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Power Windows – Repair & Fault Diagnosis

Power windows have become a standard feature in most modern vehicles, providing convenience and comfort to drivers and passengers alike. However, like any other electrical component in your vehicle, power windows can encounter problems and require repairs. Lets go over everything you need to know about power window repairs, including how they work, what causes them to stop working, how to diagnose a problem and common issues you may encounter.

How Do Power Windows Actually Work?

Before we dive into power window repairs, let’s take a closer look at how power windows work. At their core, power windows consist of several key components, including a motor, regulator, switches, and wiring. When you press the window switch, an electrical current is sent to the motor, which powers the regulator to move the window up or down. With all of these components and moving parts comes the risk of damage or failure, resulting in a window that just won’t cooperate.

What Causes Power Windows to Stop Working?

There are several reasons why a power window may stop working, including a faulty switch, motor failure, or electrical issue. One of the most common reasons is a problem with the window regulator, which is responsible for controlling the movement of the window. Other possible culprits include a blown fuse, wiring problems, or a faulty window switch. Determining what part is causing the drama requires extensive experience in troubleshooting power windows.

power window repair

How to Diagnose a Power Window Problem

If you suspect that one of your vehicle’s windows is not working correctly, the first step is to diagnose the problem. The following steps can help you identify the source of the issue:

Check the switch: Start by testing the window switch to make sure it is working correctly. If the switch is faulty, it may not be sending an electrical current to the motor.

  • Test the motor: If the switch is working correctly, the next step is to test the motor. You can do this by disconnecting the motor from the wiring harness and applying power directly to the motor. If the motor does not respond, it may be faulty and need to be replaced.
  • Inspect the regulator: The regulator is responsible for controlling the movement of the window. If the motor and switch are working correctly, but the window still won’t move, the problem may be with the regulator.
  • Check the wiring: Wiring problems can also cause power window issues. Check the wiring harness to make sure there are no loose connections or damaged wires.

Of course, you can always bring it into a professional auto electrician to have an expert carry out the diagnosis. We always check each component when establishing where the fault lies which gives you peace of mind knowing all bases are covered.

How to Tell if a Window Fuse is Blown

If none of the above steps helps you diagnose the issue, it’s possible that the problem is caused by a blown window fuse. A blown fuse will prevent the window from moving altogether, making it a great place to start if your window won’t budge. You can check if the fuse is blown by visually inspecting it or by using a multimeter to test it for continuity. If the fuse is blown, you will need to replace it with a new one of the same amperage.

Common Problems with Power Windows

Power windows can encounter several issues, some of which are more common than others. Here are some of the most frequent problems with power windows that you need to be on the lookout for:

  • Slow window movement: Over time, power windows may become slower and take longer to move up or down. This could be due to a faulty motor, regulator, or switch.
  • Window stuck in one position: If a window is stuck in one position and won’t move at all, the problem may be with the regulator or motor.
  • Grinding noise: A grinding or clicking noise when operating the power window could be due to a worn-out motor or regulator.

Just like we mentioned earlier, the regulator keeps coming up as the culprit for our power window woes.

Are Your Power Windows Winding You Up? Bring It To Bashi’s!

Most people are surprised to find out that faulty power windows are a common issue that many vehicle owners may encounter. If you encounter any issues with your vehicle’s windows that you’re not comfortable fixing yourself, it’s always best to take your vehicle to a trusted auto electrician for professional repairs. At Bashi’s Auto Electrical, we have years of experience repairing power windows for all makes and models of vehicles.

Our skilled technicians use the latest diagnostic tools and techniques to identify and fix any issues with your power windows quickly and efficiently. We understand the importance of having properly functioning power windows and will work tirelessly to get your windows back up and running smoothly. To get an obligation free quote on the troubleshooting and repair of your power windows, get in touch with us by calling 07 5495 7333 or click here to contact us online.