An alternator is a generator that produces the electricity stored in a vehicle’s 12-volt battery and powers the starter motor for the engine and the various computers, lights, power windows and locks, ...

The battery is often the first thing that comes to mind when people think about what powers a car's electrical system. After all, batteries are what supply power to most of our devices. However, ...

The alternator is not a complex piece of machinery, yet it’s an integral part of conventionally fueled vehicles’ electrical systems, and like all car parts, it will ultimately break down. Here are the ...

From the earliest days of motoring, cars have evolved dramatically. The very first car envisioned by Carl Benz bears little resemblance to the vehicles we drive today; since then, engineers have found ...

A vehicle’s alternator generates the power that charges the battery, and when that power flow slows to a trickle or stops, you will be unable to use its electrical accessories, or the car will just ...

Replacing a car's alternator can cost about $350 to $1,500 or more, depending on the type of car and the alternator's location within the engine bay and how easy it is to access. If your alternator is ...

The alternator is responsible for charging the car battery and powering all the car's onboard network consumers. If it fails or is unstable, the battery will either not be charged or start discharging ...

Disconnecting the battery while the engine is running isn't a valid test for alternator function and may damage sensitive electronic parts. Instead, use a common voltmeter and the following test ...

It seems that the biggest growing segment of add-on performance parts for early muscle cars is electrical components. Electric fuel pumps, alternators, fans, megawatt stereos, and other amenities all ...

Cars waste tremendous amounts of heat--which is, after all, a form of energy. Now a professor at Cardiff University has suggested a way to repurpose it so as to reduce emissions. Thermocouples, which ...