Today we're going to review part number TR20141. This is the Tow Ready 7 way to 4 way and 5 way adapter LED lamp out bypass adapter for the Audi, Volkswagen, Mercedes, and Porsche. This adapter was designed to work with the Volkswagen, Audi, Mercedes, and Porsche vehicles and any other vehicles that otherwise not compatible when towing a trailer with LED lights. Basically on those vehicles,… see more >