7 Way Plug Inline Trailer Cord with 7 Gang Weatherproof Junction Box (6-Foot) - Leisure RV Parts
Universal Molded 7 Way Trailer Cord 20 foot RV Light Plug Wire Harness Connector - C&N Supply, Inc.
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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 - Walmart.com