Principles Of Operation

Stoplamps

Principles of Operation

NOTE: The Smart Junction Box (SJB) is also known as the Generic Electronic Module (GEM).

Fusion

When the brake pedal is applied, voltage is routed to the SJB and the high mounted stoplamp. The SJB then supplies voltage to the rear stoplamps. The rear stoplamps are combination stop/turn lamps. The turn and hazard lamp functions override the rear stoplamp function.

Milan and MKZ

When the brake pedal is applied, voltage is routed to the high mounted stoplamp, the rear stoplamps and the SJB.