When your car doesn’t start, often the battery is the culprit. Unfortunately, most vehicle owners do not check their battery until it fails. As preventative maintenance, the suggested best practice is ...

It's a must-have for any toolbox—but there's a learning curve involved. Learn how to use a multimeter for all of your electrical testing needs.

Testing With a Multimeter If you don’t have the required tools above, you can also test your ignition coils with a multimeter. Check the resistance on both the primary and secondary circuits.