Caravan Socket Wiring Diagram. If you look at a socket or plug you should be able to see the pin lables 1 7. The car charge line blue cable is now left unused the caravan battery is now charged via the green.
Main inlet is orange sheathed and likely to be 25 sq mm. The 13 pin euro trailer plug is used for supplying all trailer or caravan lighting including reverse and gives auxiliary power to other systems such as fridges internal lights and charging systems. There are some important differences in the 12s socket wiring in caravans manufactured prior to 1999 and after 1999.
Trailer plug wiring diagrams.
Power or battery charging. 13 pin electrics combines both the basic and advanced electrical features needed for towing within one plug. On what is know as single electrics it is the only socket added. Wiring diagram reference trailer plugplugaluminium.