A multimeter will check the battery voltage. If it’s higher than the rated voltage, your battery capacity is okay. But if it’s lower, you’ll have to replace your battery. Testing without a multimeter ...

When your car doesn’t start, often a low or dead battery is the culprit. Unfortunately, most vehicle owners do not check their battery until it fails. As preventative maintenance, the suggested best ...

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 ...

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 ...