vehicle and the additional trailer; Transfer the electronic signature from the vehicle to trailer. Specifications: Brand: Tirol Item NO.: T22468 Item Type: Electrical Plug Sockets Item Name: 7 To 13 Poles Adapter Color: Black Material: ABS #43; copper Voltage: 12V Cable Length: 42cm/ Wire gauge: 7 * 0.5mm / Line diameter: 6.4mm Package Size: 15 * 10 * 8cm / 6 * 4 * 3.2in Package Weight: 300g / 10.6oz Package List: 1 * 7 To 13 Pin Trailer Plug Wiring configuration: 7 Pin Lighting Connections - 12 N Black Cable Function PIN 1 - Yellow Wire (Left/H Direction Indicator) PIN 2 - Blue Wire ( Rear Fog Lamps ) PIN 3 - White Wire ( Earth Return ) PIN 4 - Green Wire (Right/H Direction Indicator) PIN 5 - Brown Wire (Right/H Tail No. Plate Lamp ) PIN 6 - Red Wire (Brake lights) PIN 7 - Black Wire (Left/H Tail No. Plate Lamp ) 13 Pin Lighting Connections Cable Function Pin 1 - Yellow Wire ( Left Indicator ) Pin 2 - Blue Wire ( Fog Light ) Pin 3 - White Wire ( Earth Return ) Pin 4 - Green Wire ( Right Indicator ) Pin 5 - Brown Wire ( Right tail / Side Light ) Pin 6 - Red Wire ( Brake / Stop Lights ) Pin 7 - Black Wire ( Left tail / Side Light ) Pin 8 - Pink Wire ( Reversing Light ) Pin 9 - Orange Wire ( 12V Pemanent power from battery ) Pin 10 - Grey Wire ( 12V Ignition on ( Battery charging or Fridge ) Pin 11 - White / Black Wire ( Earth for Teminal 10 ) Pin 12 - White / Blue Wire ( NOT usually used ) Pin 13 - White / Red Wire ( Earth for Teminal 9 ) Note: This shows the standard wiring colours, but your car might not be standard. If it is not then you should note which pin number each wire goes to before removing the old socket and simply connect the new one the same.