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.

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.

Quickly and easily connect your towed vehicle to your RV with this durable, insulated electrical cable. Includes car-side 6-way, round plug.

Replace your damaged 7-way, RV-style, trailer-end connector with this molded cable. Durable cable covering resists damage. Wiring codes are RV standard.

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.

Adapter converts from 4 pole wiring on vehicle to 7-pole round plug and 4-pole flat. Additional wire leads for brake, power and accessory.

Trailer adapter converts a tow vehicle's 7-pole wiring connection to a 5-pole flat pin connection for towing trailers with hydraulic brakes. Coiled cord stretches and contracts for extra flexibility. Threaded bracket ensures a secure connection.

This molded, 7-way, RV-style, trailer-end connector lets you replace a damaged wiring harness on your trailer.

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.

Replace your damaged 7-way, blade-style, trailer-end connector with this molded cable. Durable cable covering resists damage. Wiring codes are auto-industry standard.

Quickly and easily connect your towed vehicle to your RV with this durable, vinyl-coated electrical cable. Coiled design prevents dragging. Includes car-side 6-way round plug.

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.

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.

Quickly and easily connect your towed vehicle to your RV with this durable, insulated electrical cable. Includes 6-way, round RV and vehicle plugs.

The LED test lights on this molded, 7-way, RV-style, trailer-end connector confirm connectivity between your trailer and vehicle for simple troubleshooting. Durable cable covering resists damage.

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.

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 wishbone-style, 5-wire flat harness is great for a trailer with a surge coupler. The 40' long harness includes a 4' long ground wire and a blue auxiliary wire that signals your trailer brakes to disengage while you are in reverse.

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.

Replaces the power cord from your Roadmaster tow bar so that you can run power from your RV to your towed vehicle. Coiled end prevents dragging and straight end is ideal for tow bar channel guides.

5-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. Auxiliary wire signals trailer brakes to disengage when in reverse.

This molded, 7-way, RV-style, trailer-end connector allows you to connect your trailer to your vehicle. Insulated cable covering is ideal for cold temperatures. Hardwires to existing wiring.

Quickly and easily connect your towed vehicle to your RV with this durable, insulated electrical cable. Includes car-side, 4-way round plug.