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Power Window Motor Question.

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Old Jan 18, 2017 | 11:56 AM
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Default Power Window Motor Question.

Will the window motor operate without being mounted in door? I have my pass door gutted working on the regulator. I plugged in the motor into its harness and she wont move when I hit the switch. I checked the wires and both are good. So either motor just quit on me or something else is going on.

Not a bad time for it to quit since its outta the car.
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Old Jan 18, 2017 | 12:14 PM
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Originally Posted by Bloodzone
Will the window motor operate without being mounted in door? I have my pass door gutted working on the regulator. I plugged in the motor into its harness and she wont move when I hit the switch. I checked the wires and both are good. So either motor just quit on me or something else is going on.

Not a bad time for it to quit since its outta the car.
Did we turn the key on?
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Old Jan 18, 2017 | 12:40 PM
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hehe, yea we did. I know it sounds crazy but It was working fine before I pulled it. I even gave it a hammer love tap like you would a starter thats going bad.
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Old Jan 18, 2017 | 12:42 PM
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It the motor housing grounded?

Jebby
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Old Jan 18, 2017 | 12:51 PM
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It is not. Its out of car unmounted. I'm assuming its grounded by the door frame and should work when placed back in car??
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Old Jan 18, 2017 | 12:57 PM
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Originally Posted by Bloodzone
It is not. Its out of car unmounted. I'm assuming its grounded by the door frame and should work when placed back in car??
Have any jumper cables?
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Old Jan 18, 2017 | 12:57 PM
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Originally Posted by Bloodzone
It is not. Its out of car unmounted. I'm assuming its grounded by the door frame and should work when placed back in car??
Yes....or ground negative bat terminal to housing...

Jebby
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Old Jan 18, 2017 | 01:01 PM
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Perfect, thanks...getting the cables out.
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Old Jan 19, 2017 | 11:34 AM
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motor must have good solid Ground to function. (Do not assume it is grounded thru door hinge.)
after that 12 volts on either terminal to moves up or down.
I add a gnd. wire for power windows when i build them.

Last edited by 69Vett; Jan 19, 2017 at 11:36 AM.
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Old Jan 19, 2017 | 02:32 PM
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Just to be clear: The two larger leads coming from the motor are NOT 'positive' and 'negative'; they are 'positive' leads for UP and DOWN. There should be a smaller grounding wire OR the case should be grounded for battery 'negative'.

I would not suggest that you put power to the motor without restraining it somewhat. It has quite a bit of torque and the motor will 'jump' when you put power to it, if not restrained.
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Old Jan 19, 2017 | 03:50 PM
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All done. Everthing is back together and works great. I was replacing a bad regulator gear.

Thanks for all the help. Corvette forum is best tool I got
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