How To Repair / Power Windows-1 / Power Windows-2 / Power Windows-3 / Power Windows-4

Electric Power Windows (continued)

Step 7 of 11. Testing the window motor electrical circuit

Reconnect the window control switch panel. With the electrical connector disconnected, insert automotive test light (test light is grounded to body) into either side of the connector. Turn key to the on position (do not start the vehicle). Actuate the switch in both directions. The test light should light up in one direction. Repeat this operation for the remaining electrical terminal. Next, switch the test light lead to battery positive and repeat test. The test light should light in both directions but on opposite sides of the connector.

Step 8 of 11. Taping and holding window in place

You must tape the window from moving. We use masking tape. This is used to keep the window in place while the window motor and regulator is removed. If tape or some other means of holding the window is not used, the window could slide down and cause damage or injury.

Step 9 of 11. Removing window motor and window regulator

Remove all window mounting and regulator mounting bolts.

After the window regulator has been removed, thoroughly inspect and match the old window regulator to the new window regulator. Make sure all mounting bolts and the window motor is in the exact same location. Reinstall new window regulator and reassemble door. There are minor adjustments for the window rails to reposition the window. Check the window operation. Look for hard spots and clicking noises when the window is traveling up or down. Minor adjusts may be required.

How To Repair/ Power Windows-1/ Power Windows-2/ Power Windows-3/ Power Windows-4

Car Door Electrical Parts

Purchase Power Door Locks - The electric door lock is operated by the control switches in the drivers side or passenger side compartment.

Purchase Power Window Motor - Power window motors can move the window up and down. Electric window motors are a normal service item.

Common Problems

1. Window motor shorts out and stops working or works very slowly.

2. Window control switch short circuits due to excessive amperage draw.

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