Nova Caravan 12 Pin Plug Wiring Diagram
A colour coded trailer plug wiring guide to help you require your plugs and sockets.
Nova caravan 12 pin plug wiring diagram. 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. The sterling has only a 7 pin plug and obviously fitted into the 12 pin to tow home. 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.
The most popular anderson plug size is the 50a plug. Put in a breakaway monitor and tow vehicle and heritage were wired with 12 pin plugs. Just traded my jayco heritage van and update to a sterling. Includes guides for 7 pin 6pin 5 pin 12 pin 13 pin pin and heavy duty round plugs and sockets.
However i would suggest you have a heavy duty 7 pin round plug socket and use the anderson plug for heavy current. The 12 pin flat plug have a second row of 5 larger points which will accept up to 6mm auto cable. Tow vehicle initially used a flat 7 pin plug and powered the fridge when driving a van before the heritage. The large pins on the narva 12 pin plug are rated at 35a.
I am using the 12 pin plug socket and since i have a 12v fridge it is quite adequate but in hindsight i wish i had the anderson plug.