'94 driver electric window stuck down - others work - stumped

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Well hello there. From a search I can see that power window problems abound with our trucks... neat-O. Mine, a '94 V6 4WD 5-speed, has never had window issues of any kind until today.
Our 4Runner needs an engine overhaul and has been sitting for about a year, waiting for me to have enough time and enough money at the same time(have young kids, you know how that goes). Today I was running a compression check and leakdown test prior to teardown, and I ran the driver window down out of old shop habit but couldn't get it to close when I went in for dinner.

There is no noise when I operate the switch. I didn't think to watch the voltmeter; will check after getting my son to bed tonight. Other windows work fine from the master switch, door locks work, only the driver front doesn't. I did not hear any unusual noise or see any unusual movement when I lowered the window earlier.

I pulled the switch and nothing appears burnt, corroded or otherwise damaged.

Is this some crappy coincidence? Ugh.
What should I look for? I'll go back outside later tonight and see whether the window goes up with direct power, but I obviously want to fix the problem.

Thanks for any suggestions or personal experiences, and thanks for your prior posts. As I said this is my first post, but I've gained much from reading others' threads here.

- Ben
 
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So I went back out and did confirm no voltage drop on the dash voltmeter while operating the driver window switch. I then removed the door panel, pulled back the plastic sheet, disconnected the motor harness, and applied 12V directly from a small battery.
Window went up.
I reconnected the harness and switch, shut the door, and now everything works again. Window runs up and down the full length, no issues. :twitch:
Door's back together now and all is well.

Whee.
 

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