Wiring Diagram For A Trailer. Wiring diagram for a 13pin euro trailer plug. Some previous versions of it were titled wiring a vehicle for trailer towing.
Below is a diagram of a 12n trailer plug with coloured pins as they are wired. The electrics are required to power the lights on your trailer and if you own a caravan the internal electrics inside the caravan therefore it is important to ensure that it is done correctly. In some cases and more often in europe the trailer light will be connected using a 13 pin plug and socket.
Attach the ground wire with a stainless steel screw.
Plug size is similar to an australian 10c coin. Other wiring diagrams on this site. Pins 2 and 5 are not used on our standard range of trailers. This is currently the most popular plug used for towing as it does the lighting on most trailers and caravans.