driver and passenger windows

1999 FORD F-250
280,000 MILES
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CINDYJOHN1
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Electric windows on a ford f250 will go down but wont go back up so unplugged switches hate it i want my windows to work again its a hassle help me please. Have taken it to he glass place and they stated the motor and regulator is fine
Aug 27, 2012 at 6:04 PM
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KHLOW2008
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Since it is able to work one way, the most likely fault would be the switches. Which door is not functioning correctly?
Aug 27, 2012 at 6:06 PM
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CINDYJOHN1
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I already replaced them as well
Aug 27, 2012 at 9:59 PM
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KHLOW2008
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If you have replaced both switches, the next thing you need to check would be the GEM.
Aug 27, 2012 at 11:23 PM
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CINDYJOHN1
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whats the GEM? How and what do i look for there\?
Aug 27, 2012 at 11:25 PM
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KHLOW2008
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The schematics are attached. Do you have a test light or DVOM to perform testings?

Generic Electronic Module located in the central junction box.
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Aug 28, 2012 at 6:14 AM