2003 Chevrolet Silverado 1500 HD Body Control Module C2 Fuse Box Diagram 2003 Chevrolet Silverado 1500 HD Body Control Module C2 Fuse Box Map Fuse Panel Layout Diagram Parts: fog lamp relay control, passenger door lock switch, passenger door lock switch, rear door unlock relay control, headlamp low beam relay, steering wheel, radio control, supply …