Qiping 13 Pin Trailer Light Tester Wiring Diagnostic for Socket Connector Pole 12 V

Use high quality ABS + copper material, durable and frosted shell, black color. CE EN61000; RoHS EN62321 certified. Troubleshooting: Indicates any failures in the wiring circuits of the car or trailer lighting. Plug and play, no cutting or splicing required. Operation Method: When using, insert the tester into the tested fault plug or socket and press the yellow button to enter the test power on state. Note: You need a 9V square battery to activate the tester, otherwise it will not work. (Not included) Usage: This 13 pole connector tester for 12v automotive traction vehicles, trailers, tractors, trucks, RVs, agricultural vehicles, agricultural machinery to be tested electrically., Manufacturer: Qiping