AB Tools Tow Bar Electrics 7 pin S Type Plastic Grey Socket for Caravans TR044

This listing is for a 7 Pin socket (S type) to power supplementary circuits on caravans. Ideal for new tow bars or for replacing damaged sockets on existing cars. Screw connection inside the plug, easy for DIY replacement. Brass pins in a durable plastic housing. Provides connections for reversing lamps, battery charging, fridge and other power. PIN 1 Yellow Wire (Reversing Lights) PIN 2 Blue Wire (Battery Charging) PIN 3 White Wire (Earth Return for pins 2 & 4) PIN 4 Green Wire (Power Supply) PIN 5 Brown Wire (Spare) PIN 6 Red Wire (Fridge) PIN 7 Black Wire (Earth Return for Pin 6) This shows the standard wiring colours, that are recommended for maximum compatibility but your car might not be standard and older installations may vary. If your socket is wired differently then you should note which pin number each wire goes to before removing the old socket and simply connect the new one the same.