How to Test a Car Battery? To measure battery load, conduct three voltage tests with the multimeter. Start the first test by making sure the vehicle is turned off. Multimeters have two probes: red and ...

But, if you don’t have a multimeter, here’s another way to test an ignition coil, with an ignition tester system. It’s inexpensive and works for any small engine.

A multimeter can be used to gather the same information found with a test light and then some. To test for power, start by selecting the appropriate setting on your multimeter.

Car batteries don't just die. Something is sucking up all its power. A parasitic draw test helps you find out which part is to blame.

If a device stops working, it can be tough to tell if its battery has died or the product itself. There are easy ways to rule out a dead battery, though.