How to Repair Electric Car Windows

If you have electric (power) windows in your car, there may come a time that you push the button and the window doesn’t respond the way it used to. If the window suddenly stops moving at all, the problem could be as simple as a blown fuse or a loose connection. It is also possible that you have a faulty switch, especially if the window works on a hit and miss basis. Window motors go down sometimes as well. This is usually characterized by a gradual decrease in how well the window responds to the switch, but a slow window could also be getting stuck on the gaskets. Once you identify the problem, you may be able to repair it with some basic tools.

Changing a Fuse

Locate and open the fuse box. It should be located inside the car as a part of, or near, the dash.

Check your owner’s manual to locate that operates the windows. It is not uncommon that the only thing wrong with electrical components in a vehicle is a blown fuse. If this is the case with your windows you will need to replace the window fuse.

Locate a replacement fuse. It must be the rated for the same amperage as the original fuse that operated the window mechanism. The amp rating should be printed on the fuse, and it should also be listed in your owner’s manual. Do not use a fuse with a higher amp rating, as this may lead damaging the electrical components of your vehicle.
Pull the fuse straight out of its cradle. Be careful not to twist or otherwise force it. You do not want to damage the cradle or break a piece of the fuse off in the cradle. There are fuse tongs available at part supply stores that can help with this.

Push the new fuse straight down into the cradle. The fuse must be “set”. This means that it does not move or wobble.

Turn your car key to the “on” position. This provides power to your windows and allows you to test them. You need not start your car.

Test your windows. Confirm that they go up and down without restriction.

If you want to choose a company that you can trust to provide quality  services. At  OZ Autoglass we are experts in car glass repair and can provide you with the services you need to get back on the road safely.

Repairing Window Gaskets

Evaluate the condition of your window seals and gaskets. 

Check the entire gasket channel for foreign objects.

Clean the gasket with acetone. This will help to remove any grease or dirt build up that might impede your window or prevent your gaskets from sealing properly.
Repair any small tears. You can do this using a rubber adhesive or glue. Be sure to trim any loose corners with a razor blade so that you get a good seal.

Replace the gasket. This may be necessary if the original gasket has large tears or several small tears. Replacing the gasket is a fairly easy job.

Lubricate the channel with silicone spray. 

Fixing Wiring Problems

Find an electrical schematic of your vehicle. This can be found either from information in your owner’s manual or on the Internet. Trace the wiring from the fuse panel to the switch. 
Use a multi-meter to confirm that the switch is getting 12V of power. 
Trace the wiring from the switch to the motor. 
Use the multi-meter to confirm that the motor is getting 12V of power. 
Look for any interrupted voltage caused by a loose connector or corrosion.
Fix the connector or corroded areas. 
Test the window again. 

We use high-quality materials for all of our car glass repair services to ensure that your repair lasts and provides the safety and security you need on the road.

Replacing a Faulty Switch

Locate the window switch panel. 
Remove the window switch panel.
Unplug the wiring connectors from the switch. 
Use your multi-meter to probe each connector. 
Check the wiring on any switch that has a low voltage reading.

Test another switch. Buy a new switch. 
Install the new window switch.

Replacing Your Window Motor or Regulator

Remove the door panel.
Use a multi-meter to make sure that the motor is getting the correct voltage.
Ensure that the window moves freely during this test. 
Unplug the motor. 
Remove the bolts that attach the regulator to the glass. 
Push the window all the way up. 
Unplug the wiring harness from the window motor.

 Unbolt the harness and/or motor from the door’s interior.

Pull the motor and harness out as one assembly. 

Re-install the motor/regulator assembly. 

Plug up the new motor. 
Lower your window back into its correct place on the wiring harness.
Bolt the window to the regulator.
Test your window. 

If you’re in need of mobile car window replacement in North Shore Sydney, OZ Autoglass is here to help. We offer fast and convenient mobile services, experienced technicians, quality materials, with our highly trained team and competitive pricing. By choosing us for your car window replacement needs, you can get back on the road safely and quickly. Contact us today to learn more and schedule your appointment and satisfied customer service.