ChrisTropea
ChrisTropea Associate Editor
4/19/23 12:00 p.m.

https://www.youtube.com/embed/yj5LTT8dSD4

Electrical circuits can seem extremely complex and scary to work with–especially if something goes wrong.

Worry not: Here’s how to use a multimeter to diagnose many common problems like a blown fuse, a bad switch and even a parasitic battery drain.

Watch more videos

David S. Wallens
David S. Wallens Editorial Director
4/24/23 12:54 p.m.

I recently found myself chasing a drain–or, rather, what I *knew* was a battery drain.

But I couldn’t find it.

So I asked my mechanic to check on the car–let it go to sleep and all that. At that point, the bill was worth saving the aggravation. 

His report? Yeah, no drain. 

David S. Wallens
David S. Wallens Editorial Director
4/24/23 12:55 p.m.

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