While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

Last week, we introduced you to the multimeter (“John, this is multimeter. Multimeter, this is John. John owns a vintage car. John really needs you.”) Today we’ll tell you how to use the multimeter to ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? A digital multimeter is an indispensable tool for testing, diagnosing, and ...

During the past month, we’ve covered how to use a multimeter to measure the trinity of voltage, resistance, and current. I’ve explained how this covers most electrical diagnosis in a car—how most of ...

We may receive a commission on purchases made from links. Electrical diagnostic work is one of the most challenging parts of automotive repair. It can be incredibly daunting for beginners or DIY ...