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

Lamp Controls and Courtesy, I/P Compartment, Sunshades, and Inside Rearview Mirror Lamps


Object Number: 2075821  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
Door and Rear Compartment Courtesy Lamps
CLSTR/HUD, DECK LID CLOSE/PARK/BRK B, DR LOCKS, INTERIOR LIGHTS, HVAC/PWR SND, ISRVM/HVAC, TUTD SW STRG COL SW Fuses, and RUN/CRANK Relay
Indicators, Messages, and Ajar/Open/Lock Switches
Power, Ground, and Class 2
Door and Rear Compartment Courtesy Lamps
Messages
G202 1 of 2
G202 1 of 2
Figure 2:

Door and Rear Compartment Courtesy Lamps


Object Number: 2075823  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
Lamp Controls, I/P Compartment, Sunshades, and Inside Rearview Mirror Lamps
Power, Ground, and Class 2
Lamp Controls, I/P Compartment, Sunshades, and Inside Rearview Mirror Lamps
Fuel Door and Rear Compartment Lid Release
G201
G202 2 of 2
G302, G401, and G402