Accurate Wire Tracer Electrical: This circuit tracer is a very practical tool for fixing and diagnosing automotive electrical issues. Easy to Use:Good for basic troubleshooting without pulling wires apart.Simply connect the transmitter in series with the circuit or wire under test, (i.e.: in place of a blown fuse,across a connector, in series with an open wire, a light bulb socket, etc.), and scanning the circuit/wire with the tracers flexible probe to find the trouble spot.
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