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.

When I feel like dropping off the grid for a couple hours of “me” time, I head out for a walk in the park—in the junkyard.
Why does a set of steelies on the right vehicle hold such allure?
It’s up to you to tell them why.
How does your shop weigh the risk and reward of customer-supplied parts?
A shop foreman who did it for a year gained some firsthand experience that might help you answer the question.
In spite of the not-so-savory name, this ancillary piece of daily life in the shop is a beloved tradition in the automotive industry.