What Is a Multimeter? 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 ...

A failing alternator can leave you stranded on the side of the road. Here’s how to make sure yours is working properly, with tips from an expert.

Mechman's alternators are always hot rated and test in at 145-225 amps, depending on vehicle make and customer preference. The amperage output for our project Toyota alternator tested at 175 hot ...

Alternator Ratings The term “high-output” for alternators simply means the new, rebuilt, or rewound unit is capable of producing more amps across the board than a stock unit.