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

Door Lock Switches


Object Number: 1977347  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Door Lock Actuators
Figure 2:

Door Lock Actuators


Object Number: 1977348  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Door Ajar Indicators
Door Lock Switches
Figure 3:

Door Ajar Indicators


Object Number: 1977349  Size: FS
Master Electrical Component List
Door Ajar Indicator Description and Operation
Door Lock Actuators