Specifications: Item Type: Electrical Plug & Sockets Item Name: 7 to 13 Pin Adapter Color: Black Material: ABS + Copper Voltage: 12V Cable Length: 42 / Wire Diameter: 7*0.5mm / Line Diameter: 6.4mm Package Dimensions: 15 x 10 x 8? / 6 x 4 x 3.2 inches Package Weight: 300g / 10.6 ounces Package Contents: 1 * 7?? Trailer Plug 13 Pin Wiring Configuration: 7 Pin Light Connections - Black Cable Function 12 N PIN 1 - Yellow Wire (Left/Right Turn Signal) PIN 2 - Blue Wire (Rear Fog Light) PIN 3 - White Wire (Earth Return) PIN 4 - Green Wire (Desc Turn Signal) PIN 5 - Brown Cable (Right/Right Tail & Number Plate Lamp No.) PIN 6 - Red Wire (Brake Lights) PIN 7 Black Cable (Left/Right Tail & Number Plate Lamp No.) 13 Pin Light Connection - 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 Light) Pin 7 - Black Wire (Left Tail/Side Light) Pin 8 - Pink Wire (Reverse Light) Pin 9 - Orange Wire (12V Permanent Battery Supply) Pin 10 - Gray Wire (12V Ignition Inserted (Charging Battery or Fridge)) Pin 11 - Black Wire (Ground for Terminal 10) Pin 12 - White/Blue Wire (not usually used) Pin 13 - White/Red Wire (Ground for Terminal 9) Note: If this is not the standard wiring color, you should note the number of pins per wire before removing the old plug and simply connect the new plug in the same way.