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.” ...

When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.

Zak is new to the CarBuzz team, working as a freelance content writer. When Zak isn't writing How To articles for CarBuzz he's working as a high school automotive technology instructor. Before ...

Car batteries don’t just die. Well, they will if you leave them for long enough. but not just over the course of a few hours or even just a day or two. Finding your car has a dead battery after it was ...

The power supply in your computer manages all of the power required to run each component of your computer. When this critical component begins to fail, your computer may power off unexpectedly, ...

Learn how to test a transformer: insulation resistance, TTR, winding resistance, polarity, continuity, and dielectric checks.

The alternator is responsible for charging the car battery and powering all the car's onboard network consumers. If it fails or is unstable, the battery will either not be charged or start discharging ...

Multimeters are indispensable tools when working on electronics. It’s almost impossible to build any but the most basic of circuits without one to test and troubleshoot potential issues, and they make ...

Measuring tiny differences in high-voltage circuits usually requires specialized differential test probes, which are often expensive. Fortunately, it’s possible to build your own high-voltage probe ...