Practical The trailer socket is easy to install and use, just plug it in.Power supply The trailer socket can be used to power the lights of a trailer or caravan. Power your caravan's fridge and charge your caravan's battery during your trip to ensure everything is ready to go at your destination. DurableThe trailer plug's black plastic construction prevents rust and extends life. .Perfect replacementThe trailer plug creates a solid connection between the trailer and the power source and is an ideal replacement for your old trailer.Main applicationThe trailer plug is suitable for trailers and caravans, equipped with a 13 pin plug.Specifications:Material: PA Plastic BrassColor: BlackVoltage: 12V DCPackage Weight: Approx.140gFitment: Suitable for trailer, caravan wiring to brake light, side light and etc.Wiring configuration:PIN 1 - Yellow wire (left direction indicator)PIN 2 - Blue wire (rear fog lights)PIN 3 - White wire (ground return)PIN 4 - Green wire (right direction indicator)PIN 5 - Brown wire (right tail light, plate no.)PIN 6 - Red wire (brake lights)PIN 7 - Black wire (tail lamp left rear plate)PIN 8 - Pink wire (reverse light)PIN 9 - Orange wire (12v permanent power supply from 12v battery)PIN 10 - Gray wire (12v ignition on battery charge or refrigerator)PIN 11 - Wire white/black (Ground for terminal 10)PIN 12 - White/Blue wire (NOT usually used)PIN 13 - White/Red wire (Ground for terminal 9)Package included:1 x 13 pin plastic socket