High qualiyt 13pin trailer testers for truck

Features: 
Suitable for 7 pin European standard trailer. Test for 7 pins plug and socket connection N style. 
Waterproof for all road and weather conditions. 
Establishes a secure connection between your major vehicle and the additional trailer. 
Transfers the electronic signal lights from the vehicle to trailer. 
Plastic construction prevents rusting, enhances appearance and makes plug removal a snap. 
Supplies power to your caravan, towing and truck. Brass pins in a durable housing. 
Specifications: 
Item Type: Trailer Tester, Electrical Plug & Socket 
Material: Plastic 
Color: Black 
Input Voltage: 12V 
Certification: CE, RoHS, PAHS  
Wiring Configuration:
PIN 1 - Yellow Wire ( left hand direction indicator )
PIN 2 - Blue Wire ( rear fog lamp )
PIN 3 - White Wire ( earth return )
PIN 4 - Green Wire ( right hand direction indicator )
PIN 5 - Brown Wire ( right hand tail and plate lamp )
PIN 6 - Red Wire ( stop lamp )
PIN 7 - Black Wire ( left hand tail and plate lamp )
PIN 8 - Pink Wire ( reversing light )
PIN 9 - Orange Wire ( 12V permanent power from battery )
PIN10 - Gray Wire (12V ignition on battery charging or fridge )
PIN11 - White / Black Wire ( earth for terminal 10 )
PIN12 - White / Blue Wire ( not usually used )
PIN13 - White / Red Wire ( earth for terminal 9 )