The table and diagram below explains the connections used on a 7 pin setup. This report will be talking wiring diagram for 7.

Wrg 4838 7 Wire Diagram For Tow
Uk 7 pin trailer plug wiring diagram. Wiring diagram for 7 pin trailer plug wiring diagram 7 pin trailer plug ford wiring diagram for 7 pin flat trailer plug wiring diagram for 7 pin round trailer plug folks comprehend that trailer is a car comprised of quite complicated mechanics. Plug size is similar to an australian 10c coin. Ensure that there is a good clean earth connection to the vehicle body the 7 pin socket the trailer 7 pin plug and the trailer lamp units. In the uk trailer lights are normallly connected using a 7 pin plug and socket known as a type 12n. How to wire up a uk trailer lighting plug 1947 duration. On most recreational vehicles.
If you look at a socket or plug you should be able to see the pin lables 1 7. This supplies power to the road lighting of your trailer or caravan. Large 5th wheel trailers. Twin electrics is a 2 plug system which combines the single 7 pin 12n electrics socket with a 12s electrics socket. Use the 7 pin connector anyway see below and just leave out the last 2 wires. In some cases and more often in europe the trailer light will be connected using a 13 pin plug and socket.
In the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest. This vehicle is designed not only to travel 1 place to another but also to take heavy loads. 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. Below is a diagram for the original plug and socket showing the functions of each pin. This is an extension of the 7 pin flat. The 7 pin n type plug and socket is still the most common connector for towing.
7 way trailer wiring diagram is explained in details in the picture and the table below. Small 7 pin round qld identifying. In some cases and more often in europe the trailer light will be connected using a 13 pin plug and socket. This has now been replaced by 13 pin euro plugs on all new caravans. If your truck has a built in 7 pin socket but you only need 5 of the pins. 7 way trailer connectors are used by the following vehicle types.
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. 7 pin trailer wiring diagram with brakes. Check and test the fuses on all circuits. The 7 pin flat plug will fit into a 12 pin flat socket and work perfectly. All diagrams are as viewed from the cable side see example above. Wiring diagram for self switching relay on 12s socket.
How to wire a 7 pin trailer plug diagram shown. Wiring diagram for double relay on 12s socket.