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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 818 (Exterior Lighting System (F250-F550)) >> Diagnostic Tests >> Stoplamps >> Pinpoint Tests >> Pinpoint Test J: The Stoplamps Are On Continuously >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

When the brake pedal is applied, voltage is routed to the high mounted stoplamp, the trailer brake module and the multifunction switch through circuit 511 (LG). The multifunction switch then routes the voltage to the rear lamps through circuit 9 (LG/OG) (LH rear lamp) and circuit 5 (OG/LB) (RH rear lamp).

Possible Causes

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