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

Power, Ground, and Components


Object Number: 685716  Size: FS
Master Electrical Component List
Retained Accessory Power (RAP) Description and Operation
Door Jamb Switches
Serial Data Class 2
Serial Data Class 2
Figure 2:

Door Jamb Switches


Object Number: 685718  Size: FS
Master Electrical Component List
Retained Accessory Power (RAP) Description and Operation
Dim Inputs
Power, Ground, and Components
Simple Buss Interface
Serial Data Class 2
Figure 3:

Dim Inputs


Object Number: 685719  Size: FS
Master Electrical Component List
Retained Accessory Power (RAP) Description and Operation
Door Jamb Switches
Serial Data Class 2
Ignition Switch (2 of 2)
Ignition Switch (2 of 2)
Ignition Switch (2 of 2)
IGN SW and NSBU Fuses (Rear Fuse Block)