4-Way trailer harness connects to your tow vehicle to control trailer light functions. Wishbone-style harness comes with 2 tail light wires split for simple wiring.

4-Way trailer harness connects to your tow vehicle to control trailer light functions. Wishbone-style harness comes with 2 tail light wires split for simple wiring.

4-Way trailer harness connects to your tow vehicle to control trailer light functions. Wishbone-style harness comes with 2 tail light wires split for simple wiring.

This 4-wire flat, trailer-end connector includes a 4' long, jacketed cable with stripped, color-coded wires for easy installation.

Wire your trailer with this universal, splice-in wiring harness so that you can connect the trailer's wiring to your vehicle's during towing. Corrosion-resistant terminals are long-lasting. Meets SAE standards.

This 4-wire flat, trailer-end connector includes an 8' long, jacketed cable with stripped, color-coded, 14-gauge wires for easy installation.

Easily disconnect this 4-way flat trailer-end plug from your vehicle without damaging the terminals. Large grip ring provides maximum leverage when disconnecting. Universal, 25' long harness splices into your trailer's wiring.

Wishbone-style harness features a 4-pole flat trailer-end connector. Ground wire is 3' long.

Heavy-duty 4-pole flat trailer connector features an oversize grip to make connecting quick and easy. Built-in cover helps keep terminals corrosion-free.

This wiring harness provides a simple, efficient method for rewiring your trailer with a 4-pole flat trailer-end connector. The wishbone-style harness has an extra tail light wire that makes it easier to wire your trailer.

Wishbone-style Y-harness features a 4-pole flat connector with a convenient, simple-to-use, easy-pull grip for effortless disconnect. Rust-resistant terminals are further protected by a molded dust cover, and all wires are color coded.

Wishbone-style Y-harness features a 4-pole flat connector with a convenient, simple-to-use, easy-pull grip for effortless disconnect. Rust-resistant terminals are further protected by a molded dust cover, and all wires are color coded.

The 4-wire design of this kit includes a 48" long vehicle wiring harness, a 12" trailer end wiring harness, and 6 quick-splice connectors.

Install a 4-way trailer connector on your vehicle with this wiring harness with tail light converter. Requires splicing into existing vehicle wiring. Works with domestic and import vehicles. Includes wire taps.

Replace a damaged 4-way flat, trailer-end connector in just seconds with this Quick-Fix plug. Simply remove the damaged plug, insert your wires into the new plug, and press closed to secure the wires. Built-in LEDs confirm proper connection.

Wire your trailer with this universal, splice-in wiring harness so that you can connect the trailer's wiring to your vehicle's during towing. Corrosion-resistant terminals are long-lasting.

Built-in LED lights on this 4-way flat connector let you know if power is being received from the tow vehicle. Separate lights illuminate to verify power to each function on your trailer for easy troubleshooting. Easy-to-grip, plastic construction.

Easily disconnect this 4-way flat trailer-end plug from your vehicle without damaging the terminals. Large grip ring provides maximum leverage when disconnecting. Built-in LED lights illuminate to verify power. Splices into your trailer's wiring.

Easily disconnect this 4-way flat trailer-end plug from your vehicle without damaging the terminals. Large grip ring provides maximum leverage when disconnecting. Universal, 1' long harness splices into your trailer's wiring.