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

Dimmer Switch, Radio, Hazard, Fog Lamp, Steering Wheel Controls and Rear Wiper/Washer Switches


Object Number: 1887668  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
HVAC Control, Radio, and Console Flood Lamp
Figure 2:

HVAC Control, Radio and Console Flood Lamp


Object Number: 1887670  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
A/T Shift Lever, Boost Gage, Door Lock, Outside Rearview Mirror, Power Window, and RAP Switches
Steering Wheel Controls, Dimmer, Fog Lamp, Hazard, Rear Wiper/Washer, and Traction Control Switches
Figure 3:

A/T Shift Lever, Boost Gauge, Door Lock, Outside Rearview Mirror, Power Window and RAP Switches


Object Number: 1910694  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
HVAC Control, Radio, and Console Flood Lamp