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If something is wrong with your car, there are usually recognizable signs to let you know. If you notice your warning lights are suddenly blinking fast, that’s an indication that you need to get your car checked out.


Here are some of the main reasons why your turn signals may start flickering:

  • The bulb is out
  • Poor wire connection
  • Blown fuse
  • Clouded glass

The turn signal is powered by a fuse connected to the car battery. When you use your turn signal, a second circuit becomes engaged. This circuit powers the bulbs, consequently lighting them up and indicating your intended direction to the cars behind you.

When a bulb deteriorates in quality, it can no longer efficiently handle the electrical current that is sent to it. You can check to see if the issue is a bad bulb by testing out all the signal lights. Because they keep both you and other drivers safe, it’s important that the turn signals work properly.


When the lights in the interior of your car suddenly become dim, it’s typically the result of an electrical problem. These problems can arise from parts of your car such as:

  • The battery
  • The alternator
  • The voltage regulator

To discover which area of the car is causing the issue, you should have the battery voltage checked out. Issues such as a weak alternator, which sends electricity to every electrical part of the car, can negatively impact the overall health of your car.


Flickering dashboard lights are a sign that there is a problem with your alternator. Since this employs electricity throughout the car, it is essential that its well-being is maintained. Here are things to look out for:

  • Blinking dashboard lights
  • Dim headlights
  • Loose belt
  • Odd sounds

Blinking lights isn’t just a minor inconvenience; it is an indication of a more serious problem. If you ignore the lights, it could lead to your engine stalling or your car not starting.

If you need warning light diagnostics, we invite you to bring your vehicle into our auto repair shop today!