Your vehicle’s alternator is responsible for keeping the battery charged and powering essential electrical components while the engine is running. When the alternator begins to fail, it can cause a range of problems. At Ken’s Muffler & Brakes, we provide expert alternator replacement and auto electric repair in the greater Dallas area. Here are five common signs that your alternator may be failing and in need of replacement. Battery Warning Light on the Dashboard Modern vehicles commonly have a battery warning light that illuminates when there’s an issue with the charging system. While this light is often mistaken for a simple battery problem, it can also indicate that the alternator is not generating enough power. If you see this warning, it’s best to have your charging system checked before your vehicle loses power completely. Dimming/Flickering Lights A frequent sign of alternator trouble is dim or flickering headlights, dashboard lights, or interior lights. Since the alternator supplies power to the vehicle’s electrical system, a weakening alternator may struggle to maintain consistent voltage. If multiple lights in your vehicle are acting erratically, it’s a strong indication that the alternator isn’t providing a steady electrical supply. Electrical Accessories Malfunctioning A failing alternator can lead to erratic behavior in your car’s electrical accessories. Power windows may operate slower than usual, the radio may cut in and out, or the air conditioning may not blow as strongly as before. If you experience multiple electrical issues at the same time, the alternator may be struggling to provide enough power to all systems. Dead Battery or Difficulty Starting If your car’s battery dies, it could be due to a failing alternator rather than the battery itself. When the alternator stops charging properly, the battery is forced to supply all of the power, which drains it quickly. Jump-starting the battery may temporarily resolve the issue, but if the alternator isn’t charging the battery, the problem will return. Testing both the battery and alternator can help determine the root cause. Strange Noises Coming from the Engine Unusual noises, such as grinding or whining, can indicate that the alternator’s internal components are wearing out. Ignoring these sounds can lead to complete alternator failure, leaving you stranded with a non-starting vehicle. Alternator Replacement & Auto Electric Repair in Dallas, TX For auto repair in Dallas and the surrounding area, contact Ken’s Muffler & Brakes at  214-308-2320  . Feel free to give us a call to schedule an appointment!