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

Door Lock Switch Inputs


Object Number: 669598  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Liftgate/Endgate Lock Cylinder Switch Inputs (Utility)
MIR/LKS, FOG LP Fuses and DRL, Headlamp Power Relays
Liftgate/Endgate Lock Cylinder Switch Inputs (Utility)
Outside Rear View Mirror Switch
Relay Control
Relay Control
Figure 2:

Liftgate/Endgate Lock Cylinder Switch Inputs (Utility)


Object Number: 669602  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
BCM Inputs and Outputs
Door Lock Switch Inputs
Door Lock Switch Inputs
Output
Output
Relay Control
Relay Control
Figure 3:

BCM Inputs and Outputs


Object Number: 669606  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Relay Control
Liftgate/Endgate Lock Cylinder Switch Inputs (Utility)
Relay Control
Seat Belt Switch, Headlamp Ambient Light Sensor and PCM
Figure 4:

Relay Control


Object Number: 669608  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Door Lock Actuators
BCM Inputs and Outputs
INT BATT Fuse
G200, G201 and G207 (Pickup and Crew Cab)
G200, G201 and G207 (Pickup and Crew Cab)
BCM Inputs and Outputs
BCM Inputs and Outputs
Liftgate/Endgate Lock Cylinder Switch Inputs (Utility)
Door Lock Switch Inputs
BCM Inputs and Outputs
Liftgate/Endgate Lock Cylinder Switch Inputs (Utility)
Door Lock Switch Inputs
Door Lock Actuators
Figure 5:

Door Lock Actuators


Object Number: 669617  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Relay Control
Relay Control
Relay Control