Trailer Wiring Harness Installation - 2013 Ford Edge Video Mar 22, 2013How to Install a Trailer Wiring Harness on a 2013 Ford Edge. Now, we'll go ahead and remove the cargo storage compartment on the driver and passenger side. We'll set this aside for reinstallation later. Our next step will be moving to the driver side tail light assembly.4.8/5(86)Category: Custom Fit Vehicle WiringBrand: TekonshaTrailer Parts · Custom Fit Vehicle Wiring 2013 Ford Edge Trailer Wiring | etrailer Fastest shipping available and a lowest price 2013 Ford Edge trailer wiring guarantee. Expert lifetime technical support on all purchases. Complete 2013 Ford Edge Trailer Wiring installation instructions and customer reviews. Call 800-298-8924 to place your order or order online at etrailer.