3500 4x4 Pickup V8-360 5.9L Magnum (1996)
Center High Mounted Stop Lamp: Description and Operation
Ground Circuit
CIRCUIT OPERATION
Circuit Z13 provides a ground for the stop lamps and back-up lamps. The Z13 circuit has more than one branch. Circuit Z13 also supplies ground
path for the tail lamps, parking lamps, rear license plate lamp, back-up lamps, and turn signals. Circuit Z3 provides ground for the CHMSL lamps.