"Curt 58992 car Curt. Trailer Wire Connector Direct Fit CURT CUSTOM TOWED-VEHICLE RV HARNESS. CURT towed-vehicle RV harnesses are the ideal solution to connecting your vehicle's electrical system to your RV while dinghy towing. Each RV harness is made for vehicle-specific application, using OEM-compatible plugs to "T" into the vehicle's wiring without any need for cutting or splicing. Connects a towed vehicle to an RV using a standard 4-way flat trailer plug Simple plug-and-play design eliminates the need for cutting or splicing Integrated block diodes isolate sensitive vehicle electronics from RV signals Uses towed vehicle's existing tail lights, brake lights and turn signals CURT Manufacturing, a leading aftermarket manufacturer of top-notch towing and trailer systems, is unsurpassed in price, quality and style. with1-year Curt limited warranty".