One of the simplest tasks a digital multimeter can perform is a basic voltage test on a car battery. Positive and negative terminals, hooked up to the car or not, will give a base number. The expected ...

While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to ...

If you don’t see any coolant in the reservoir, or at the top of the radiator, add coolant to your system and run the vehicle up to normal operating temperature. Retry t ...