(iSeeCars) — Your alternator is one of the hardest working parts on your vehicle. It’s a common misconception that the battery in your vehicle is what supplies your power while the vehicle is running.

Your alternator is the unsung hero keeping your car’s electrical systems alive and your battery charged. But when it struggles or fails, the results can be sudden and stressful. Knowing how it works, ...

We earn commissions from purchases you make using links in our articles. Learn more. The alternator is a device that keeps your car’s electrical system running once the engine is on. It’s essentially ...