The Carpoint 13-core trailer cable can be connected to 13-pin plug sockets of a trailer, trailer or caravan. The 13-pole system transmits all basic electrical functions of the car. Each conductor has a diameter of 1mm² and its own colour;

• white/red (charging battery mass)
• yellow (indicators left)
• green (direction indicators right)
• brown (rear light/width light and number plate right)
• black (rear light/width light left)
• blue (fog light)
• red (brake lights left and right)
• white/black (earth for pole 9-12) The open cable ends are easy to fit to a 13-pole plug. The Carpoint trailer cable has a length of 25 metres.