The alternator is actually a mechanical device which is comprised of the following components: pulley, brushes, and wheels and wires that is hooked to the crankshaft and eventually charges the battery. By some means, the engine is powered by the gasoline to turn the crankshaft. This connects to the alternator resulting to the conversion of that mechanical energy into an electrical energy. Such electrical energy is used to operate a range of devices such as headlights, radio, air conditioning, cooling fan, defogger and windshield wipers.
Sometimes it’s hard to determine alternator problems, but one way to know if it is damaged is when you notice a harsh noise coming from under the hood. Proper maintenance of your car’s alternator is a great way to keep your car’s electrical system stay away from problems. Good quality alternator also ensures longer engine life. Using a replacement alternator is alright but if you want to ensure reliability, use OEM products. OEM alternators are available in online auto parts stores.