Set the multimeter to the amps position, remove the positive battery cable, and insert the multimeter probes inline between the battery cable and post.

Current measuring on a meter is usually for DC amperage. You need to either get a CT adapter to measure Ac current or just get a real ampmeter.

A multimeter is an electronic measuring instrument that is used to gauge volts, amps, and resistance from an electrical source. The most common automotive application for a multimeter is to test the ...

In fact, it's our pick for the best general-purpose multimeter. This no-nonsense unit can measure AC and DC voltage, DC current, electrical resistance and even has a continuity meter.