Item Name: Wiring Circuit Car Adapter Trailer Socket Tester Tow Bar Wiring Circuit Light. Voltage output: 12VApplications: Commercial vehicles / trailers / RVs / cars / ships, etc.Shape: roundProduct information:7 pin to 13 pin Towing Socket Converter AdapterProduction process: injection moldingMain function: connecting trailer and power supply, suitable for trailer signal displayNumber of stitches: 7 to 13 coresNumber of cores: 7 to 13 coresContact material: copperMaterial: plasticInsulator material: engineering plasticUse description:Trailers (RV can also be used)1.Connect the 7-hole plug of the trailer to the tester2.Press the yellow button on the side of the testerTest every car every pin socket functions: open the left turn signal, the tester Yellow No. 1 indicator will light up if the LED is not lit, the line connection error or a bad line. Repeat these two steps can be tested separately right turn signal / fog lights /etc.Features:Can effectively test what the problem is for 7 pins plug and socket connection.Carefully selected materials, frosted surface.Cross slotted Copper needles, cooperate with the female pin.The cross slotted of size is easier to control. (The size of the a slotted is not stable)Safe and dependable performance, reasonable design. Deft appearance, convenient
