12S Wiring Diagram for Caravans
| Terminal No. | Function | Seven Core Wire Colour |
|---|---|---|
| 1. | Reversing Light | Yellow |
| 2. | Positive Ignition key ON (Battery Charging) | Blue |
| 3. | Earth | White |
| 4. | Positive direct from battery | Green |
| 5. | Reverse Sensor (Optional), usually spare | Brown |
| 6. | Positive Ignition key ON (Fridge) | Red |
| 7. | Earth return for Fridge (Terminal 6) | Black |
