What Is Making The Lights On Your Car or Truck Flicker?

what is making the lights on your car or truck flicker

Baron BMW can help you identify the what is making the lights on your car or truck flicker.

If you notice your lights flickering while driving, it’s probably going to be from a dying battery. If the battery is normal, there are other trouble spots that could be causing the issue. No matter the cause, you should get the problem fixed ASAP. When your lights aren’t working correctly, you might become a hazard to yourself and other drivers.
The 3 areas dimming car lights can happen are:

  • Lights on the Dash
  • Interior overhead lights
  • Headlights

Since the battery is the easiest item to diagnose, this is where a technician will look first. If the battery is bad, bring it here so we can diagnose the issue and get the right OEM parts for your car. While there are cases caused by a bad battery, there are other factors to consider.


READ MORE: BMW Warning Symbol Guide



Bad bulbs or fuses

Bad bulbs or fuses

If the car battery isn’t the reason for your flickering car lights, you might be dealing with a bad light bulb or a bad fuse. Failing light bulbs are an easy and quick fix and present an opportunity to upgrade to new energy-efficient LED bulbs.
If your vehicle has a bad fuse, you could be looking at a bigger problem than you had originally anticipated. A fuse dies when there is excess electrical current flowing through it. As an example, if your anti-lock brakes are installed with a 10amp fuse, and the fuse receives more than 10amps of electrical current, the fuse will fail. In this example, this would also cause your anti-lock brakes to fail. If there is a fuse that regularly fails, bring it in and we’ll accurately diagnose the larger, potentially more dangerous problem.

Alternator

Alternator

Flickering dashboard lights can also be one of the signs the alternator is failing. Think of it this way, you start your car with power from the battery, but the alternator supplies the power that keeps your car running. If you have an old vehicle with halogen lights, you may notice them gradually get dimmer with a dying alternator. On newer cars equipped with LED or HID lights, they may flicker or just stop functioning altogether.

Headlight switch going bad

Headlight switch going bad

A bad light switch, either the interior dimmer or the headlight switch, should also be checked out when you have flickering lights on the car. In some situations, replacing a worn switch could solve the issue, especially in vehicles with excessive mileage or older vehicles. If your vehicle is newer, it could be symptoms of a more significant issue with the electrical system.
Understanding these issues can be overwhelming, so if you notice any problems with the lights flickering on your vehicle, bring it in immediately. Our knowledgeable technicians will do a thorough investigation and give you options for fixing the flickering lights.



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Baron BMW is an ideal place to get vehicle service in the Kansas City area. We happily service all vehicle makes and models. One of our factory-trained technicians will inspect your car or truck to determine if there are any needed repairs and will suggest the best resolution for you and your vehicle. Schedule your luxury car or SUV service online or in person today.


 

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9010 Shawnee Mission Pkwy, Merriam, KS, 66202
BMW of Shawnee Mission 39.0161206, -94.6916291.