Posted on: 10/1/2025
Many drivers assume their battery is doing all the work to power the car, but that’s only half the story. The battery gets your vehicle started, but once the engine is running, it’s the alternator that takes over. It produces electricity to recharge the battery and run everything from your headlights and dashboard to your heated seats and radio. When the alternator begins to fail, your car loses its main source of power. Even a fully charged battery can only keep things running for a short time before systems start shutting down. This is why spotting early signs of alternator trouble is so important. This way, you protect your entire electrical system and keep your car safe and reliable. 1. Dimming or Flickering Lights One of the first things drivers notice when the alternator isn’t working properly is a change in their lights. Your headlights might seem dimmer than usual, or they may flicker when you’re idling at a stoplight. Sometimes, as s ... read more