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  #1  
Old 02-01-2012, 06:17 PM
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Default Heater motor

I have renovated my heater motor, a while ago, and thought it was time to put the stuff back. In doing so, I looked up The 1958 Air condition shop manual ( http://www.squarebirds.org/picture_g...ShopManual.pdf ) and found something on page 6, that made me baffled. There is a drawing clearly showing 3 wires coming out from the motor. + - and earth. Now, I donīt know if I have made a mistake when I put my motor back or if the drawing is incorrect, but I only have 2 wires coming out of my motor. + and -.
Can anyone out they have a check on your blower motor and see if you have 2 or 3 wires coming out of your motor?

All the best,
//Anders
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Old 02-01-2012, 06:35 PM
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On my '60 there are 3. Orange (Fast), Red (Slow), and Black (Ground). The 3 wires are necessary for the 2 speed fan (and my car did not come with A/C). If you have only 2 wires maybe the motor was replaced before you bought the car? Did you have both fan speeds before?

Eric

Last edited by DKheld : 02-01-2012 at 06:37 PM. Reason: added info
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Old 02-01-2012, 06:45 PM
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Thatīs a good question.... Didnīt realy play with it much, as the AC didnīt work.


I am VERY sure that the Red & Black wires is back ( but new ) on the right place in the motor. But I canīt even remember see any Orange when I took it apart

Does this mean I need to get another motor, or can I connect a wire somewhere for the Orange? And if so, where?
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Old 02-01-2012, 06:51 PM
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This little detail is fresh in my mind, because I was getting my heat/defrost stuff all working just a few months ago.

Two-wire motor means you only have one fan "speed".

I hooked mine up to the "High" side on the fan switch; orange wire.

I doubt it matters wether you use the orange or red wire. The motor has one speed.

The three-wire motors seem to be as rare as chickens' teeth these days.
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Old 02-01-2012, 07:01 PM
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You should have 2 wires coming out of the firewall from the switch (Orange and Red) and the black from the motor connects to the firewall itself as a ground. (that's a good pic in the A/C manual on page 6)

I agree with Greg - if you have only one "hot" wire on the motor it is most likely a single speed motor - so just connect it to the Orange wire (or if it is missing just connect it to the red wire).

Eric
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Old 02-01-2012, 07:03 PM
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At first I htought the slightly bigger motor with the 3 wires (plus ground) was correct for A/C in all three years. Then I saw the smaller two wire motors being used. and thought the resistor under the fan housing was what regulated the fan speed. What is correct?
Carl
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Old 02-01-2012, 07:24 PM
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I have some kind of "double connector" ( female ) housing the red and orange from the car. Then, there is two other wires that goes to the underside of the blower housing, holding something that looks like a resistor or similar on the inside.
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Old 02-01-2012, 07:50 PM
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Perhaps the "double connector" is just a splice of some sort, so the motor runs no matter what speed is selected at the switch.

Sooner or later SimplyConnected will reply, and put this matter to rest.

Isnt it a bit late over there in Sweden right now?!!!?
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Old 02-01-2012, 08:02 PM
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Ooops.

Forgot the A/C cars are wired differently and the wires from the switch go to the control box on the evaporator then over to the resistor and blower. Guess the A/C style blower motors could be different as well.

Maybe someone with an A/C car will chime in.

Eric
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Old 02-01-2012, 08:04 PM
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Quote:
Originally Posted by Dakota Boy View Post
Perhaps the "double connector" is just a splice of some sort, so the motor runs no matter what speed is selected at the switch.

Sooner or later SimplyConnected will reply, and put this matter to rest.

Isnt it a bit late over there in Sweden right now?!!!?
The double connector is going to two different places. One is Orange and the other red.

He,he.. Yes. After 02:00 in the middle of the night. Ned to go to bed. Up in 4 hours again..
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