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blower motor stuck on

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Old Jun 17, 2005 | 12:20 AM
  #1  
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blower motor stuck on

the blower motor i just installed is now stuck on low is this normal i then saw on the panel that it only has high and low no off what gives. i swaped all these parts from a donor truck when i installed the factory a/c in it today. and the blower motor only has low it won't go higher and the rheostat gets very hot will almost burn you if you touch it. any ideas
 
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Old Jun 17, 2005 | 06:21 AM
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If I remember right, the lower slider should shut the blower off when positioned all the way to the left. Thats how I remember it but my controller has been busted for a while. Just bought another one on ebay, should have it next week.
 
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Old Jun 17, 2005 | 06:44 AM
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From: waco
Gas hog....He's right. The off position is the bottom slide lever. Position it to the left. If it makes you feel any better, I did something as bad as you when I first put mine in. I left the bottom slide lever all the way to the left. I flipped my blower motor switch up and down. Then I couldn't figure out why my blower wouldn't work for several minutes. The A/C control panel just doesn't work the same as our old heater control panels. I felt pretty dumb. I was looking all through my wiring and everything before I finally looked at my control panel and saw that off switch to the left.
Now for the bad news. If it only blows low....and no medium or high....you have another problem some where. The switch to the far left should turn the blower motor to a higher speed as you go up with the switch. Also that rheostat shouldn't get that hot. Look for anything obvious and get back with me. I'm sure we can iron this out.
Doc.
 
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Old Jun 17, 2005 | 10:30 AM
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The operation of the blower it what is supposed to help keep the resistor from heating up too much.

There are a lot of problems associated with the Dash AC controls.
 
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Old Jun 17, 2005 | 12:15 PM
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From: waco
I think your right Mil1ion....This needs to be something that should be examined closely before something gets burned down.
Doc
 
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Old Jun 18, 2005 | 01:42 AM
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ok i got the speed switch to wotk right. it works great, but still won't shut off does the panel have to be under vacuum for it to shut off.
 
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Old Jun 18, 2005 | 09:01 AM
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Not sure about that one Gas hog....I'll let you know by this evening. I do know to turn it off there is an off position on the lower lever that slides left to right.
Doc
 
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Old Jun 19, 2005 | 08:16 PM
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ok guys i fixed it. the problem was i assumed that the orange wire with the female prong would be connected to the male prong. well wrong guess it turns out if connected bacwards it still supplies power. so i switched the red and the orange around and now it works like it should.now to finish it. thanks
 
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Old Jun 19, 2005 | 10:56 PM
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From: waco
Gashog,
Are you talking about the orange and red wire that plug in to the brown wire?
Doc
 
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Old Jun 20, 2005 | 12:09 AM
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yes, those are them if you hook the red one to the brown wire in the main harness it allows power to be feed all the time through the rheostat and into the blower motor. the red wire must be hooked up to the brown wire coming off the switch.
 
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Old Jun 20, 2005 | 12:52 AM
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Oh. Ok. Did you get everything else figured out about the A/C?
 
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Old Jun 20, 2005 | 12:58 AM
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yep sure did, thanks

right now i am working on some custom a/c vents to provide rear air. my friend works at tap plastics and can make some about 1 '' thick then i am going to use some of the thin vents from a dodge durango for the back. i'll keep you posted on how it goes
 
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Old Jun 20, 2005 | 01:00 AM
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I don't have an extended cab truck, but there are several guys here that do, and I bet they would love to see how that goes.
Doc
 
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Old Jun 20, 2005 | 01:36 AM
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i also didn't like just the high and low switch with no off. so i just swaped the switch from my old one over now i can just leave it set in the a/c position and have the ability to switch it off without have to slide it back and forth.
 
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