Trailer Wiring Harness Questions -
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post #1 of 2 Old 03-12-2013, 01:27 PM Thread Starter
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2015 WK 
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Location: Pittsburgh
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Trailer Wiring Harness Questions

I installed the Rugged Ridge trailer wiring harness Sunday and realized that it was a pin harness and the trailer (M416) I am buying is a 7 pin set-up. I can't seem to locate which adapter I need to go from 7 on the trailer to 4 on the vehicle. I am sure they exist I am just not using the correct search terms. Would someone be kind enough to help me out? Much appreciate!


I ordered the Reese Towpower 74607 7-Way to 4-Way Flat Blade Wiring Adapter and it appears to have female connectors on both ends of the adapter. I hope to find something I can either order from amazon Prime or pick up locally as I am picking up the trailer on Friday.

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post #2 of 2 Old 03-12-2013, 08:30 PM
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7-pin harnesses are for trailers with brakes and 4-pin harnesses are for trailers with only lights.
A 4 to 7 pin adapter will bring lighting to the trailer but no trailer brake functionality.


"You can set my jeep on fire and roll it down a hill,
But I still wouldn't trade it for a Coupe DeVille."

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