TowSmart 7-Way Round Trailer End ConnectorThe 7 Way 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. The 7 way blade connector is commonly used on RV trailers and connects tail lights, brake lights, turn signals and reverse lights. The single housing design plugs in your vehicles electrical socket and splices into trailer wiring to provide a superior connection. It