Voltage Tester and Detector 7 Conductor RV Line Signal Detector Trailer Plug Connector Tester

Description

One end of the 12V tester is connected to the 7-hole socket of the trailer, and the other end is connected to the 7-hole socket of the car. The tester’s light quickly indicates whether the trailer or car coil is properly connected. How to use: Trailer (can also be used for RV): Connect the plug to 7 holes at one end of the trailer at one end of the tester Press the yellow button on the side of the tester If all the LED lights are on, it means the circuit is normal. The function of each LED light is as follows If none of the LED lights are on, the wiring is not properly connected Connect the tester to the socket on the car side Press the yellow button on the side of the tester If all the LED lights are on, it means the circuit is normal. Test the function of each pin of each car socket: turn on the flashing light left and tester LED #1 will illuminate. If the LED light is not on, it means the line connection is wrong or the line is broken. Repeat these two steps to test the right turn