3ft 7 Way Trailer Plug Wiring Harness, 7 Pin Trailer Cord Extension Wire with 7 Core Copper Conductors, Weatherproof 7 Prong Trailer Tow Wiring Connector for RV Car Boat
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Product details
| Management number | 213145119 | Release Date | 2026/04/12 | List Price | US$36.00 | Model Number | 213145119 | ||
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- 7-Core Stable Signal Transmission: This 7 way trailer plug wiring harness features a 7 core solid copper design that ensures accurate and efficient electrical signal transmission between your towing vehicle and trailer, delivering reliable power to brake lights, turn signals, reverse lights, tail lights, and auxiliary systems without flickering or delay.
- Weatherproof & Heat Construction: Built with high-quality PVC insulation and ABS connectors, this 7 prong trailer tow wiring connector resists wind, rain, extreme temperatures, oil, abrasion, and -alkali exposure, making it ideal for year-round outdoor use in harsh environments without performance degradation.
- Universal Vehicle Compatibility: The 3ft 7 pin trailer cord extension wire works seamlessly with all standard 7-way RV blade sockets, fitting trailers, RVs, cars, boats, fifth wheels, and gooseneck setups—perfect for campers, haulers, and marine towing applications requiring dependable lighting and power connections.
- Premium Copper + PVC Material: This trailer light cord wiring connector uses oxygen-free copper conductors for low resistance and superior conductivity, wrapped in thick, flexible PVC sheathing that prevents cracking, fraying, or short circuits even after repeated bending and long-term exposure to sunlight and .
- Complete Plug-and-Play Extension Solution: Each package includes one 3-foot 7 way trailer plug wiring harness that easily plugs into your vehicle’s existing 7-way socket, extending reach for convenient connection to trailer wiring—no cutting, splicing, or tools required, saving time and ensuring a clean, secure installation.
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