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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 46 (Exterior Lighting System -- F250-F550 Super Duty) >> Diagnosis & Testing >> Trailer Lamps >> Pinpoint Tests >> Pinpoint Test AB: The Trailer Lamps Are On Continuously >> Trailer Tow Reversing Lamps

Trailer Tow Reversing Lamps

WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

The trailer tow reversing lamp relay coil receives voltage when the vehicle reversing lamps are illuminated. When the trailer tow reversing lamp relay is energized, voltage is routed to the trailer tow connector.

This pinpoint test is intended to diagnose the following: 

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