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

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

• Reliable 7-Core Signal Transmission: This 7 way trailer plug wiring harness features a 7-core solid copper design that ensures stable and accurate electrical signals between your towing vehicle and trailer, delivering dependable control for brake lights, turn signals, reverse lights, and auxiliary power without flickering or failure.
• Weatherproof & Heat Construction: Built with high-quality PVC insulation and solid copper wires, this 3ft 7 prong trailer tow wiring connector resists rain, wind, extreme temperatures, oil, and abrasion, making it ideal for year-round outdoor use on roads, lakes, or campsites.
• Universal Vehicle Compatibility: This trailer light cord wiring connector works seamlessly with RVs, trucks, cars, boats, fifth wheels, and gooseneck trailers. Simply plug it into any standard 7-way RV blade socket to extend your existing tow wiring system for versatile towing setups.
• Premium Material Durability: The wiring harness uses thick-gauge solid copper conductors wrapped in flexible yet rugged PVC sheathing, providing superior conductivity and long-lasting performance even under constant vibration, bending, or exposure to road debris and .
• Easy Plug-and-Play Installation: No cutting or splicing needed—this 3ft 7 pin trailer wire cable extension connects directly to your vehicle’s 7-way socket and trailer plug, saving time and effort while ensuring a secure, - connection for safe and hassle-free towing.