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

Power Door Locks - Regular and Extended Cab


Object Number: 1775029  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Body Control Module Programming and Setup
Power Door Locks - Crew Cab
B+ Bus - Underhood Fuse Block
Left Door Regular and Extended Cab
Inside Rearview Mirror, Dome Lamp, Footwell Lamps, and Cargo Lamp
Right Door Crew Cab
Door Lock, Window Switches, and Outside Rearview Mirror Switch
Splice Pack SP106 and G106 - 1 of 2
Splice Pack SP105 and G105 - 1 of 2
Figure 2:

Power Door Locks - Crew Cab


Object Number: 1775045  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Body Control Module Programming and Setup
Rear Door Lock Actuator - Crew Cab
Power Door Locks, Regular and Extended Cab
B+ Bus - Underhood Fuse Block
Left Door Crew Cab
Door Lock, Window Switches, and Outside Rearview Mirror Switch
Right Door Crew Cab
Door Lock, Window Switches, and Outside Rearview Mirror Switch
Rear Door Lock Actuator - Crew Cab
Rear Door Lock Actuator - Crew Cab
Rear Door Lock Actuator - Crew Cab
Rear Door Lock Actuator - Crew Cab
Splice Pack SP106 and G106 - 1 of 2
Splice Pack SP105 and G105 - 1 of 2
Figure 3:

Rear Door Lock Actuators - Crew Cab


Object Number: 1775071  Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Body Control Module Programming and Setup
Power Door Locks - Crew Cab
Power Door Locks - Crew Cab
Power Door Locks - Crew Cab
Power Door Locks - Crew Cab
Power Door Locks - Crew Cab