Batteries start cars, but factory alternators charge them in the first place. They also run car electrical systems. That means they help power everything from dashboard displays, headlights, and power windows to windshield wipers, radios, and power steering, even heated seats. New or remanufactured, how alternators work is the same. They turn mechanical energy into electricity. The process starts with an engine. Engines power drive belts that run pulleys, and these pulleys rotate rotor shafts. These shafts turn sets of magnets on coils, and this generates AC power. The power goes to a rectifier, and rectifiers convert AC to DC power. This is what turns on the many systems throughout a vehicle that run on electricity. Eventually, even an original alternator can go bad because of broken-down parts, a bad jump-start, or an incompatible accessory install, if not from age. It usually won't give you any warning, either. There are a few signs of alternator failure you can look for, though. Some, like flickering headlighting or a car radio that doesn't work reliably, are more obvious. Others, such as burning smells under the hood, a dead battery, or a whiny engine, are less so; they don't always indicate a bad alternator. Electrical system shutdown is often a symptom of it, though. If you have these problems, diagnose them by doing an inspection and running a charging system test. To figure out when to replace your alternator, consult your owner's manual. You usually do it every 80,000 to 150,000 miles, or about every 7 years. For your Honda, a genuine alternator made by your manufacturer will fit best. Our auto parts store stocks plenty, and they're ready to ship immediately. Order yours online today.
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