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 Towing

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

• Weatherproof & Heat Design: This 7 way trailer plug wiring harness features a rugged PVC and ABS outer jacket that resists rain, wind, oil, abrasion, and extreme temperatures, ensuring reliable performance in all weather conditions while towing your trailer, RV, or boat without signal interruption.
• Stable 7-Core Signal Transmission: Built with seven solid copper conductors, this trailer tow wiring connector delivers consistent electrical signals for brake lights, turn signals, reverse lights, tail lights, and auxiliary power, preventing flickering or failure during long-distance towing trips.
• Universal Vehicle Compatibility: The 3ft 7 pin trailer cord extension wire works seamlessly with trailers, RVs, cars, and boats by plugging directly into standard 7-way RV blade sockets, supporting fifth wheel, gooseneck, or standard towing setups for versatile on-road use.
• Premium Copper and PVC Construction: Made from high-conductivity solid copper wires wrapped in durable PVC insulation, this 7 way trailer plug wiring harness offers superior electrical efficiency and long-term resistance to , , alkali, and mechanical wear for extended service life.
• Complete 3-Foot Extension Solution: Each package includes one 3ft 7 way trailer plug wiring harness ready to extend your vehicle’s existing tow wiring system, providing ample length for secure connections between your towing vehicle and trailer without signal loss or cable strain.