Description
Custom Towed-Vehicle RV Wiring Harness. The custom towed-vehicle RV wiring harness enables effortless and secure electrical connections between a towed vehicle and an RV. Designed to utilize the existing lighting system of the vehicle, it ensures synchronized operation of taillights, brake lights, and turn signals during towing. This harness provides an essential safety function by conveying signals from the RV to the towed vehicle without modifying factory wiring.
Construction and Appearance. Crafted from durable thermoplastic rubber, the harness ensures long-lasting flexibility and resistance to environmental factors. The design incorporates integrated block diodes to effectively protect vehicle electronics from potential electrical interference. The harness is finished in a neutral tone and includes a mounting bracket and hardware to facilitate neat and secure installation.
Installation. Installation is straightforward with a plug-and-play approach that requires no splicing or cutting of wires. No drilling is necessary, making it accessible for most users to install without professional assistance.
Warranty. This product is covered by a one-year limited warranty, providing assurance of quality and reliability.
Application. Designed specifically for the 2021-2022 Ford F-350 Super Duty models equipped with backup sensors, this harness offers a precise fit for these vehicles to maintain full functionality of lighting and sensor systems during towing.
CA Residents: WARNING: Cancer and Reproductive Harm
- Connects a Towed Vehicle to an RV Using a Standard 4-Way Flat Trailer Plug
- Simple Plug-and-Play Design Eliminates the Need for Cutting or Splicing
- Integrated Block Diodes Isolate Sensitive Vehicle Electronics from RV Signals
- Uses Towed Vehicle’s Existing Taillights, Brake Lights, and Turn Signals
- Includes Harness, 4-Flat Extension, Mounting Bracket, and Hardware
- Fits 2021-2022 Ford F-350 Super Duty with Backup Sensors






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