Caravan 12S Wiring Diagram

Terminal Number	Function	7 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