If you’d like to fix or even diagnose anything involving electricity – whether it’s the energy that surges through a car, ...

We may receive a commission on purchases made from links. One tool you'll find stashed in all the best electrician's tool backpacks is a multimeter. Most modern multimeters are of the digital variety, ...

We earn commissions from purchases you make using links in our articles. Learn more. The alternator is a device that keeps your car’s electrical system running once the engine is on. It’s essentially ...

There's no greater disappointment then getting ready for a night on the town, or packing up your car for a nice trip, and your car battery is dead. Next comes the question: is my car battery at the ...

An illuminated battery light means there’s something wrong with the car’s charging system, which primarily consists of the battery and alternator, along with some associated components such as the ...

Modern digital multimeters (DMMs) are user-friendly, accurate, and safe — when used correctly! Reading voltage is simple, but measurements must be properly interpreted. With a clamp-on DMM, accurate ...

If your car or truck won’t hold a charge, or if you’re having signs electrical gremlins like dimming headlights, you probably ...

The electrical system of a piston-engine airplane may seem simple enough, but therein lays the problem – it’s not. Aging wiring, connectors, batteries, and issues with other components can play havoc ...

Diesel engine generators are critical for providing reliable power, especially in industries or regions with unstable electricity supply. At the heart of these generators lies the DC alternator, which ...

The reality is that like almost every component under the hood, a car battery has a finite lifespan and will conk out on you eventually. Weather conditions, corrosion, electrical shorts, charging ...