The TowSmart ProClass 4-Wire Flat to 7-Blade and 4-Wire Flat Trailer Light Wiring Connector is the quickest and easiest way to make electrical connections when hauling a trailer that has a different wiring configuration than the vehicle. This connector is ideal for trailers that require a 4-wire flat connection or a 7-blade connection. The connector provides taillights, brake lights, turn signals, electric brake, auxiliary power, ground, and reverse lights. The connector attaches to your vehicle’s electrical system and mounts to the bumper. It provides an ergonomic, durable plastic construction that is corrosion-resistant to withstand extreme weather. Leia Mais