Driver side window won't operate but window motor is fine

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Bidd95vert

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Nov 25, 2011

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Nov 25, 2011

#1

• Nov 25, 2011

• #1

I have a 5.0GT Vert and today I changed my drivers side window regulator bushings and now the window will not go up or down. All other windows work just fine. So i took the drivers side window motor back out and connected to the passenger side switches and the motor worked fine. Seems like the motor is not getting power on the drivers side. I am assuming that the fuses are just fine considering that the other three windows work just fine. Also checked the window without the motor installed and the window moves smoothly up and down by hand, so doesn't seem to be a window mechanism problem.
I have a voltmeter but a little stump'd on how to proceed. Anyone have any idea's ?

 

ID89GT

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May 26, 2008

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Nov 25, 2011

#2

• Nov 25, 2011

• #2

Make sure you are gettin power all the way to the connector for the window motor

 

Blown88GT

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Nov 25, 2011

#3

• Nov 25, 2011

• #3

Probably the switch, the contacts get corroded & erroded over time. Since the driver's side get used a lot more, they are the first to go bad. I've repaired them with Corrosion Block, but most replace them.

 

jrichker

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#4

• Nov 25, 2011

• #4

Remove the switch and spray the insides with with electrical contact cleaner. That may fix it.

Unfortunately I haven't seen a wiring diagram for the power door locks. If I had one, I would post it for you.

 

V

vertvert

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Nov 25, 2011

#5

• Nov 25, 2011

• #5

FYI: My driver's side is f**k'd also.

 

Blown88GT

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#6

• Nov 26, 2011

• #6

 

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jrichker

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#7

• Nov 26, 2011

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Thanks to the diagram, you can see how the switches are working. Check for 12 volts across the inoperative motor when you actuate the switches. The switches reverse polarity across the motor so that one way it locks and the other way it unlocks. For this reason, test the motor in both lock and unlock modes.

If you are feeling energetic, swap the lock switches around and see if the problem follows the switch.

 

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rcode99

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Oct 25, 2011

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#8

• Nov 26, 2011

• #8

Blown88GT said:

Probably the switch, the contacts get corroded & erroded over time. Since the driver's side get used a lot more, they are the first to go bad. I've repaired them with Corrosion Block, but most replace them.

Click to expand...

Ditto on Ford switches. I replaced one whole master switch a year ago on my F-150. When the same window wouldn't work this year, I just popped the the switch, hit it a few times with a pencil eraser and I was back in business.

 

Blown88GT

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Nov 27, 2011

#9

• Nov 27, 2011

• #9

Inductive load (motor) across switch contacts degrades it faster. When switch is released, a spark is produced across the contacts. Ford should have used a relay rated for a motor load.