GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Sierra - 4WD 🢒 Body and Accessories 🢒 Doors 🢒 Door Lock/Indicator Schematics
Figure 1:

Cell 130: Left Bussed Electrical Center, Body Control Module (Base)
Object Number: 297787 Size: FS
Power Door Systems Components
Power Door Locks Circuit Description
Cell 130: Right Bussed Electrical Center, LH Power Door Lock Actuator(Up Level)
Cell 10: Underhood Bussed Electrical Center, Headlamp Dimmer Switch
Cell 10: Underhood Bussed Electrical Center, Headlamp Dimmer Switch
Cell 14: Full Feature Seat Heated/Memory Seat Switch, Light Bar Switch
Cell 14: Full Feature Seat Heated/Memory Seat Switch, Light Bar Switch
Figure 2:

Cell 130: Right Bussed Electrical Center, LH Power Door Lock Actuator (Up Level)
Object Number: 297792 Size: FS
Power Door Systems Components
Power Door Locks Circuit Description
Cell 130: Left Bussed Electrical Center, Body Control Module (Base)
Cell 10: Underhood Bussed Electrical Center, Headlamp Dimmer Switch
Cell 10: Underhood Bussed Electrical Center, Headlamp Dimmer Switch
Cell 14: Full Feature Seat Heated/Memory Seat Switch, Light Bar Switch
Cell 14: Full Feature Seat Heated/Memory Seat Switch, Light Bar Switch