The 7 pin S type plug and socket is usually used on a caravan to supply power to the reverse light and give ancillery power to other systems such as fridges and charging systems. This has been replaced in 2008 by 13 pin Euro plugs on all new caravans.
Below is the wiring diagram for this plug and socket.
7 pin 12 S wiring diagram
| Pin No. | Colour | Function |
|---|---|---|
| 1 | Yellow | Reversing Light |
| 2 | Blue | 12v ignition on (battery charging) |
| 3 | White | Earth for terminal 2 and 4 |
| 4 | Green | 12v Permanant (Direct from battery) |
| 5 | Brown | Revesing sensors (usually spare) |
| 6 | Red | 12v ignition on (Fridge) |
| 7 | Black | Earth for Terminal 6 |
Other wiring Diagrams on this site are listed below
7 Pin ‘N’ Type plug and socket
Tags: 12 S wiring, S type trailer wiring, Trailer Wiring, wiring 12 s caravan socket, wiring caravan Plug, wiring caravan socket, wiring grey caravan socket
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