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

Switches


Object Number: 851804  Size: SF
(1)Tilt Switch
(2)Slide Switch
Figure 2:

Sun Roof Assembly


Object Number: 851824  Size: SF
(1)Sunroof Switch Assembly
(2)Sunroof Drive Gear Assembly
(3)Sunroof Housing