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

Power Sunroof Component Views


Object Number: 891675  Size: LF
(1)Power Sunroof
(2)Sunroof Module, C1
(3)Sunroof Module
(4)Sunroof Module, C2
(5)Sunroof Motor
(6)C398
(7)Sunroof Motor, C2
Figure 2:

Front Center of Roof


Object Number: 787121  Size: LF
(1)Courtesy/Reading Lamps -- Front
(2)Roof Harness
(3)Sunroof Switch (W/CF5)
(4)RH Courtesy/Reading Lamp
(5)LH Courtesy/Reading Lamp