Install a 4-way trailer connector on your vehicle without cutting or splicing into your wiring. Zero-contact interface sensors identify the current flowing through each wire by simply clamping onto it. Circuit-protected module is made using SMT.

This multi-function, vehicle-end connector converts any 4-way flat, vehicle-end plug to a combination 7-way outlet and 4-pole flat outlet.

Quickly and easily convert a 7-pole, RV-style connector to a 4-way, flat connector with this RV connector adapter. Adapter has a non-corrosive nylon shell.

Install a 4-way flat on your vehicle with this splice-in harness. Kit includes the necessary wiring to connect the module to your car battery for power. SMT construction ensures superior performance. Works with 2-wire and 3-wire systems.

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. Wishbone design removes need for a jumper wire between tail lights.

Adapts import and domestic vehicles with separate turn and stop lights (3-Wire System) to standard trailer tail light wiring (2-Wire System).

This ModuLite harness offers peace of mind by including circuit protection to safeguard itself and the tow vehicle from harmful electrical shorts and mis-wire situations. The upgrade also includes the ability to work with PWM on vehicles.

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.

Install a 4-way trailer connector on your vehicle with this wiring harness with tail light converter. Harness splices into existing wiring. SMT construction ensures superior performance.

This 18" long adapter plugs in to your 7-way, RV-style, vehicle-end connector to convert it for use with a 4-way or 5-way flat connector on your towed vehicle or trailer.

Easily disconnect this 4-way flat trailer-end plug from your vehicle without damaging the terminals. Large grip ring provides maximum leverage when disconnecting. Harness splices into your trailer's wiring. Durable cable covering resists damage.

Install a 4-way trailer connector on your vehicle with this wiring harness with tail light converter. Harness splices into existing wiring to adapt your vehicle's 3-wire tail light system for use with your trailer's 2-wire system.

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 multi-function, vehicle-end connector converts any 4-way flat, vehicle-end plug to a combination 7-way outlet and 4-pole flat outlet. Features an integrated backup alarm.

This adapter lets you span 3' to connect your 7-way, RV-style, vehicle-end connector to the 4-way flat connector on your trailer. Coiled cord ensures that wires won't drag on the ground. Molded construction is durable and corrosion resistant.

Hardwire 4-pole trailer connector kit for vehicles with combined wiring - where the turn and brake signals are sent along the same wire. Quick-splice connectors and circuit tester included.

This heavy-duty, coiled cable adapter is compatible with a 7-way RV blade trailer socket on the vehicle and adapts it to work with a 4-wire flat connector on the trailer.

Adapt the 7-way trailer socket on your vehicle to work with a 4-way or 5-way flat connector on the trailer. Adapter also provides a 12-volt power source outlet. Great for tailgating.

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

This heavy-duty, coiled cable adapter is compatible with a 7-way RV blade trailer socket on the vehicle and adapts it to work with a 4-way flat or 5-way flat connector on the trailer.

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.

This heavy-duty, coiled cable adapter is compatible with 7 RV blade to 5-wire flat connectors. Trailer connectors on adapter light-up to aid with the hook-up.