Posted on 8/29/2025
Your vehicle’s alternator plays a crucial role in keeping everything powered and running smoothly. It charges the battery while the engine is running and supplies electricity to systems such as the headlights, radio, climate control, and onboard computers. When the alternator starts to fail, you might experience a variety of electrical issues, strange noises, or warning lights. The sooner you recognize the signs, the better chance you have of avoiding unexpected breakdowns. What the Alternator Does While the battery gets your engine started, it’s the alternator that keeps the power flowing afterward. Once the engine is running, the alternator takes over by converting mechanical energy into electrical energy through a belt-driven system. It keeps the battery charged and supplies energy to all of your car’s electronics. If the alternator fails, your vehicle may run for a short time using just battery power, but eventually the battery will drain, caus ... read more