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Amazon.com: Nilight Heavy Duty 7 Way Inline Trailer Plug with 7 Gang Junction Box - 8 Feet, Trailer Connector Cable Wiring Harness with Weatherproof Junction Box Suitable for RV Automotives Cars,2 Years Warranty : Automotive
![How to wire a trailer that has 6 wires. To a 7 wire plug, I also have aux battery installed for dumping the trailer. How to wire a trailer that has 6 wires. To a 7 wire plug, I also have aux battery installed for dumping the trailer.](https://www.justanswer.com/uploads/crazi429/2006-08-23_193204_Trailer_connector.jpg)
How to wire a trailer that has 6 wires. To a 7 wire plug, I also have aux battery installed for dumping the trailer.
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