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

Power, Ground, Serial Data, and Controlled/Monitored Subsystem References


Object Number: 2082791  Size: FS
Figure 2:

Theft, Horn, Mirror, Power Moding, Brake and Wiper/Washer System References


Object Number: 2082794  Size: FS
Figure 3:

Interior Lights and Interior Lights Dimming References


Object Number: 2082796  Size: FS
Figure 4:

Exterior Lighting References


Object Number: 2082800  Size: FS