Using your multimeter (DVOM or digital volt ohm meter) to scope out excessive voltage drop. Diagram from one of the author’s books, Advanced Marine Electrics and Electronics Troubleshooting We ...

Last week, I stepped through the basics of automotive electrical circuits, explained how electrical current needs to flow ...

Not knowing how to troubleshoot electrical issues is a death sentence for any DIYer’s bank account. Your only other option is a wild goose chase by throwing money at your car until the problem’s fixed ...

Using a digital multimeter (DMM) to verify that a circuit is de-energized is a good safety practice. Let’s walk through the steps Carl takes before replacing a motor starter. With this test, he does ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The Takeaway: The Greenlee TK-30A may be the perfect electrical test kit. It weighs ...

When you measure a voltage, how do you know that your measurement is correct? Because your multimeter says so, of course! But how can you trust your multimeter to give the right reading? Calibration ...

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 ...

Fortunately, if you’ve ever needed to test the voltage on your USB-C devices, there is a tool for you. There are quite a few USB-C voltage meters on the market, including one from one of my favourite ...