This is a great tool and I don't know how I survived without it for so long. Before I knew about this tool, I used an ohmmeter and special wires and clamps to get to the remote parts of the car and it took so long to track down electrical shorts or open circuits. I can find faulty electrical wires or faulty electrical parts in 1/3 the time. I can apply direct current to an electrical device with the flick of a switch. Perhaps the best way to understand all the different ways to use this tool is to watch YouTube videos that people have posted.
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