Gather as much information as possible about your car issue, including photos and videos capturing when a problem occurs. Not all information online is correct, and that goes for car repair advice.

Voltage Drop TestingMany common electrical difficulties can be diagnosed by using a simple voltage drop test to discover the root of the problem. The voltage drop test is a dynamic test intended for ...

When something goes wrong with a car's electrical system, it can be so frustrating and infuriating to diagnose that we sometimes just throw up our hands and blame the gremlins lurking in those ...

The Harbor Freight MADDOX back-probe kit lets DIYers test automotive sensors safely. Just insert between wire and insulation, ...

Carmakers torture test their creations to make sure they won’t overheat in almost every situation imaginable—from Death Valley to the northernmost reaches of Norway. But parts break over time, and one ...