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

Indicators/Messages, Door Lock, and Door Ajar Switches


Object Number: 1892841  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Control Module References
Actuators, and Door Handle Switches
Figure 2:

Actuators, and Door Handle Switches


Object Number: 1892842  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Control Module References
Indicators/Messages, Door Lock, and Door Ajar Switches