Tow-Ready 5-Flat To 7-Round Trailer Wiring Connector Adapter 20141 19-4590

It allows conversion of 5 way flat to a 7 way round connector. It is made of black plastic. Includes a LED lamp out by-pass. For vehicles with trailer lamp out sensors, such as Audi, Mercedes-Benz and Volkswagen vehicles with a factory tow package.