3M 7 Pin Trailer Extension Coiled Cable with Adapter Plug Socket Connector 12V Core Lead Towing for Caravan Truck Male to Female

【Trailer cable 7-pin】Extension cable with 3M length, suitable for European standard trailers, for establishing a connection between the vehicle and additional trailer and for transmitting electronic signal lights from the vehicle to the trailer 【Waterproof & Durable】The trailer plug socket have a durable housing and waterproof material, plastic housing prevents rusting or corrosion. The extensive trailing wire has high elasticity, high toughness and durability, it has a long service life. 【Efficient Function】The extension cable is easy to insert and has a good grip. The robust spiral cable does not sag and can withstand strong pulling forces. Used for trailer, RV tail light signal synchronous display. 【Easy Installation】Plug and play design, provides power to your caravan, tow truck and truck so as not to be disturbed in an emergency, such as the car breaks down halfway, so this trailer cable can help you in an emergency. 【Wide Application】Used for commercial vehicles, tow trucks, caravans, saloon cars, ships and tractors, boats, truck brake joint tubes, semi-trailers, box trains and container transporters.