12n 7pin trailer caravan lighting wiring diagram. Below is a diagram for the original plug and socket showing the functions of each pin.
Tow Bar Electrics
Trailer socket wiring diagram uk. This has now been replaced by 13 pin euro plugs on all new caravans. Use the 7 pin connector anyway see below and just leave out the last 2 wires. The 7 pin n type 12n plug will still be used on o1 trailers and many towbar fitters will still offer the 7 pin socket as the cheapest alternative. Below is a diagram of a 13 pin euro trailer plug with coloured pins as they are wired. The diagram below shows the view from outside the vehicle socket under the flap and from inside the trailer or caravan plug. In the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest.
Wiring diagram for a 13pin euro trailer plug. This is the standard uk wiring of a the normal socket and plug otherwise known as 12n. If your truck has a built in 7 pin socket but you only need 5 of the pins. Trailer connectors between the trailer and passenger car light truck or heavy trucks with 12v systems in europe both 7 pin iso 1724 and 13 pin iso 11446 are common. 1st august 2017 by western towing. Twin electrics is a 2 plug system which combines the single 7 pin 12n electrics socket with a 12s electrics socket.
You will need twin electrics if you require more power than what a single 7 pin socket can provide on a pre 2008 manufactured uk caravan post 2008 uk caravans are fitted with 13 pin connectors. The 7 pin n type plug and socket is still the most common connector for towing. The 13 pin version being phased in is newer provides more services than the 7 pin a more positive locking and also better protection against moisture and contamination. This supplies power to the road lighting of your trailer or caravan.
Gallery of Trailer Socket Wiring Diagram Uk
