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

Power, Ground, and Subsystem References


Object Number: 1927126  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Control Module References
Serial Data and Subsystem References
Figure 2:

Serial Data and Subsystem References


Object Number: 1927130  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Control Module References
Front Passenger
Power, Ground, and Subsystem References
Figure 3:

Front Passenger


Object Number: 1927135  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Control Module References
Serial Data and Subsystem References