K 2500 Truck 4WD V6-262 4.3L VIN Z (1992)
Brake Lamp: Testing and Inspection
Preliminary Checks
1.
Rear lamp systems (taillamps, clearance lamps, endgate lamps and license plate lamps) all receive voltage from same wire circuit BRN (9) and
share same ground terminal G410. If only one system is not working, locate and repair open in wiring and/or bulbs that pertain to that system.
