Checks interior and exterior lights·Checks Relays and power windows·Find short circuits and bad earths fast·Test power windows and electric motors·There power supply function when testing Shorted or overloaded circuits·Finds open or disconnected parts·Test the positive and negative voltage·Tests continuity in switches, relays, diodes & fuses, and wiring harnesses. Polarity test cables and sockets·Polarity test cables and socketsOperation Voltage:6~24V
