2001 Dodge Ram Pickup Trailer Wiring | etrailer Lowest Price Trailer Wiring Guarantee. Installation instructions and lifetime expert support on all purchases of 2001 Dodge Ram Pickup Trailer Wiring. Order online at etrailer.com or call 800-298-8924. Trailer Wiring Harness Installation - 2001 Dodge Ram Click to view1:14Trailer Wiring Harness Installation - 2001 Dodge Ram - etrailer etrailer. Loading Trailer Brake Controller Installation - 2001 Dodge Ram - etrailer - Duration: 7:55. etrailer 42,130 views. Trailer Wiring Harness Installation - Author: etrailerViews: 19K Trailer hook up wiring diagram - Dodge Cummins Diesel Forum would anyone have a wiring diagram with the colors of the wires before the plug in. i have no trailer lights. i bought the truck as a repo and someone cut the wires off up by the frame before the plug. i have either 13 or 14 wires and not sure where they all go. its a 2001 2500 4x4 automatic 2001 Dodge Ram Hitch Wiring | Harnesses, Adapters, Connectors Dodge Ram 2001, Towing Wiring Harness by Tekonsha®. One-year warranty. Wire up your tow vehicle and trailer with whatever it takes to get your trailer lights on, the electric brakes slowing down, and the trailer battery charging.