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Tool's ability to measure amperage and adjust voltage top list.
Alex Portillo, the lead technician at Car Clinic, an auto repair facility in Mahopac, NY, has been using a Power Probe ever since he learned how to do a voltage drop test. When he was given the new Power Probe Hook to test out, he admits at first that he was "intimidated."
"It's bigger and it has a ton of buttons on it," says Portillo. "The top button with the 'plus' sign on it supplies power and the 'negative' button below supplies ground, but what is really awesome is that when you are supplying power or ground, it tells you amperage and ohms. That just really makes the whole tool in my opinion.
"Knowing how much amperage a load is pulling helps diagnose alot of things. For example, if an electric motor is...