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

Door Lock Switches


Object Number: 830559  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Door Lock Actuators
Ground G302 Schematics
Ground G302 Schematics
Ground G301 Schematics
Ground G301 Schematics
Figure 2:

Door Lock Actuators


Object Number: 629507  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Door Ajar Indicator
Door Lock Switches
Fuse Block-Underhood Fuse: 19 Fuse Block-Center Console Fuses: IGN 1 MDL, SIR, INTEMM and BCM-ACCY
Ground G301 Schematics
Ground G301 Schematics
Figure 3:

Door Ajar Indicator


Object Number: 813485  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Door Lock Actuators
Cigar Lighter/Auxiliary Outlets Schematics-Buick
Ground G301 Schematics
Ground G301 Schematics
Ground G302 Schematics
Ground G302 Schematics
Door Open Switches
Door Open Switches
Door Open Switches
Door Open Switches