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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.

Install a 4-way flat on your vehicle with this splice-in harness. Powered converter connects directly to battery to reduce strain on wiring. Potted, SMT construction boosts water and vibration resistance. Works with 2-wire, 3-wire, and PWM systems.

Install a 7-way, RV-style trailer connector on your vehicle with this easy-to-splice harness. ModuLite draws power directly from the battery to avoid overloading your vehicle's circuits. Brake controller wiring harness included.

Mount this 7-way, RV-style connector in your truck bed to simplify hookup of your 5th-wheel or gooseneck trailer. Harness plugs into existing wiring and retains use of factory 7-pole at the bumper. 90-Degree connector fits into tight spaces.

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.

These units completely isolate the tow vehicle from trailer malfunctions. Power is taken directly from the battery for isolation and brighter trailer tail lights.

Replace the worn or damaged 7-pole, RV-style trailer connector on your vehicle with this sealed, factory replacement. Corrosion-resistant terminals are long-lasting.

Extension plugs into your existing 7-way, RV-style connector to route functionality from the rear of your vehicle to your truck bed for quick, easy hookup of your 5th-wheel or gooseneck trailer.

Mount this 7-way, RV-style connector in your truck bed to simplify hookup of your 5th-wheel or gooseneck trailer. Harness plugs into existing wiring and retains use of factory 7-pole at the bumper.

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.

7 Pole Trailer Connector Loop with Vehicle and Trailer Ends

Wire your vehicle to tow a trailer with this universal, splice-in wiring kit. Includes 4-way flat connector, 60" of bonded wire and necessary installation hardware. Designed for use with 2-wire electrical systems.

Install a 4-way flat on your vehicle with this splice-in harness. Requires 55151 (sold separately) to connect module to car battery for power. SMT construction ensures superior performance. Works with 2-wire and 3-wire systems.

This 7-way plug is hardwired into your OEM wiring near your rear bumper and provides a 7-pole connector in your truck bed to use when you want to tow a fifth-wheel or gooseneck trailer. Adapter is designed with a 90-degree angle for tight spaces.

Mount this 7-way, RV-style connector in your truck bed for easy hookup of your fifth-wheel or gooseneck trailer. 90-Degree harness plugs in-line with factory wiring and retains use of your factory 7-pole. Weather-resistant cable jacket is durable.

This ModuLite Ultra Protector with integrated circuit and overload protection safeguards both itself and the tow vehicle against electrical shorts or mis-wiring situations.

8' Long extension plugs into the existing 7-way, RV-style connector on your truck and runs to your truck bed to give you an easy-to-access plug for connecting your fifth-wheel or gooseneck trailer's wiring.

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

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.

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.

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

Mount this 7-way, RV-style connector in your truck bed to simplify hookup of your 5th-wheel or gooseneck trailer. Harness plugs into existing wiring and retains use of factory 7-pole at the bumper.