A primer in basic electrical troubleshooting (part II: using a multimeter)

Last week, I stepped through the basics of automotive electrical circuits, explained how electrical current needs to flow ...
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Here's How To Tell If A CR2032 Battery Is Bad

An extreme close-up of a 3V CR2032 button cell battery - VGV MEDIA/Shutterstock If you've had to replace the battery in an Apple AirTag, you've seen a CR2032 battery up close. The performance of the 3 ...
How-To Geek on MSN

This $60 multimeter has saved me from so many bad repair guesses

A cheap multimeter won't repair gadgets for you, but it quickly shows what's actually broken.
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Here's How To Tell If A CR2032 Battery Is Bad

We may receive a commission on purchases made from links. If you've had to replace the battery in an Apple AirTag, you've seen a CR2032 battery up close. The performance of the 3-volt CR2032 lithium ...