Tirol 13 Pin Towing Light Circuit Diagnostic Tester Signal Plug Socket for Trailer Caravan Truck

Description This tester connect 13 pins plug of trailer between 13 pins socket of a car It helps to diagnostic follow problem 1 Some LED do not light up 2 None of the LED light up 3 One or more LED are weak or twinkle 4 All the LED are weak or twinkle 5 The lights of the trailer do not light up but the LED do Specification Brand Name TirolNumberT23331Name Trailer TesterMaterial ABS copperType 13 PinApplicableDiagnostic ToolsColorBlackWeight 220gSize 20 5x4 5x5 5cmInstrument 1 Put the tester in the socket of the car 2 Press the yellow button on the side of the tester 3 If the wiring is good all the LED light up Do again steps 4 as previous Tip You can also test the functions of each pin of the socket 1 Switch on the left hand indicator after switching on the ignition key 2 The corresponding LED must flash with the same frequency If not left hand indicator wiring is defective broken 3 Repeat steps 1 and 2 for the right hand indicator rear light fog light and stoplights 4 With a 4 m extension cable you can test the functions form the drivers seat more easily Package Included 1 X Trailer Tester