Tlily - Trailer Tester, 13Pin Trailer Plug Socket Tester, 12V Trailer Lighting Tester for Trucks rv Caravans Cars Boats Trailers

13 Pin Trailer Light Tester - Can immediately indicate the wiring fault on the tractor and trailer, one side is connected to the 13 pin socket of a trailer and the other side to the 13 pin socket of the towing vehicle. Premium Material: Use high quality plastic and copper head needles, matched with the female needles, with a matte and stable connection. Easy to Use: Plug and play. Simply plug into the vehicle socket, press the yellow button on the side of the tester and the LED indicator will display the diagnostic result. Need a 9V battery (not included) : The performance is safe and reliable, the is reasonable and portable, the appearance is elegant and convenient to use. Even if you are outdoors, you don't have to worry about wasting time testing. Wide Use: The 13-pin trailer connector tester is a normal European, suitable for cars, caravans, motorhomes, trailers, bicycles, transport vehicles, etc. Material: plastic color: black Package Contents: 1 x Trailer Tester Only the above