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How To Convert a Trailer From a 4-Way to a 7-Way Trailer Connector


We are converting our trailers to a 7 round pigtail. do you have the 7 round plug and wiring harness for the trailer?


Expert Reply:

In order to convert a trailer from a four way flat to a seven way round I recommend using the Trailer Wiring 7-Way Upgrade Kit part # 277-000141. It comes partially pre-assembled along with the rest of the components you need to make the switch. The only thing you need to do is cut off the old trailer connector and then attach these wire leads to the junction box.

expert reply by:
Conner L

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