Wiring diagrams for 7 pin 12n n type trailer lights plugs and sockets. 7 pin 12n wiring diagram.
6caa428 2006 Gmc 3500 Tow Plug Wiring Wiring Library
7 pin trailer socket wiring diagram ireland. This supplies power to the road lighting of your trailer or caravan. If you have a 13 pin socket fitted to your vehicle adaptors to plug in so you can use a normal 7 pin plug are available. The 7 pin n type plug and socket is still the most common connector for towing. How to wire a 7 pin trailer plug. Trailer electrical connectors come in a variety of shapes and sizes. In some cases and more often in europe the trailer light will be connected using a 13 pin plug and socket.
12 n type plugs are used for road lighting only. It will also become standard in the uk and ireland over the next couple of years on new trailers caravans etc. Refer to the wiring diagram for your truck and determine which wire in the. To wire a plug or socket the first thing to do is to disassemble the plug or socket this is very simple as the centre part that the wires fasten into can then be removed giving easy access. There is a lot wiring that you have to tie into your trucks wiring harness but it is easier to do than it seems. The table and diagram below explains the connections used on a 7 pin setup.
Both 12n and 12s electrics are contained within the socket which has 13 pins rather than 7. This is the standard uk wiring of a the normal socket and plug otherwise known as 12n. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. By law trailer lighting must be connected into the tow vehicles wiring system to provide trailer running lights turn signals and brake lights. This socket is used in mainland europe and from 2008 all caravans manufactured in europe will be wired up with 13 pin plugs. Wiring a 7 pin plug on your truck can be a little intimidating when you are looking at it from outside the box.
Below is a diagram for the original plug and socket showing the functions of each pin. This has now been replaced by 13 pin euro plugs on all new caravans. The diagram below shows the view from outside the vehicle socket under the flap and from inside the trailer or caravan plug.