4 Pin Trailer Wiring To 7 Pin. Verify the harness color codes at each tail light. Is it an easy fix to convert it, is there an adapter or do I need run additional wiring?
Then get a zip tie or. The three additional pins are: trailer brakes, back-up lights and trailer battery charging. This is the style we recommend.
Now it's time to release the wiring harness.
Is it an easy fix to convert it, is there an adapter or do I need run additional wiring?
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