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

Rear of the Headliner


Object Number: 296895  Size: LF
(1)Power Sunroof Motor Assembly
(2)Sunroof Control Module
Figure 2:

Overhead Console and Components


Object Number: 309322  Size: LF
(1)Power Sunroof Slide Switch
(2)Garage Door Opener
(3)Power Sunroof Vent Switch
(4)RH Vanity Lamp (LH Similar)
(5)Interior Lamp Switch
(6)Overhead Console
(7)Reading Lamp Switch
(7)Reading Lamp Switch