Best Tow Bar Wiring Kit for Flat Towing: Top 5 Solutions
Choosing the right tow bar wiring kit is essential for safe, compliant flat towing with a vehicle like the Jeep Wrangler JK or JL, or other tow-ready trucks. This guide covers five reliable options, highlighting compatibility, ease of installation, and durability. Each product here is designed to synchronize your vehicle’s taillights, brake lights, and turn signals with an RV or tow vehicle, often using a simple plug-and-play setup.
Summary of selected products
| Product | Brand | Key Benefit |
|---|---|---|
| Oyviny 58903 Custom 4 Pin RV Dinghy Wiring Harness | Oyviny | Reliable 4-flat connector for Wrangler JK towing |
| CARROFIX Custom Fit 4 Way RV Towed Vehicle Wiring | CARROFIX | Plug-and-play, factory connector compatibility |
| JUMOPARTS 58903 Custom Fit 4 Way Towed Vehicle Harness | JUMOPARTS | Fast, easy connection for Jeep Wrangler JK |
| Tyger Auto TG-HW2J001B Electric Wiring Kit | Tyger Auto | Weatherproof, factory-looking installation |
| Blue Ox BX88308 Avail & Ascent Tow Bar Accessory Kit | Blue Ox | Includes bulb/socket kit and protective cover |
Oyviny 58903 Custom 4 Pin RV Dinghy Wiring Harness
The Oyviny 58903 is designed for 2007-2018 Jeep Wrangler JK models, excluding right-hand drive. It provides a standard 4-flat trailer plug to connect your Wrangler’s signal lights to an RV electrical system, enabling consistent taillights, brake lights, and turn signals without altering factory lighting. Built with pure copper wires for conductivity and ABS plastic connectors for durability, this harness aims to deliver reliable performance during flat towing. The design emphasizes compatibility with the Wrangler’s OEM components while preserving factory lighting.
CARROFIX Custom Fit 4 Way RV Towed Vehicle Wiring Kit
CARROFIX offers an all-in-one solution for 2007-2018 Jeep Wranglers (excluding right-hand drive). This 4-way flat connector plugs into factory equipment plugs, providing synchronized operation of taillights, brake lights, and turn signals in sync with an RV. The plug-and-play design minimizes installation complexity, eliminating the need for cutting or splicing. The emphasis is on straightforward installation while maintaining reliable trailer-like signaling for flat towing scenarios.
58903 Custom Fit 4 Way RV Towed Vehicle Wiring Trailer Harness Kit
JUMOPARTS offers a 58903-titled harness for the Wrangler JK, excluding right-hand drive variants. It aligns with integrated factory wiring to deliver a standard 4-way flat connection, enabling reliable brake, taillight, and turn signal synchronization when towing. The kit emphasizes plug-and-play installation, reducing or eliminating the need to cut or splice into the vehicle’s electrical system. This makes it a practical option for DIY flat towing setups that prioritize ease of installation.
LAND ROVER TOW BAR WIRING KIT LR4 VPLAT0137 OEM
While this kit is labeled for Land Rover LR4, it demonstrates the range of OEM-style wiring kits available for flat towing setups. It includes a genuine harness with interchangeable flat-4 and 7-way ends, alongside clear instructions. The kit emphasizes high-quality parts and proper compatibility with specific vehicle electrical systems, ensuring reliable signal transfer during flat towing and easy integration with factory connectors.
Towed-Vehicle RV Wiring Harness Kit (JL/JG Gladiator)
From JUMOPARTS, this kit targets newer Jeep models (Wrangler JL and Gladiator JT), delivering a plug-and-play architecture that wires into factory taillight assemblies to provide a standard 4-way flat connector. It emphasizes compatibility with JL/JT platforms and seamless integration with the RV’s lighting signals, making it a practical option for modern flat-tow configurations.
Blue Ox BX88308 Avail & Ascent Tow Bar Accessory Kit
Blue Ox offers a comprehensive accessory kit containing a 7-6 wire harness, bulb and socket components, and a protective cover. The 7-6 way harness ensures proper wiring transfer from an RV or tow vehicle’s 7-way plug to the towed vehicle’s 6-way system, covering essential lighting needs. The included protective cover helps shield components from debris and weather when stored or mounted on the tow bar. This kit suits users seeking a robust, multi-piece solution for tow bar lighting protection and signal transfer.
Buying Guide: Key Considerations When Choosing a Tow Bar Wiring Kit
- Vehicle compatibility: Confirm the kit supports your vehicle model and year (e.g., Wrangler JK, JL, or Gladiator) and note any exclusions (such as right-hand drive variants).
- Connector type: Most flat-tow setups use a 4-flat or 7-way connector. Ensure the kit provides the correct output to match your RV’s lighting system.
- Installation complexity: Plug-and-play designs reduce cutting or splicing. If you prefer a DIY approach, seek harnesses that plug directly into factory plugs.
- Electrical durability: Look for pure copper wires for conductivity and rugged connectors designed to resist weather and wear.
- Signal synchronization: The primary purpose is to mirror your vehicle’s taillights, brake lights, and turn signals on the RV side; ensure the kit claims reliable synchronization.
- Component quality: Some kits include additional bulbs, sockets, or protective covers; decide if these extras align with your setup and storage needs.
- Warranty and support: OEM-style or reputable brands often offer better documentation and customer support for installation questions.
- Future-proofing: If you upgrade to newer Jeeps or different towed platforms, consider kits that support broader compatibility or upgrade options.
Across these options, the overall goal is a safe, reliable lighting system that behaves like a trailer when the vehicle is towed. Consider your vehicle model, desired ease of installation, and whether you prefer plug-and-play simplicity or OEM-style harness components. The products above provide various balance points between installation effort, durability, and signaling reliability.