This supplies power to the road lighting of your trailer or caravan. This connector is sometimes present on vintage vehicles and the actual wiring may be completely different from what the standard states which means that measuring before connecting is a good idea.
Truck 7 Pin Round Wiring Diagram Wiring Diagrams
7 pin trailer socket wiring. Twin electrics is a 2 plug system which combines the single 7 pin 12n electrics socket with a 12s electrics socket. The 5 pin has a design and pin layout that is identical to the 7 pin iso 1724 connector with the exception for the lack of pin 1 l and pin 4 r. If your truck has a built in 7 pin socket but you only need 5 of the pins. The 7 pin n type plug and socket is still the most common connector for towing. No power to 12 volt pin on 7 way of a gm truck. Wiring extension for flat towing a vehicle behind monaco rv with 7 way trailer connector.
Use the 7 pin connector anyway see below and just leave out the last 2 wires. This has now been replaced by 13 pin euro plugs on all new caravans. 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. I put this here because i had a hard time finding and figuring this out for my trailers. Heres the wiring diagrams showing the pin out for the plug and socket for the most common circle and rectangle trailer connections in use in australia. Does the ground need to be re done when installing a new trailer connector.
What is the purpose of 12v power on trailer connector for fifth wheel trailer. Wiring recommendation for the pollak metal 7 pole. Includes guides for 7 pin 6pin 5 pin 12 pin 13 pin pin and heavy duty round plugs and sockets. 7 pin trailer wiring is one of the most popular wiring configruations particularly the traditional configuration versus the sae j2863. A colour coded trailer plug wiring guide to help you require your plugs and sockets. Australian trailer plug and socket pinout wiring 7 pin flat and round.
Below is a diagram for the original plug and socket showing the functions of each pin. Use this 7 pin trailer wiring diagram to properly wire your 7 pin trailer plug. In the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest. By law trailer lighting must be connected into the tow vehicles wiring system to provide trailer running lights turn signals and brake lights. Trailer electrical connectors come in a variety of shapes and sizes. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector.
Gallery of 7 Pin Trailer Socket Wiring
