12N and 12S Wiring Charts

12N (Normal) Socket & Plug Wiring

Terminal Number Function 7 core wire colour
1  Indicator Left Yellow
2  Rear fog light Blue
3  Earth White
4  Indicator Right Green
5  Side lights, marker lights & number plate light Right Brown
6  Brake lights Red
7  Side lights, marker lights & number plate light Left Black


12S (Supplementary) Socket & Plug Wiring

Terminal Number Function 7 core wire colour
1  Reverse 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


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