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

Sunroof Assembly


Object Number: 1696933  Size: LF
(1)C302
(2)Sunroof Motor
Figure 2:

Roof/Headliner (CF5 w/o C74)


Object Number: 898040  Size: MF
(1)Sunroof Switch
Figure 3:

Headliner


Object Number: 1538477  Size: MF
(1)Courtesy/Reading Lamp (C74)
(2)Sunroof Switch (CF5)
(3)Sunroof (CF5)
(4)Dome Lamp