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

Door Switches and Latch Ajar Signals


Object Number: 1380913  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Control Module References
Door Lock Actuators
B+ Bussing
Door Lock Actuators
RADIO, BCM/CLUSTER, INT LTS, PARK, HZRD, and LOCK/MIRROR Fuses
G401 and G403
G401 and G403
G301
Figure 2:

Door Latch Controls


Object Number: 1380914  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Control Module References
Door Lock and Jamb Switches
Door Lock and Jamb Switches
G301