There are a few ways to tell if your alternator is failing. 1. Dimming or Flickering Lights: One of the most noticeable signs of a failing alternator is a change in the brightness of your vehicle’s lights. If you notice that your headlights, interior lights, or dashboard lights are dimming or flickering while driving, it could be an indication of an alternator problem. 2. Warning Light on Dashboard: Many modern vehicles are equipped with a dashboard warning light that looks like a battery or says “ALT” or “GEN.” If this warning light illuminates while you’re driving, it’s a clear sign that your alternator may be malfunctioning. Don’t ignore this warning; have your vehicle inspected by a professional as soon as possible. 3. Strange Noises: A failing alternator may produce unusual noises, such as grinding, whining, or squealing sounds. These noises can result from worn-out bearings or a slipping drive belt. If you hear any abnormal sounds coming from the engine area, it’s essential to have it checked promptly. 4. Dead Battery: While a dead battery is not always caused by a failing alternator, it can be an indicator of one. The alternator is responsible for charging the battery while the engine is running. If your battery repeatedly goes dead, it could be due to a faulty alternator not properly charging it. If you have to jump-start your vehicle frequently or notice a sudden drop in battery power, it’s time to have the alternator examined. Remember that a failing alternator can lead to other electrical issues in your vehicle and may eventually leave you stranded. If you experience any of these signs, it’s crucial to have your alternator inspected and repaired by a qualified automotive technician to prevent further damage and ensure the reliability of your vehicle. If you notice any of these signs or suspect a problem with your alternator, stop by our Rapid City location, where we’ll run diagnostics to determine if the alternator requires repair or replacement.