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

Rear Video Display (U42)


Object Number: 2063366  Size: FS
Figure 2:

TV Tuner (EXP)


Object Number: 2063368  Size: FS
Figure 3:

Rear Seat Audio and Audio/Video Jacks


Object Number: 2063370  Size: FS