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

Door Lock Switches and Relay


Object Number: 634749  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Door Lock Actuators - ZW9
B+ Bus
CIG LTR, CRANK, and RADIO BATT Fuses
PWR ACCY Circuit Breaker
Door Lock Actuators - E54
Door Lock Actuators - E54
Door Lock Actuators - ZW9
Door Lock Actuators - E54
Door Lock Actuators - ZW9
Door Lock Actuators - E54
G200
Figure 2:

Door Lock Actuators (ZW9)


Object Number: 634753  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Door Lock Actuators - E54
Door Lock Switches and Relay
Door Unlock Relays
Door Lock Switches and Relay
Door Unlock Relays
Door Unlock Relays
Figure 3:

Door Lock Actuators (E54)


Object Number: 634755  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Door Unlock Relays
Door Lock Actuators - ZW9
B+ Bus
CIG LTR, CRANK, and RADIO BATT Fuses
Door Lock Switches and Relay
Door Lock Switches and Relay
Liftglass Lock/Unlock Release Switch and Relay
Liftglass Lock/Unlock Release Switch and Relay
Door Unlock Relays
Door Unlock Relays
Door Unlock Relays
Door Lock Switches and Relay
Figure 4:

Door Unlock Relays


Object Number: 634756  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Door Lock Actuators - E54
PWR ACCY Circuit Breaker
Door Lock Actuators - E54
Door Lock Actuators - ZW9
Door Lock Actuators - E54
Door Lock Actuators - ZW9
Door Lock Actuators - E54
Door Lock Actuators - ZW9
G200