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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

no heat or ac

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Old Aug 25, 2007 | 11:01 PM
  #1  
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84greenf150
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no heat or ac

hey everyone, when i flip the switch up to turn on my fan nothing happens, no heat or a/c, is there a fuse i should check somewhere because my truck sat for a long time and i had to replace every fuse because they deterierated so i figure this might be my problem is a bad relay or something, so let me know if you have any suggestions cause its been freakin hot here lately haha thanks everyone
 
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Old Aug 26, 2007 | 02:47 PM
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Piffery1
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Fuse #9, 30 A. supplies power to the Fan. Could be a bad Blower Motor or Blower Switch.
 
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Old Aug 26, 2007 | 02:58 PM
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I've had mice craw in through duct work and make a nest, preventing the fan from spinning. You fan could be frozen up from a bad bearing too.
 
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Old Aug 26, 2007 | 05:38 PM
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IrishMike
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From: clay city, ky
Hello, on my truck I had a similar problem, it stated as one time which I thought was {maybe dirt/dust at the switch}and did not give it any more thought. Then as a little time passed I would turn it on and nothing would happen, I would get out of the truck and shut the door and it would take off. Well to make a much longer story shorter I replaced the blower motor and the plug that hooks to the motor and it has done quite well since, hope this helps.
 
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Old Aug 26, 2007 | 10:17 PM
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84greenf150
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thanks for all your input i had a mouse nest in the glovebox im sure they are the culprits haha looks like i need a new blower motor
 
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