Your multimeter is a versatile tool. But for certain diagnostics, you need an oscilloscope to get a closer look at a vehicle’s electrical systems.
What an oscilloscope shows that your DVOM can’t (VIDEO)
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Read more from Andy Greaser
Rules of the torque wrench, explained
A helpful video investigation of proper (and improper) torque wrench techniques and habits.
What are rear fog lights, and when should you use them?
Get up to speed on a safety feature not often seen in the United States.
Watch how magnetizer/demagnetizer tools work in this excellent video
Demagnetizers demystified.
What does horsepower really mean? (VIDEO)
The essential unit of automotive power has an unexpected history.
How to choose a memory saver tool for cars and trucks
These simple tools can be worth their weight in gold if you know how to use ‘em.
Battery date codes are painfully unstandardized and you’re better off without them
Don’t waste your time with codebreaking. Just grab a paint pen.
Fuse box-compatible circuit breakers are the ultimate spares when space is limited
Throw a set of these resettable “fuses” in your toolbox.
The final days (and cars) of AMC
In November 1988, two employees snuck a camera into AMC’s Kenosha plant for a farewell tour.
Vehicle weights are increasing. Can your lifts handle it?
As new cars and trucks, especially EVs, get heavier than ever, it’s important to check your lift’s rating and condition.
Do you mind working on customer vehicles equipped with dash cams?
As dashboard cameras become more common, repair professionals should know how to deal with them.
Torches for courses: which heating tools should a mechanic own?
Supplement your shop’s oxyacetylene torch with alternatives.
Five things to know when working on HID headlights
Set yourself up for success with high intensity discharge lighting systems.