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

Power, Ground, and Serial Data


Object Number: 2075253  Size: FS
Figure 2:

Outside Rearview Mirror References


Object Number: 2075255  Size: FS
Figure 3:

Door Lock, Window, and Lighting System References


Object Number: 2075257  Size: FS
Figure 4:

Heated Seat References


Object Number: 2075259  Size: FS