figure 2:

Underhood Lamp


Object Number: 793637  Size: MF
(1)Underhood Lamp
Figure 3:

Interior Lights


Object Number: 800254  Size: LF
(1)Left Footwell Courtesy Lamp
(2)Right Footwell Courtesy Lamp
(3)Right Vanity Mirror (Left Side Similar)
(4)RF Courtesy/Reading Lamp Switch (LF Similar)
(5)RF Courtesy/Reading Lamp (LF Similar)
(6)RR Courtesy/Reading Lamp Switch (LR Similar)
(7)RR Courtesy/Reading Lamp (LR Similar)
Figure 4:

Passenger Compartment, in the Center of the I/P


Object Number: 798940  Size: LF
(1)Valet Switch
(2)I/P Compartment Lamp
(3)Traction Control Switch
(4)Driver Information Center (DIC)
(5)Heated Seat Switch Front Passenger
(6)Electronic PRNDL
(7)Heated Seat Switch Driver
(8)HVAC Cotrol Module
(9)Radio
Figure 5:

Below the Instrument Panel Cluster (IPC), Left of the Steering Column


Object Number: 321369  Size: LF
(1)Turn Signal Flasher Module
Figure 6:

Passenger Compartment, at the Base of the Steering Column


Object Number: 321372  Size: LF
(1)Headlamp Dimmer Switch
(2)Ignition Switch
(3)Shift Interlock Actuator (w/ Column Shift) (Hidden)
(4)Lower Steering Column Bracket
(5)Steering Column
Figure 7:

Instrument Panel Cluster (IPC), Below the Steering Column


Object Number: 321377  Size: LF
(1)S225
(2)S226
(3)Brake Pedal
(4)Stop Lamp/ AT Shift Lock Control Switch
(5)Stop Lamp Switch
(6)Steering Column Support Bracket
Figure 8:

Passenger Compartment, in the Steering Column


Object Number: 321374  Size: LF
(1)Ignition Lock Cylinder
(2)Inflatable Restraint Steering Wheel Module Coil
(3)Multifunction Lever
(4)Windshield Wiper Switch
(5)Steering Column
(6)Turn/Hazard Switch-Hidden
Figure 9:

Instrument Panel Cluster (IPC), In the Upper Trim Pad


Object Number: 321378  Size: LF
(1)Defroster Grill
(2)Ambient Light Sensor
(3)Sunload Sensor
Figure 10:

Under the I/P, Right of the Steering Column


Object Number: 792662  Size: MF
(1)Hazard Flasher
Figure 11:

Rear of the Right Front Door


Object Number: 341335  Size: LF
(1)Door Lock Actuator - Front Passenger , Rest Similar
(2)Door Latch Assembly
(3)Door Lock Actuator - Front Passenger (C2) ,Rest Similar
Figure 12:

Instrument Panel Cluster (IPC) Wiring Harness


Object Number: 321362  Size: MF
(1)Inflatable Restraint I/P Module
(2)Headlamp Switch
Figure 13:

Rear Compartment Lid


Object Number: 794515  Size: MF
(1)Rear Compartment Lamp