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

Rear of the Headliner


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

Overhead Console


Object Number: 491764  Size: MF
(1)Sunroof Switch
(2)Vanity Mirror - Right-on Sunshade
(3)Courtesy/Reading Lamp - Right
(4)Courtesy/Reading Lamp - Left
(5)Vanity Mirror - Left-on Sunshade
(6)Garage Door Opener
Figure 3:

Rear Integration Module (RIM)


Object Number: 492170  Size: MF
(1)Rear Integration Module (RIM) C1
(2)Rear Integration Module (RIM) C2