Caravan Trailer Plug Wiring Diagram

View our electrical wiring diagram guides for towbar fitting to power trailer lights and internal caravan electrics.

Caravan trailer plug wiring diagram. How to wire a 7 pin 12 n type trailer caravan plug in the uk trailer lights are normallly connected using a 7 pin plug and socket known as a type 12n. Plug size is similar to an australian 10c coin. Our trailer wiring diagram is a colour coded guide designed to help you wire your trailer plug or socket. All diagrams are as viewed from the cable side.

A 12 pin plug is sometimes an alternative to an anderson plug if the caravanner wants just one electrical connection between car and van. The 12 pin plug can only take a 6mm diameter wire so it will not provide the charge of an anderson plug system. Trailer plug wiring diagram. This is the standard uk wiring of a the supplementary socket and plug otherwise known as 12s.

The 12 pin flat plug have a second row of 5 larger points which will accept up to 6mm auto cable. Small 7 pin round qld identifying. There have been slight variations over the years as most newer caravans control the battery charging in the caravan rather than from the towing vehicle. Or why not make your diy installation easier with our plug and play solutions.

All diagrams are as viewed from the cable side see example above. This is the standard uk wiring of a the normal socket and plug otherwise known as 12n. Small 7 pin round qld identifying. Socket and plug are keyed.

The diagram below shows the view from outside the vehicle socket under the flap and from inside the trailer or caravan plug. Plug size is. The most popular anderson plug size is the 50a plug. For more help please call 0330 333 1525.

12 pin flat this is an extension of the 7 pin flat. There is a noticeably larger gap between 1 and 6 on this plug though some trailer places rotate this connector that the yellow is at the top. The 7 pin flat plug will fit into a 12 pin flat socket and work perfectly. Australian trailer plug and socket wiring diagrams.

Trailer plug wiring diagrams use the correct size cable for the plug socket most standard plugs will accept up to a 4mm auto cable easily. However there is an important downside.