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Newsletter & Offers

Our newsletter includes towing tips, new products, special offers & changes in towing law and more.

12N and 12S Caravan & Trailer Wiring Charts

from Western Towing – www.westerntowing.co.uk

12N (Normal) Socket & Plug Wiring

Pin No. Function 7 core wire colour
1 Left Hand Indicator Yellow
2 Rear fog light(s) Blue
3 Earth White
4 Right Hand Indicator Green
5 Right Hand Side lights, marker lights & number plate light Brown
6 Brake lights Red
7 Left Hand Side lights, marker lights & number plate light Black

 

 

12S (Supplementary) Socket & Plug Wiring

Pin No. 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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