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

Left Side of the I/P, near the Steering Column


Object Number: 1404802  Size: LF
(1)S219
(2)Inline Fuse Holder (Hidden)
(3)C202
(4)C312
(5)S220
(6)S222
(7)S221
(8)Driver and Passenger Defog Relays (Hidden)
Figure 2:

Left Rear of the Passenger Compartment, Above the Rear Shelf Panel


Object Number: 525033  Size: LF
(1)Wavetrap/Rear Defogger
(2)C327 (w/V4U/B9Q)
(3)C329 (w/V4U/B9Q)
(4)G303
Figure 3:

Passenger Compartment, Center Front of the Headliner


Object Number: 524995  Size: LF
(1)Sunroof Slide Switch (Part of the Power Sunroof Switch Assembly)
(2)Rear Window Sunshade Switch
(3)Overhead Console Courtesy Lamp
(4)Noise Compensation Microphone
(5)Outside Moisture Sensor
(6)Inside Rearview Mirror
(7)Overhead Console Courtesy Lamp
(8)Cellular Telephone Microphone
(9)Garage Door Opener
(10)Sunroof Vent Switch (Part of the Power Sunroof Switch Assembly)
(11)Overhead Console