This electrical converter allows to change a European style 13-pin vehicle adapter to a American style 7-way blade Plug and play design, minimize the hassle of installing any new wiring inside, no other adapters needed Included a dust cover in the American trailer 7-way blade side to keep your plug clean when not in use Converter with the function of combining 'stop' signal to the two-wire system US vehicles Wiring Euro 13-pin vehicle connector to trailer with US 7-way blade trailer wiring