Installing 7-Way Trailer Connector on 2014 Nissan Frontier ...
To install a 7-way, you'd first need to install the 4-pole flat connector (if you don't already have one.) I'd recommend the Tow Ready wiring harness, part # 118525. Once that's in place, how you would proceed will depend on the trailer you're pulling. If the trailer does NOT have brakes, but just the lighting circuits, you can simply use the ...
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