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Old 06-11-2018, 02:18 AM   #1
thesupraguy97
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Default Passenger Window Fix

OK, first, I'm new here. If there's an intro section on the forum, please let me know.

Anyways, the reason for this. My brother bought the '87 Supra I have now about four years ago, and the passenger window didn't work. About a month ago I pulled the door off, and found that two pieces of PVC held it up, and there was a regulator unit in a box in the back of the car, which I promptly installed. About a week later, the window would only go down, but not up. I now pulled off the switch, cleaned and greased the contacts, and still nothing. Anything else that I can do?
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Old 06-13-2018, 10:14 AM   #2
yale
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First, welcome!

Second, will the window not respond to either switch (driver or passenger)? I ask because my driver-side switch will put down my passenger window but won't bring it back up. Not worth the $$ to replace it just for that.
Can you jump across the wires and bypass the switch to make the window go up/down? That would eliminate the motor/wiring/etc.
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Old 06-16-2018, 12:28 AM   #3
thesupraguy97
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Quote:
Originally Posted by yale View Post
First, welcome!

Second, will the window not respond to either switch (driver or passenger)? I ask because my driver-side switch will put down my passenger window but won't bring it back up. Not worth the $$ to replace it just for that.
Can you jump across the wires and bypass the switch to make the window go up/down? That would eliminate the motor/wiring/etc.
First, thank you.

Second, it will not work from either side. I tried to set it to go up from both sides, and then it came up but was a hair open. Now, it won't go up at all. I talked about this on another forum, and they suggested cleaning out the contacts on the switch. I did the bit that connects to the wiring, but am trying to get it apart. Any means you suggest of doing it without breaking it?

Something else: My brother got the car before me, but the regulator had sat in a box, in a car that got damp because the roof leaked, and had the sun beating down on it the rest of the time. Could any of that be a problem?
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Old 09-24-2018, 06:49 AM   #4
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Try to disassemble the switch and clean the contacts.
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Old 10-19-2018, 07:54 PM   #5
Bru
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If I remember correctly you have to pry out slightly on the black rocker until it slips over that rocking point on either side. just don't pull it too far it might break. After you get it apart clean up the contacts with fine sandpaper, brush it off and put it back together.
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Old 12-14-2018, 02:14 AM   #6
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I did that, and nothing has changed. I think it's something in the wiring. I'm going to try and get a diagnosis sometime soon.
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