No need to get your nose close. Use a voltmeter or multimeter (your new best friends). Then check the battery voltage—around 12.6V when off, above 13V when running (with engine on). And, while testing ...

Our hacker [John Duffy] wrote in to let us know about a video he put together to explain the design of his open-source multimeter, the HydraMeter. If you’re interested in how the circuitry ...

Explore the BHEL Artisan Syllabus 2025, including exam pattern, post-wise syllabus, prep tips, and other details on this page ...

But if you’re one of the lucky few who can deal with these problems and you like solving automotive mysteries, then you can save the day as a mobile mechanic.