About 20 years ago, this author had one of those memorable moments, the kind when you see a fresh new car for the first time ...

Open-hood tinkering faded as plastic shields, computers, and emissions rules took over engine bays.

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When working on electrical projects around the home—whether you're troubleshooting an HVAC issue, figuring out why a wall outlet suddenly went dead, or testing a car battery before you reach for a ...