C 3500 Truck 2WD V8-454 7.4L VIN J SFI (1999)
Power Door Lock Switch: Component Locations
Cargo
On top of the right D pillar
Left Front
On the left front door trim panel, below the inside door handle
Rear
Door Lock Switch, Rear
On top of the right D pillar
Right
Front On the right front door trim panel, below the inside door handle