We may receive a commission on purchases made from links. Electrical diagnostic work is one of the most challenging parts of automotive repair. It can be incredibly daunting for beginners or DIY ...

Cars are more than just collections of integrated mechanical parts. They also use highly complex systems of electrical wiring and circuits. When working correctly, our vehicles’ electrical systems ...

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

Hi everyone, Randy here again. I guess I'm not screwing up as bad as I thought because those magazine editors keep asking me to write another column. They said as long as I have something to talk ...

Home improvement addicts really get excited about their power tools. And in the shadow of drills and sanders, the multimeter doesn't get much love. Too bad, because multimeters are just as useful and ...

Four Wheeler reader Allan asks:I have a 1985 and 1986 CJ-7 both set up almost exactly the same with the following exceptions: the 1985 has dual batteries with Kirkland batteries (6 months old) and a ...

I'm having problem with a starter motor on a riding mower, and need to check if the motor is getting juice and not working or if something else isn't working and no juice is getting to the starter.