About this item. EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of these vehicle-trailer connectors. They feature tabs on the top and bottom for a better grip when plugging in or unplugging. RELIABLE CONNECTION. These 4-pin trailer wiring plugs come ready to splice into your existing vehicle and trailer wiring. They have 16-gauge wires and can be used to connect the taillights, brake lights and turn signals. VERSATILE DESIGN. These vehicle-trailer connectors make great replacement 4-flat wiring plugs and sockets. The 4-pin wiring design matches industry-standard 4-way flat connectors and is compatible with a wide variety of trailers. DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of these 4-pin trailer wiring plugs is made from durable black molded rubber that will never rust or corrode. READY TO INSTALL. Equipped with color-coded wires, these 4-prong trailer wiring connectors come ready to install. The 12-inch wire loop provides extra length for an easy installation See more product details Towing accessories to fit your lifestyle Hitches, trailer wiring, cargo carriers and more! CURT offers a complete line of towing accessories to let you fully enjoy your passion! With everything from custom trailer hitches and trailer wiring to 5th wheel hitches and cargo carriers, we have the towing equipment you need to make the most of each adventure. Whether you're working, playing or doing a little of both, CURT towing products enable you and your crew to make memories that will last a lifetime. A complete line of towing products Trailer hitches 5th wheel hitches Gooseneck hitches Towing electrical Towing accessories Weight distribution Trailer parts and accessories Cargo management Like trailer hitches and ball mounts, electrical connectors range all over the board in shape, size and capability, but no matter what your trailer's electrical functions are, you need a solid connection to keep the power flowing and ensure safety on the road. CURT electrical connectors are designed and manufactured to give you a reliable connection every time you plug in your trailer. This 4-way flat connector is designed to supply power for tail lights, turn signals and brake lights, as well as a ground connection. It features durable rubber-molded construction and is made with 12" of standard color-coded, bonded loop wire to easily splice into your vehicle's wiring system. It includes both a vehicle end and trailer end and can be cut to splice into existing wiring or left as a loop to serve as a useful extension harness. It is compatible with all 2-wire vehicle systems.