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 ...

Continuity testing is one of the most valuable functions on the modern multimeter. It will help you investigate wiring problems in your car, tell you if you’re holding a nullmodem serial cable ...

A continuity tester checks if these metal parts are worn or broken, and it will light up if the switch is good, while a multitester has a needle or meter that will spring to life.