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Home >> Ford >> 2013 >> Edge SEL, 2.0L Eng VIN 9 >> Repair and Diagnosis >> External Pages >> Different car >> Section 244 (Exterior Lighting System) >> Diagnosis And Testing >> Trailer Lamps >> Principles of Operation

Principles of Operation

WARNING: This page is about a different car, the 2014 Lincoln MKX and 2014 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

The trailer lamps are supplied power by the trailer tow park lamp relay, the LH trailer tow stop/turn relay and the RH trailer tow stop/turn relay. They are energized to correspond with the exterior lighting functions of the vehicle. A common ground is provided to the trailer tow connector for the trailer lamps.