Automotive Circuit Tester VDIAGTOOL V210 VDIAGTOOL V210 automotive open & short finder circuit tester powered by 2pcs 9V batteries performs easily locating the circuit breaker point, open connections, broken wires, current leaks with tone change, even trace wire/cable without damaging the insulation. This is a convenient and efficient circuit instrument for DIYers, electricians, and technicians, to simply and quickly judge the continuity of the cables/wire and diagnose the breaker point.
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