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

Indicators, Messages, and Ajar/Open/Lock Switches


Object Number: 1899819  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Control Module References
Actuators and Handle Switches
Power, Ground, and Class 2
G301
G201
G202 Continued
G302, G401, and G402
Figure 2:

Actuators and Handle Switches


Object Number: 1899850  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Control Module References
Indicators, Messages, and Ajar/Open/Lock Switches
Power, Ground, and Class 2
G201
G201
G202 Continued
G202 Continued