ITEM NAME:13pin To 7pin Wiring Socket Towing Plug Conversion Adapter Lead Tool Car Trailer Description: 100% brand new and high quality Easy for installation and use. Connect the major vehicle and the additional trailer; Transfer the electronic signature from the vehicle to trailer&;nbsp; Notice: 1.You MUST check your vehicle part number before placing your order. 2. This is aftermarket replacement item but not genuine Specification: Item Type: 13Pin Plug to 7Pin Socket&;nbsp;&;nbsp; Package Size: Approx.8.5*9.5*8.5cm/3.35"*3.74"*3.35"&;nbsp; Material: ABS+ Copper&;nbsp; Color: Black+gray.&;nbsp; Voltage: 12V&;nbsp; 13 Pin Lighting Connections - Cable Function:&;nbsp; PIN 1 - Yellow Wire (Left/Hand Direction Indicator)&;nbsp; PIN 2 - Blue Wire (Rear Fog Lamps)&;nbsp; PIN 3 - White Wire (Earth Return)&;nbsp; PIN 4 - Green Wire (Right/H Direction Indicator)&;nbsp; PIN 5 - Brown Wire (Right/H Tail &;; No. Plate Lamp)&;nbsp; PIN 6 - Red Wire (Stop Lamp)&;nbsp; PIN 7 - Black Wire (Left/H Tail &;; No. Plate Lamp)&;nbsp; PIN8 - Pink Wire(Reversing Light)&;nbsp; PIN9 - orange wire(12v permanent power from battery 12v)&;nbsp; PIN10 - grey wire(12v ignition on (battery charging or fridge)&;nbsp; PIN11 - White/ black wire (earth for terminal 10)&;nbsp; PIN12 - white /blue wire (NOT usually used)&;nbsp; PIN13 - White/red wire (earth for terminal 9)&;nbsp; 7 Pin Lighting Connections - 12 N Black Cable Function:&;nbsp; PIN 1 - Yellow Wire (Left/Hand Direction Indicator)&;nbsp; PIN 2 - Blue Wire (Rear Fog Lamps)&;nbsp; PIN 3 - White Wire(Earth Return)&;nbsp; PIN 4 - Green Wire (Right/H Direction Indicator)&;nbsp; PIN 5 - Brown Wire (Right/H Tail &;; No. Plate Lamp)&;nbsp; PIN 6 - Red Wire (Stop Lamp)&;nbsp; PIN 7 - Black Wire (Left/H Tail &;; No. Plate Lamp)&;nbsp; Caravan 7 pin supplementary circuits 12S grey cable function:&;nbsp; Pin 1- Yellow Reversing Lamps&;nbsp; Pin 2 - Blue Battery Charging (original UK system)&;nbsp; Pin 3 - White Earth Return (for pins 2&;;4)&;nbsp; Pin .Item Type: 13Pin Plug to 7Pin Socket&;nbsp;&;nbsp;. 1 13Pin Plug to 7Pin Socket&;nbsp;. PIN 1 - Yellow Wire (Left/Hand Direction Indicator)&;nbsp;. PIN 4 - Green Wire (Right/H Direction Indicator)&;nbsp;.