Professional tool for auto electricians and mechanics. Suitable for the following tests on systems from 6 volts up to 24 volts quickly and efficiently with LED indicators and audible tone for when the circuit breaker trips. Reduces diagnostic time in automotive electrical systems. Simply hook the unit on to the vehicle's battery, then you can conduct a positive or negative battery current to the tip by rocking the power switch forward or backward. The unit is short circuit protected and can test for bad ground contacts instantly. Allows you to follow and locate short circuits Also, test for continuity with the assistance of its auxiliary ground lead. Supplied with a 5-meter cable to allow the user to test electrical systems quickly and easily. This unit will make a sound .
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