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Home >> Mercury >> 2010 >> Milan Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 721 (Exterior Lighting System) >> Diagnostic Tests >> Trailer Lamps >> Pinpoint Tests >> Pinpoint Test V: The Trailer Lamps Are Inoperative >> Normal Operation - Trailer Parking Lamps

Normal Operation - Trailer Parking Lamps

WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

Circuit 14 (BN) supplies voltage to the vehicle parking lamps and the coil side of the trailer tow parking lamp relay. Ground is supplied to the trailer tow parking lamp relay through the central junction box (CJB). When the trailer tow parking lamp relay is energized, voltage is routed from the CJB fuse 10 (20A) to the trailer tow connector through circuit 962 (BN/WH).

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