Parts Needed to Add a 7-Way Trailer Connector to a 2002 Ford F-250


my ford factory harness has 8 wires under the bed. my adapter only has 6 wires. the 2 missing from adapter r believed to b able to controll trailer brakes. which of the 2 blue wire should i cut to splice to get brakes to my camper. it is on a2002 f250. or do u offer and adapter for my truck that has 7 wires


Expert Reply:

You can add a 7-Way to your 2002 Ford F-250. I have included a link to an FAQ that should help. If there are 2 blue wires, one of them will be for electric brakes, the other has some other function and you will need to test all the wires for function using a circuit tester like # 40376 to be sure.

If the truck came with a factory 4-Way trailer connector you can use # 37185 to add a 7-Way.

expert reply by:
Michael H

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