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

Left Side of the Instrument Panel, Near the Instrument Cluster


Object Number: 524987  Size: LF
(1)Headlamp Switch
(2)Driver Information Center (DIC) - Left
(3)Air Temperature Sensor - Upper Left (Upper Right Similar)
Figure 2:

Passenger Compartment, Center of the Instrument Panel


Object Number: 524953  Size: LF
(1)Ambient Light Sensor
(2)Speaker - Center Midrange
(3)Hazard Switch
(4)Instrument Panel Integration Module (IPM)
(5)Radio (w/o UY4)
(6)Driver Information Center (DIC) - Right
Figure 3:

Overhead Console and Components


Object Number: 804186  Size: LF
(1)Sunroof Open/Close Switch
(2)Garage Door Opener
(3)Noise Cancellation Microphone
(4)Sunroof Vent Switch
(5)Vanity MIrror Lamp -- Right (Left Similar)
(6)Reading Lamp(s) Switch -- Left & Right
(7)Courtesy Lamps Switch
(8)Overhead Console