What Does an Alternator Do?

September 29th, 2023 by

Many Denver drivers have found themselves thinking they need to replace their car’s battery only to find out it’s actually the alternator that’s causing the problem. What does an alternator do? An alternator is a crucial component of a car’s electrical system, responsible for powering all the electrical components in your vehicle while the engine is running. What if you need to replace it? How much does an alternator cost? The price of an alternator can vary depending on your car, but the national average is between $200 and $500, not counting the labor charges for installation. Our service department wants to keep you informed, so we’ve put together the helpful Alternator tech guide below.

What Does an Alternator Do, Exactly?

The alternator is one of those engine parts that just about every Colorado driver has heard of, but many may not be sure what its function is. What does an alternator do?

The alternator is responsible for supplying power to all the electrical components in the car while the engine is running. The battery, on the other hand, provides power to start the engine and to power electrical components when the engine is turned off. Once the engine is running, the alternator takes over and also charges the battery.

How Much is an Alternator to Replace?

how much to fix an Alternator?

Replacing an alternator can be a costly though necessary expense. How much is an alternator to replace? As we said, the part itself averages between $200 – $500 nationally, plus labor charges to install it. But keep reading if you need to replace your Colorado vehicles alternator.

How to Save on Alternator Service

Check out our service specials for discounts. You can also take advantage of our parts specials. We endeavor to do our best to get our customers back on the road as affordably as possible.

Signs It Might Be Time to Replace Your Alternator

If you’re in need of alternator service, it’s best to address the issue before it completely fails, so you don’t find yourself stranded on the side of the road. Schedule an appointment with us if you notice any of the following:

  • A battery warning light appearing on the dashboard
  • Dim headlights or interior lights
  • Burning rubber smell under the hood
  • Devices not charging
  • Whining or screeching sound after the vehicle has started
  • Unable to start.

Fisher Auto of Boulder is Here to Help

New Alternator price

It can be difficult to tell whether your alternator or battery is causing a specific issue. Our team of trained professionals can quickly troubleshoot alternator issues and get you back on the road in no time. And if you’re a do-it-yourselfer, our parts center can provide you with the exact genuine parts you need, including a Honda or Acura OEM alternator. We’re conveniently located outside North Denver in beautiful Boulder, Colorado, so drop by or contact us today!