Stoplamps
PRINCIPLES OF OPERATIONVehicles Without STX Package
Voltage is supplied at all times by the smart junction box (SJB) to the stoplamp switch. When the brake pedal is applied, voltage is supplied to the high mounted stoplamp and the multifunction switch, which routes the voltage to the rear lamps.
Vehicles With STX Package
Voltage is supplied at all times by the SJB to the stoplamp switch. When the brake pedal is applied, voltage is supplied to the high mounted stoplamp and the rear stoplamps.