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

Dimmer Switch Inputs


Object Number: 1963433  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
I/P and Seat Lighting
Figure 2:

I/P and Seat Lighting


Object Number: 1963435  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
Door and Seat Lighting
Dimmer Switch Inputs
Figure 3:

Door and Console Lighting


Object Number: 1963437  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
I/P and Seat Lighting