Paging 1Ags or other F150 Help

1,147 Views | 7 Replies | Last: 3 yr ago by 1agswitchin4lanes
RC_57
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'09 F150 XLT.

Rolled driver's window about 2/3rds down. Would not come back up.

Can't recall if it would go down any further.

Stopped on my errand run, started heading back home, when I tried again, it worked.

How do I test, or is there a way, to diagnose where the problem is: switch or window motor?

Thanks
barney94
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I don't know how to test it, but I can promise you that if I have to tear the door apart - I am replacing both.
Picard
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The switches wear out and you can replace them without removing the door panel. I'd start with that as you likely need a new switch anyway.

And don't overpay for the genuine Ford part.
Picard
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It's also possible the window motor power wire is breaking between the door and the body. When you opened and closed the door it may have temporarily made contact again.
crapinzpants
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I 2nd the wires. I had a rear door lock that would intermittently work and was blaming the lock module, turns out wire was broken near the door hinge. Soldered it up and no problems since
AgTDub
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Had this exact thing happen once on an '07 f150. The contact under the switch was corroded from humidity/moisture? I pulled the trim piece containing the switches and cleaned the underside of them. Didn't have any problems after that.

https://www.f150online.com/forums/articles-how-s/414955-how-fix-defective-window-switch.html

RC_57
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Appreciate all the replies

Barney, I agree. If it were to get to the point where I had to take the door apart, I would replace both. But I'm hoping I just have to pop the switch panel out, like shown in the link AgTDub shared.

Thanks again all.
1agswitchin4lanes
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Any updates?
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