This auto probe carries out tests on DC automotive electrical circuits from 6V up to 24V quickly and efficiently. It is ideal for detecting short circuits and locating bad earths. It is also great for continuity tests and powering up components prior to fitting. The probe has an easy-to-read LED display, which illuminates green for positive voltage and red for negative. It has a long 3.45m cable to enable testing to be carried out right around the vehicle. Supplied with 2 x crocodile clips, wire probe and back probe.