Posted on 3/27/2023

When you're experiencing problems starting your vehicle or your battery is continually losing charge, you may wonder whether the issue is with your alternator or your battery. This article will detail how to tell if the alternator or battery is the problem and what steps to take to diagnose and fix the issue. Symptoms of a Failing Alternator The alternator is in charge of keeping the battery charged and supplying power to the electrical system of the vehicle. If the alternator is failing, you may experience the following symptoms: Dimming lights - When you turn on your headlights or use electrical accessories, the lights may dim or flicker. Warning lights - Your dashboard warning lights, such as the battery or check engine light, may come on. Electrical issues - Your power windows, power locks, and other electrical accessories may not work or may work intermittently. Strange noises - You may hear grinding or ... read more