As the number one brand in towing electrical products, Hopkins Towing Solutions has provided consumers with innovation, durability, and performance for over twenty years. Hopkins" Plug-In Simple Vehicle Wiring Kit provides you with a 4 flat connector for your trailer and all required mounting accessories. Simply unplug your vehicle"s factory wiring harness and plug in the Hopkins vehicle wiring kit for a quick and easy installation. Hopkins Towing Solutions offers a variety of towing solutions including vehicle wiring kits, adapters, vehicle and trailer connectors, breakaway systems and much more. Today, more than 40 percent of retail category sales are generated from Hopkins innovations alone.