K 2500 Truck 4WD V8-6.5L DSL Turbo VIN F (1994)
Cargo Lamp: Testing and Inspection
Preliminary Checks
1. Check condition of CTSY Fuse. If fuse is blown, locate and repair source of overload. Replace fuse.
2. Check operation of dome and courtesy lamps, if inoperative, repair before proceeding with cargo lamp diagnosis.