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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 563 (Exterior Lighting System) >> Diagnosis And Testing >> Trailer Lamps >> Pinpoint Test AC: The Trailer Lamps Are Inoperative - Reversing Lamps >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

Circuit 140 (BK/PK) supplies power to the reversing lamps and the coil side of the trailer tow reversing lamp relay. When the trailer tow reversing lamp relay is energized, voltage received from circuit 1043 (DG/YE) is switched to the trailer tow connector through circuit 963 (BK/LG). Ground is supplied to the trailer tow reversing lamp relay through circuit 1205 (BK).

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