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.

This universal wiring kit lets you install an electric brake controller (sold separately) in your vehicle and a 7-way connector for your trailer lights at the same time. Plugs into the existing 4-way on your vehicle.

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 connector in the bed of your truck for easy hookup of your fifth-wheel or gooseneck trailer. No cutting or splicing required. Harness tees into the factory 7-way at the rear of your truck.

7 Pole Trailer Connector Loop with Vehicle and Trailer Ends

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.

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.

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

This 7-way plug hardwires into your truck's existing wiring and provides a 7-pole connector in your truck bed to use when you want to tow a fifth-wheel or gooseneck trailer. Weathertight seal and plastic shell are durable.

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.

Wire your vehicle to tow a trailer with this universal, splice-in wiring kit. Includes 4-way flat connector and 48" of bonded wire. Designed for use with 2-wire electrical systems.

Modulite Protector with Integrated Circuit & Overload Protection, Hardwire Kit and Tester

Install this socket in your truck bed for fast, easy hookup of a 5th-wheel or gooseneck trailer. Built-in magnet creates tight connection with an EZ Connector trailer-end plug (sold separately). Face-to-face contacts mean no bent or broken terminals.

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.

Wire your vehicle to tow a trailer with this universal, splice-in wiring kit. Includes 5-way flat connector, bonded wire, mounting bracket, and necessary hardware. Designed for use with 2-wire electrical systems.

This adapter lets you span 8' 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.

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.

6-Way Connector 7' Loop

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.

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.