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

Door Lock Switches


Object Number: 1888433  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Control Module References
Door Lock Actuators
G301
G301
G302
G301
G302
Figure 2:

Door Lock Actuators


Object Number: 1888437  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Control Module References
Door Ajar Indicators
Door Lock Switches
S/ROOF, DR/LCK, RAP Fuses, and RAP Relay, DOOR UNLOCk PCB Relay - Driver, DOOR UNLOCK PCB Relay, and DOOR LOCK PCB Relay
G302 (1 of 2)
G302
Figure 3:

Door Ajar Indicators


Object Number: 1888441  Size: FS
Master Electrical Component List
Door Ajar Indicator Description and Operation
Control Module References
Door Lock Actuators
Power, Ground, and Low Speed GMLAN Serial Data
G301
G301
G302
G302
G301
G302