For automotive circuits, we recommend an auto-ranging meter with at least 20MΩ of internal resistance. Make sure to use the correct multimeter setting for a car battery.

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 ...

Multimeters are a vital part of any electronics project, but learning how to use one isn't as simple as it looks. Thankfully, the above video from Ada ...

Ever wondered how pros test auto wiring without stripping wires? This Harbor Freight kit helps you do it, like they do, without zapping yourself.