General description This trailer plug adapter converts your car's 13-pin socket to a 7-pin female socket, making it suitable for European standard trailers. It can power your caravan, trailer, and truck, establishing a stable and safe connection between your host vehicle and the towing vehicle while transmitting electronic light signals near the trailer. Technical specifications Type: 13-pin to 7-pin adapter Material: Environmentally friendly nylon housing Installation Simply plug this small adapter into the 13-pin socket. Plug your standard 7-pin connector into the other side. After pushing the adapter halfway into the socket, turn it 90 degrees (1/4 turn to the right) clockwise to secure it in place. Usage Suitable for all weather conditions with a waterproof protective cap and spring. Can remain on the vehicle permanently.