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The alternator in a vehicle is responsible for charging the battery, and it also provides power to the various electrical accessories. If your car’s alternator goes out, you could find yourself without an operable set of wheels. As such, you should recognize when something is wrong, so you can visit the auto parts store for a replacement before this happens. Below are a few of the most common problems to know.

How to Know When Your Alternator Is Failing

1. Electrical Failures 

A dying alternator cannot generate enough electricity to power all the electrical features of your vehicle. In turn, the radio, power windows, locks, seats, navigation system, and air conditioning will become weak, and stop working.

2. Slow Starting Engine 

auto partsWhen the alternator cannot give your battery sufficient charge, the engine will struggle to start as you turn the key in the ignition. Even if you finally get it going, the battery’s power will drain quickly, causing the engine to die. If your alternator is defective, it will also have trouble firing up the spark plugs, which means the vehicle is more likely to stall. 

3. Flickering Lights

The alternator also supplies the voltage necessary to keep your car’s interior and exterior lights on. Thus, if you see the dashboard, dome, and headlights dimming or flickering while driving at night, this is a definite indication that your alternator is bad. This can create unsafe visibility conditions, so you should switch out the auto part right away.

4. Strange Noises 

Whenever you hear unusual sounds coming from your car, you should inspect it immediately. With an alternator problem, you may notice grinding or squealing. This typically signals worn out bearings or a loose serpentine belt that’s not spinning the alternator pulley correctly. 

 

If you’re having trouble with your vehicle’s alternator, stop by Trester Used Auto Parts in Milford, OH, for a high-quality replacement. They carry a broad selection of reliable and affordable auto parts for both foreign and domestic models. Since opening in 1955, they’ve been helping drivers throughout the Cincinnati area find the right products to restore their car to optimal performance. Call (513) 831-9141 to ask about their current inventory, or visit them online to learn more about the services they offer.

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