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

Instrument Panel, Console, and Driver Door Lighting


Object Number: 1888952  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
Steering Wheel and Front Passenger Door Lighting
Figure 2:

Steering Wheel and Front Passenger Door Lighting


Object Number: 1888957  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
I/P, Console, and Driver Door Lighting