Which colour wire goes where in a trailer plug. When assembling a plug always remember to slide any gromets and caps down the cables before you start to attach cables. The pins usually have a small screw to retain the wire on the back.

On the rear of the pins the numbers are marked in the plastic next to each pin. Wiring Diagram for a 13pin Euro trailer plug.īelow is a diagram of a 13 Pin Euro trailer plug with coloured pins as they are wired. The 7 pin ‘N’ type (12N) plug will still be used on O1 trailers and many Towbar fitters will still offer the 7 pin Socket as the cheapest alternative. Or a 7 way Universal Bypass Relay and a Split-Charge RelayĬonverters are available to allow you to convert 7 pin plugs to 13 pin or 13 pin to 7 pin. Many major manufactures have been fitting reverse lights and 13 pin plugs on O2 trailers for a few months before this date.įor this plug to work effectively, we advise using a vehicle specific wiring loom The 13 Pin Euro plug has been used on Caravans since 2008.ĭue to new laws, any newly manufactured 02 class trailer are now required to have a Reverse Light.ġ3 Pin Plugs do have a reverse light facility, whereas a 7 Pin plug does not. The 7 pin standard trailer socket, it also covers the wiring of any UK trailer and most. To view our range of 13 Pin Euro Plugs, Sockets, Extensions & Convertors: CLICK HERE Here are the wiring diagrams for UK 7 pin & 13 pin sockets or plugs. This replaced N and S type 7 pin sockets used on trailers and caravans in the UK and Europe. The 13 Pin Euro trailer plug is used for supplying all trailer or caravan lighting including reverse and gives auxiliary power to other systems such as fridges, internal lights and charging systems. Wiring 13 pin euro trailer plug & sockets

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7 pin trailer connector pinout