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Old 03-24-2020, 01:48 PM
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Power Window

I have a set of power windows for my Model A Ford. They are aftermarket no name I purchased at the Turkey Rod Run in Daytona a while back. They go down fine but sometimes they have to be helped up. Can it be an electrical issue where the motor is not getting 12 volts or maybe an inferior motor?? I have it wired through my Kwik Wire fuse panel. What are my options. Does anyone have an experience with the power window kit sold by Specialty Power Windows as they have a kit for my application, however I don't want to spend the $300.00 if I don't have to.

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Old 03-24-2020, 04:15 PM
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Your problem could be several things;
1. Weak motors (have they ever worked properly)
2. Age - sometimes the grease inside the motor will dry up and impede the operation, just take apart, clean out the dry grease and re-lubricate
3. Vertical window channel not straight from top to bottom or mechanism installed out of parallel with the window channels, causing binding as they come up.
4. If your wires and running through a flexible conduit into the door, they can fatigue over time and strands start to break reducing current to the motor.
5. Wire size too small
6. Probably a few other things are possible as well. Try lubricating your channels with some dry graphite powder, can't hurt.

I've used the Specialty Power Window units in my '33 and the '37 and am quite happy with them.
Good luck with it.
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Old 03-24-2020, 10:05 PM
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Another item the regulator needs to be centered to the glass, So as the force /torque is centered, driving the glass up.

I would think a model A power window would be a breeze to get working.

Might unhook the lower glass rail , and push the rail and glass up from the bottom. Checking for binding, in the window channel and felts .

Glass could be to big, wide. When I put power in my 34. Using the glass, cut 1/4 plywood and replace it. Then shaved the wood buck, until I got it running smooth. The took the wood to a glass shop.

Side note both sides might not be the same size. Personally the Model A has some straight square windows, so unless the regulator are really low ball. Should get things working fine. What you describe to me sounds like alignment.

Have the windows ever worked, meaning go up as fast as down? Or always slow up, < another reason for alignment problems to be looked for.

Have read will help understand some things
https://static.summitracing.com/glob...eli-el1000.pdf


Just saying i have this kit in my car, works very well, 34 ford coupe power window install is an adventure, to be sure.
https://www.summitracing.com/parts/eli-el2000

You do not need to buy the wire and switches, just replace the regulators if need be. Window guys hoze the folks there, all of em.
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Old 03-25-2020, 07:39 AM
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power windows

Actually when I drive the car for a while, the drivers side seems to work very well, the passenger side still has issues. I have a fresh Optima battery in the vehicle so that is not the problem. I thank you all for the insight, I will work on it.
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Old 03-25-2020, 01:44 PM
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Take the battery out of the car and sit it next to the door you're working on. Make up a connector to your window switch and see if it operates correctly. If not then see what you have to do to make it happen. IF it does then you have a wiring issue elsewhere and will need to trace it out.
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Old 03-25-2020, 02:26 PM
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Any remote tool lithium battery will work. You dont even need a switch. You can power the (2 wire) motor to go up one way by powering it one way and then reverse it by powering it the other.
Once you eliminate the motor from your list work backwards till you find the issue.
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Old 03-25-2020, 09:50 PM
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Want to direct connect to bat, make a set of jumpers out of 10g wire, and alligator clips. Leave the battery in the car.
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Old 03-31-2020, 09:29 AM
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power windows

I stopped by a power window repair shop and tis appears to be the cheap china motors. I bit the bullet and ordered a set from specialty power windows. They use gm motors and at least i will have the backing of a reputable company. Again, thanks for all the replies/suggestions.
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Old 03-31-2020, 03:22 PM
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You will be happy you did that slow windows are a PIA. You doing the install ?
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Old 04-02-2020, 01:25 PM
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Power Windows

Received my power window kit from Specialty Power Windows. Very happy with the set up and operation. It actually took more time removing my no name aftermarket setup than it did installing the Specialty kit. Thank for all the suggestions and info.
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Old 04-03-2020, 07:13 AM
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I’m thinking installing power windows in my T. Any pointers or tips to share? I would prefer the switches to attach to the window cranks instead. I know they are more expensive.
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Old 04-03-2020, 10:57 AM
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Google ROCKY HINGE window switches..the switches make a "springy noise" when activated but it doesn't bother me.

https://49fordcoupe.smugmug.com/The-Doors/i-Gkbh3P6/A
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Old 04-03-2020, 07:39 PM
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Talking

I made my own home brew version of those crank switches using the following switch.

DPDT Reversing Mom On/Off/Mom On - Cole Hersee

I drilled the crank handle and tapped it so that it will screw on to the switch. I then drilled thru both the handle and switch and installed a roll pin.

I did this on my car 24 years ago, and then again on a buddies car about 20 years ago. Both have worked fine for all those years.

The only issue is educating people that they are not actual window cranks. I was away from my car and left the windows down when it began to sprinkle. A friend who did not know about the windows tried to be nice and roll my windows up. I had to take my door panel off and repair the wiring, as he wound it around the switch and broke a wire.
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Old 04-04-2020, 10:21 AM
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Thanks for the great tip. A lot cheaper than others options plus higher ampere rating which would eliminate the need for a relay.
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Old 04-04-2020, 11:12 AM
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A minor issue to watch out for is that the switch is deeper and may have to be installed out of the way of the glass if you have a thin door. On my car I changed to 1 piece glass, so had to put it just below the glass at it's lowest point when rolled down. My buddy kept the vent windows so we put it just forward of the glass.
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