What You Need to Know About Your Car's Alternator

Your car's alternator lasts approximately seven years or 100,000 to 150,000 miles. Its main job is to keep your car battery fully charged and to power your vehicle's electrical systems, such as the radiator fan, defroster, headlights, windshield wipers and infotainment system. Here's how it works.

Your Car's On-Board Generator

Working much like a generator, an alternator gleans mechanical energy from the movement of your car as it rolls through streets. The alternator turns this mechanical energy into electricity your car's electrical systems can use. The alternator also ensures that the battery is always fully charged.

Importance of a Charged Battery

A fully charged battery ensures sufficient power to initiate the car starter that cranks your engine. Occasionally, a car that doesn't start has a dead alternator, not a dead battery. To troubleshoot, jump your dead car and remove the cables. If the engine keeps going, your alternator is fine. If the car dies again promptly, your alternator or you battery might be at fault.

Let us at State Park motors solve all of your alternator and car battery issues. Come down to see us today for a quick appointment with our factory-trained service techs.



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