Check the listing for details. Trailer / Caravan Plug 7 Pin N Type Aluminium Metal Casing TR040. Condition: New. Listed at 17.71 USD. Trailer / Caravan Plug 7 Pin N Type Aluminium Metal Casing TR040 Description This listing is for a metal 7 Pin plug (N type) to do the lights on a caravan or trailer. Ideal for new builds or for replacing damaged plugs on existing trailers. Screw connection inside the plug, easy for DIY replacement. (See fitting guide below) Brass pins in a durable metal housing with rubber seal. Provides connections for indicators, side lights, brake lights and fog lamp. Also available with a plastic case, please see our shop for this version. PIN 1 Yellow Wire (Left Indicator) PIN 2 Blue Wire (Fog Lamp) PIN 3 White Wire (Earth Return) PIN 4 Green Wire (Right Indicator) PIN 5 Brown Wire (Right Side light) PIN 6 Red Wire (Brake lights) PIN 7 Black Wire (Left Side light) This guide shows the standard wiring colours, but your trailer might not be standard. If it is not then you should note which pin number each wire goes to before removing the old plug and simply connect the new one the same. We have more products available in our store Click Here