Caravan & Trailer 13 pin Wiring Chart

 
Terminal Number Function 13 core wire colour Cable Core Size
1 Left Hand Indicator Yellow 1.5
2 Rear fog light(s) Blue 1.5
3 Earth for contacts 1 to 8 White 2.5
4 Right Hand Indicator Green 1.5
5 Right Hand Side lights, marker lights & number plate light Brown 1.5
6 Brake lights Red 1.5
7 Left Hand Side lights, marker lights & number plate light Black 1.5
8 Reversing light(s) Pink 1.5
9 Positive direct from battery (Power) Orange 2.5
10 Positive ignition key on (Fridge) Grey 2.5
11 Earth return for contact 10 White/Black 2.5
12 Signalling connection to trailer White/Blue 1.5
13 Earth return for contact 9 White/Red 2.5