Diagnose dead headlights with our step-by-step troubleshooting guide. Learn to check fuses, bulbs, relays, and wiring—plus upgrade tips for reliable LED replacements.

Learn more on how to test a car battery with a Multimeter. Our team of experts prepared the guide on everything you need to know about testing a car battery.

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.

For all of you who have a multimeter thrown in a drawer or toolbox but don’t know how to use it, these instructions will help in your search for missing voltage.

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 ...