Recommended 4-Way to 7-Way Wiring Harness For 2007 Dodge Recommended 4-Way to 7-Way Wiring Harness For 2007 Dodge Ram 1500 Pickup. Question: Expert Reply: If your camper has a 7-way trailer connector on it, many times the camper has brakes and you will need to install a brake controller on your 2007 Ram as well as the wiring.4.9/5(1) 2007 Dodge Ram Hitch Wiring - CARiD Dodge Ram 1500 / 2500 / 3500 2007, 7' 5th Wheel and Gooseneck Wiring Harness by Tow Ready®. One-year warranty. Allows remote wiring in pickup beds or other hard to access areas when towing a 5th wheel or gooseneck trailer, using an OEM..
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