Exterior Lighting: Stoplamps
WARNING: This page is about a different car, the 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
The stoplamp switch is located above the brake pedal where the brake booster push rod is connected to the brake pedal assembly. The stoplamp switch provides voltage to the stoplamps when the brake pedal is applied.