3ft 7 Way Trailer Plug Wiring Harness, 7 Pin Trailer Cord Extension Wire, Weatherproof 7 Prong Trailer Tow Wiring Connector with Solid Copper Core for RV Car Boat

Item Type: 7 Way Trailer Plug Wiring HarnessMaterial: Copper+PVC+ABSCore Number: 7 CoresFeatures: Weatherproof, High Low Temperature , Alkali , Abrasion Oil ResistantFitment: Fits for Trailer, RV, Car, BoatPackage List：1 x 7 Way Trailer Plug Wiring Harness

• Reliable Signal Transmission: This 7 way trailer plug wiring harness features a 7-core solid copper design that ensures stable and accurate electrical signal transmission between your towing vehicle and trailer, supporting brake lights, turn signals, reverse lights, tail lights, and auxiliary power without flickering or failure.
• All-Weather Durability: Built with high-quality PVC insulation and ABS connectors, this 7 pin trailer cord extension wire is weatherproof, to extreme temperatures, rain, wind, oil, abrasion, and -alkali exposure, making it ideal for year-round outdoor use on roads, lakes, or campsites.
• Universal Vehicle Compatibility: The 7 prong trailer tow wiring connector works seamlessly with a wide range of vehicles including trailers, RVs, cars, and boats, serving as a dependable extension adapter that plugs directly into standard 7-way RV blade sockets for fifth wheel or gooseneck setups.
• Premium Material Construction: Made from oxygen-free solid copper conductors and thick PVC jacketing, this trailer light cord wiring connector delivers low electrical resistance, excellent flexibility, and long-term resistance, ensuring consistent performance even under heavy-duty towing conditions.
• Ready-to-Use 3ft Extension: This package includes one 3-foot 7 way trailer plug wiring harness, perfectly sized to bridge gaps between vehicle and trailer sockets without excess slack, offering a clean, -free connection that’s easy to install and maintain for hassle-free towing every time.