7-Way Trailer Wiring Harness with Junction Box – 8FT, Weatherproof, RV-Standard, Heavy Duty TC78W

Regular price $33.95 Sale price$69.95
SKU: TC78W ISBN: TC78W
Regular price $33.95 Sale price$69.95you save $36.00

Simplify and secure your trailer's electrical system with this Heavy-Duty 7-Way Trailer Wiring Harness featuring an 8FT cord and weatherproof junction box. Built for durability and compatibility with RV-standard configurations, this setup is ideal for RVs, trailers, food trucks, and other tow-behind vehicles.

🔧 Key Features

  • All-in-One Wiring Harness
    Pre-molded 7-way copper blade plug combined with a rugged junction box provides fast, secure, and organized wiring for turn signals, brake lights, tail lights, and auxiliary power.
  • Color-Coded 7-Gang Junction Box
    Solid ABS housing with clearly marked terminals simplifies installation and reduces guesswork for all standard 7-way RV applications.
  • Heavy-Duty & Weatherproof Design
    8-foot cord made of 100% pure copper wire housed in a durable, flameproof PVC jacket. Waterproof grommets seal the box and protect wiring from dust, corrosion, and the elements.
  • Flexible Installation Options
    Comes with 4 open and 4 closed grommets to adapt to your specific cable layout. Built to last for rugged use on the road or worksite.

⚙️ Specifications

  • Plug Type: 7-Way RV Standard (Please verify plug layout)
  • Cord Length: 8 Feet
  • Wiring Material: Pure Copper
  • Junction Box: Flameproof ABS with weatherproof grommets
  • Use Cases: RVs, utility trailers, food vans, horse trailers, boat trailers, and campers
  • Voltage: 12V Systems

🧰 Compatible With:

  • Travel trailers
  • Fifth wheel campers
  • Horse and boat trailers
  • Food trucks
  • Utility haulers and car haulers

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