What Does a Car's Alternator Do?

Automobile engines burn gasoline or diesel, but they need a constant supply of electricity to do that. This is why they have batteries and alternators. The battery stores electricity, but what does the alternator do?

Your car's alternator is its electric generator. Once the engine starts using the voltage in the battery, the alternator begins generating a constant current of electricity. It's typically turned by the engine's serpentine belt. The electricity it generates powers the engine, the car's lights, and everything in the cabin like your stereo and dash lights. At the same time, the alternator charges the car's battery, so it stays fully charged.

If you notice any electrical problems like dim lights or a dead battery after a drive, bring your vehicle to our service center in Baltimore. Here at Thompson Mazda, our experiences automotive technicians can help with diagnosing the problem.

Categories: Parts

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