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How To Wire a 7-Way Trailer Connector On the Back of a Trailer  


Need roughly 35 ft of 7 wire a male and female m to wire the back of my fifth wheel trailer planning on just plugging it into my seven prong on my bumper i have also got a seven-prong hook up for my fifth wheel in the box of my truck


Expert Reply:

In order to install a 7-way trailer wiring harness on the back of a trailer you'll simply need the Pollak 7-Pole, RV-Style Trailer Connector Socket w/ Wiring Harness part # PK11898. The wires will splice into the tail light circuits that are already run to the rear. If you need to extend any of the circuits like the brake output or battery charge line you can simply purchase the correct gauge wire by the foot such as part # 10-1-1. We do offer the bonded 7-wire as part # DW04914-1 but this would be much too expensive to run the entire length of the trailer.

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