Trailer 12N Wiring Diagram - Western Towing - Exeter, Torbay, Newton Abbot, Devon

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

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