Trailer Tow Harness 7 Pin

Trailer Tow Harness 7 Pin. Is it an easy fix to convert it, is there an adapter or do I need run additional wiring? Splice the seven-pin trailer plug leads to the trailer harness.

Trailer Tow Harness (7 pin) - Nissan Race Shop (Donald Harmon)

You will probably need to pop off wire loom from zip tie on the hitch to get it all the way through. Provides trailer lighting power and connections for trailer brakes. Crimp each connector then plug the connector into the tow vehicle.

The three additional pins are: trailer brakes, back-up lights and trailer battery charging.

The connectors are the same for both harnesses, but the pin assignments changed.

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Provides trailer lighting power and connections for trailer brakes. The new harness, by the way, would require one soldered splice. Seven-pin connectors are rarely used on trailers for local use.