7-Way Molded Trailer Plug with Junction Box - 8' Long
Dr Infrared Heater 6 ft. 7-Way Trailer Plug Cord Wiring Harness, Heavy-Duty Weatherproof, Corrosion Resistant Inline Cable, for RV, Campers DR-RV106 - The Home Depot
Amazon.com: 7 Wire to 6 Wire Trailer Plug Cord Adapter, Coiled Cable with Female Receptor, 7-Way Blade to 6-Way Pin Towing Wring (Tool trio) : Automotive