Trailer 7 Pin 12N Wiring Diagram ( How To Wire A Trailer Plug)

12n 7 Pin Trailer Caravan Plug
12N 7 Pin Trailer Plug

In this article we will look at how to wire a 7 pin trailer plug to the 12N European standard. These are the type of plugs used on car trailers and caravans. Although it can be daunting at first. With the right tools it takes very little time.

To wire a 12N 7 pin plug you need a couple of tools. Wire Strippers and an assortment of screw drivers.

Here is a diagram of the wire colours and positions:

12n Trailer Caravan Plug Wiring Diagram
12N Wiring Diagram

Just in case the picture doesn't make sense here is a written version of the 12N 7 Pin Trailer wiring diagram:


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

 Did this help you? Please let me know in the comments below!

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