The alternator is a crucial component of your vehicle’s electrical system, responsible for keeping the battery charged and powering essential electronics. When the alternator begins to fail, it can lead to serious issues that may leave you stranded if not addressed promptly. At A-1 Automotive, we provide expert alternator replacement and auto electric repair in the greater Portland, OR area. Here are five common signs that your alternator may be failing. Warning Light on the Dashboard Most modern vehicles have a dashboard warning light that looks like a battery or has the letters ALT or GEN displayed. When this light turns on, it often signals a problem with the charging system, which includes the alternator. While this warning could also indicate a battery issue, it is often a sign that the alternator is not generating enough power to keep the battery charged. Dimming/Flickering Lights One of the most common signs of an alternator problem is dim or flickering lights. The alternator supplies power to your vehicle’s headlights, dashboard lights, and interior lighting. If you notice that your headlights are dimming when you accelerate or flickering while driving, it could indicate that the alternator is struggling to provide a consistent power supply. Difficulty Starting the Vehicle A weak or failing alternator can struggle to keep the battery charged, leading to difficulty starting the engine. If jump-starting the car temporarily resolves the issue but the battery keeps draining, the alternator could be to blame. Electrical Accessory Issues The alternator supplies power to the electrical components in the vehicle, including the radio, power windows, air conditioning, and dashboard instruments. If you experience electrical malfunctions with electrical accessories, your alternator may not be delivering sufficient power. Strange Noises from the Engine Bay A failing alternator may produce unusual noises, such as grinding, whining, or squealing sounds. These noises can be caused by a worn-out alternator bearing or a belt problem. If you hear unusual noises from under the hood, it’s essential to have your alternator inspected before it completely fails. Alternator Replacement & Auto Electric Repair in Portland, OR When you need auto repair in Portland, OR or Vancouver, WA, visit A-1 Automotive. At our nearby auto shop, we can expertly handle your car’s repair and maintenance needs. Feel free to give us a call to schedule an appointment!