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2 Speed- 12 volt Blower motor

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Old 11-20-2017, 07:53 PM
Flat Ernie Flat Ernie is offline
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I've actually had good luck with small pancake cooling fans off of ATV or something - SPAL makes a 4" and a 5" that move a fair bit of air. They're also thinner, so you can often move the heater box closer to the firewall (depending on your model of heater) and while I never needed a two-speed, I'm sure you could run a 2-speed switch (the kind that has a resistor)...
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Old 11-22-2017, 08:53 AM
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Hey Greg, I did the same years ago. The 6 v motor really blew air. Lasted almost thru the first winter before it burned the windings.
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  #18  
Old 11-22-2017, 08:52 PM
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I use 6v heater fans all the time with a resistor network to lower the current. So far no failures. This is a basic schematic for a GM resistor pack, I just eliminate the direct high speed line by cutting the connection that does not go through the resistors. so with this setup I would end up using the middle two positions and either end would be OFF. I have a whole write up with diagrams and pictures in the truck #2 build thread, check out post #255, link is in my signature.

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Old 02-10-2018, 09:14 PM
dadgonebroke dadgonebroke is offline
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'56 F100 12 volt heater motor-3 wire

Sorry to rehash this but has anyone figured out a parts store replacement heater motor replacement for these trucks. Again, the VDO PM351 fits but it's a 2 wire- one speed and stop -motor. It needs to be a 3 wire- hi speed-low speed- off. I hear some mention of Ford Falcon fitting but maybe we can get some feedback on this?
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Old 02-10-2018, 09:45 PM
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Quote:
Originally Posted by arctic y block View Post
Cant you just use a two speed switch?
Or reducer?
Did you try a 2 speed switch?
I have this one on order from an ebay vendor because I am replacing the 6v with the recommended VDO motor. My '53 came with the fresh air heater with a 2 speed switch. My switch is bad.

https://www.ebay.com/itm/COLE-HERSEE...53.m2749.l2649

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  #21  
Old 02-11-2018, 11:02 AM
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I picked up a 2 speed blower motor from my local auto parts store...I believe it was made by Everco...I can check tonight if needed.
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Old 02-11-2018, 01:12 PM
dadgonebroke dadgonebroke is offline
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heater motor

This seems to be a pretty commonly asked question with no concrete answer- so any help is good!
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  #23  
Old 02-11-2018, 04:17 PM
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Originally Posted by dadgonebroke View Post
I heard a comment today that the blower motor for '71-'77 Ford Mavericks also work. Anyone have experience with this?

This application does work. I have one that was sourced from O'Reillys Auto parts in 09' in my 55. No issues. At the time it was less than $30. I hope this helps
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Old 02-11-2018, 04:50 PM
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Originally Posted by tacson View Post
This application does work. I have one that was sourced from O'Reillys Auto parts in 09' in my 55. No issues. At the time it was less than $30. I hope this helps
Was yours a two wire motor or 3 wire. Rock Auto shows a vdo pm351- which is a two wire (single speed) motor.
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  #25  
Old 02-11-2018, 08:06 PM
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Originally Posted by dadgonebroke View Post
Was yours a two wire motor or 3 wire. Rock Auto shows a vdo pm351- which is a two wire (single speed) motor.
It is two wire
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  #26  
Old 02-11-2018, 08:28 PM
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It is two wire
Then it's a single speed isn't it?
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  #27  
Old 02-12-2018, 10:41 AM
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2 wire will be a single speed. Need 3 wires for 2 speed. I checked what I have installed, but the way it is mounted I can't see the tag to get a part number off it.


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  #28  
Old 02-12-2018, 12:15 PM
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Originally Posted by Indybeer View Post
2 wire will be a single speed. Need 3 wires for 2 speed. I checked what I have installed, but the way it is mounted I can't see the tag to get a part number off it.


We're getting close!
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  #29  
Old 02-12-2018, 08:57 PM
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Quote:
Originally Posted by merten View Post
Did you try a 2 speed switch?
I have this one on order from an ebay vendor because I am replacing the 6v with the recommended VDO motor. My '53 came with the fresh air heater with a 2 speed switch. My switch is bad.

https://www.ebay.com/itm/COLE-HERSEE...53.m2749.l2649

Update. Switch arrived today. The VDO 2 wire motor combined with Cole-Hersee switch gives you a 2 speed heater blower. The switch fits in the original location and accepts the original ****. The ceramic cylinder that encases the resistor coil does get hot on low speed. Probably why later model Fords including Mustangs, with the 2 wire motors, had the resistor coils moved into the blower housing were the fan could move air across them?
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Old 02-13-2018, 09:10 AM
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Blower motor

I do appreciate the two speed switch option but a lot of guys are wondering about getting a correct type two speed heater motor. Someone has to have some good info on this!
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