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

RCDLR and Door Lock Switches


Object Number: 688980  Size: FS
Master Electrical Component List original
Power Door Locks Description and Operation
Door Lock Circuits
Ground G301 (1 of 3)
Figure 2:

Door Lock Circuits


Object Number: 688988  Size: FS
Master Electrical Component List original
Power Door Locks Description and Operation
RCDLR and Door Lock Switches
Ground G201