Author Topic: Modern window motors  (Read 464 times)

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Offline Clifton

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Modern window motors
« on: Sunday,June 04, 2023, 07:35:33 AM »
I just finished replacing the old motors with new ones. These are the same 12 toothed gear, 2 lbs lighter each, use less current and move a little faster. I didn't measure amps with a clamp on meter but my dash would would get close to 30a. These, maybe 5a. My old ones would not operate unless the battery was fully charged just after driving but I have a very small battery. I disassembled and greases these 5 years ago too.

On the new ones, two holes don't line up. Actually all 3 but you could use the one hole that is close and drill another in the bracket. I chose to make an adapter to use all 3 holes. The motor needs to be spaced off .375" to keep the gear from contacting bracket.

They come with plug ends. You will have to modify your switch to reverse the polarity to the motor for direction. Negative and positive go into the switch and reverse polarity depending on up or down. I'm using lighted Carling switches and jumped two terminals with push on spade adapters. I have a box of old Lotus parts  that came with the car and some are wired correctly with soldered jumpers to work with these. Maybe they all are?

Motor Part numbers
 VA15136901p
 VA15137001p

I used aluminum bolts, nuts, spacers, washers for all but one bolt on the adapter that had to have the head ground down and tacked the the adapter.

With the arm, motor bracket lightening and motors it was just over 4.5 lbs total.

Offline Chuck Nukem

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Re: Modern window motors
« Reply #1 on: Sunday,June 04, 2023, 07:39:08 AM »
Nice!

Offline BDA

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Re: Modern window motors
« Reply #2 on: Sunday,June 04, 2023, 08:08:10 AM »
Very cool Clifton!  :beerchug:

Where did you get the motors or what did they come out of?

Offline dakazman

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Re: Modern window motors
« Reply #3 on: Sunday,June 04, 2023, 01:47:22 PM »
  Thanks Clifton,  I believe I saved these out of my chevy astro...LOL I was hesitant on going the distance you did , congrats on showing us how to get there from here.
 
  I put the part number in on ebay and found it has effectivity on 12 pages of vehicles.
   
  This should go into the Tech section, :trophy:  I have one question about the travel up . My glass stops 1/4' short what is stopping it?  The sprocket?
Thanks in advance.
 Dakazman
 

Offline Clifton

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Re: Modern window motors
« Reply #4 on: Sunday,June 04, 2023, 02:06:46 PM »
  Thanks Clifton,  I believe I saved these out of my chevy astro...LOL I was hesitant on going the distance you did , congrats on showing us how to get there from here.
 
  I put the part number in on ebay and found it has effectivity on 12 pages of vehicles.
   
  This should go into the Tech section, :trophy:  I have one question about the travel up . My glass stops 1/4' short what is stopping it?  The sprocket?
Thanks in advance.
 Dakazman

On my first pic you can see the factory welded stops on the gear. If it's hitting the stop on the up side, it won't go any further. I would check that.

Offline Clifton

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Re: Modern window motors
« Reply #5 on: Sunday,June 04, 2023, 02:09:41 PM »
Very cool Clifton!  :beerchug:

Where did you get the motors or what did they come out of?

I got them on Ebay, $27 each. They came on everything GM from mid 90's to early 2000's

Aluminum hardware https://www.boltdepot.com/

Spacers .258" ID x .500" OD x .375" L https://www.widgetco.com/pages/aluminum-spacers
« Last Edit: Sunday,June 04, 2023, 02:11:34 PM by Clifton »

Offline dakazman

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Re: Modern window motors
« Reply #6 on: Sunday,June 04, 2023, 07:04:09 PM »
Thanks again Clifton,
 I was hoping there might have been some small adjustment I had missed. I hate going back in but we must do whatever it takes sometimes.
Dakazman