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

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Old Dec 12, 2012 | 03:58 PM
  #46  
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Originally Posted by Gary Lewis
Probably it then.

sure hope so. i got one coming from napa. $40
 
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Old Dec 12, 2012 | 04:11 PM
  #47  
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Not a bad price for a new motor. I'd bet it'll fix the problem.
 
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Old Dec 12, 2012 | 07:18 PM
  #48  
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Thanks for all your help guys! It was the fan. Brand new it actually was only 27$! Finally back to normal. Thanks again guys!!
 
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Old Dec 12, 2012 | 08:42 PM
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Wow, that's cheap. Glad you got it going.
 
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Old Dec 12, 2012 | 09:02 PM
  #50  
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Sorry one more thing. My alt is pumpin out 14.9-15.1 volts. Makes everything flicker. Will I need a new alt too?
 
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Old Dec 12, 2012 | 09:08 PM
  #51  
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Probably. I'm guessing that in actuality you have a blown diode and you are getting un-rectified AC that is spiking the voltage up. Don't run it very long as you can damage other things. Oh, and the diodes are in the alternator.
 
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Old Dec 12, 2012 | 09:18 PM
  #52  
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Originally Posted by Gary Lewis
Probably. I'm guessing that in actuality you have a blown diode and you are getting un-rectified AC that is spiking the voltage up. Don't run it very long as you can damage other things. Oh, and the diodes are in the alternator.
Is it safe to drive 10 miles to work and replace it at work tomorrow?
 
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Old Dec 12, 2012 | 09:29 PM
  #53  
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Probably. There's no way to say for sure. But, don't rev it up. Keep the RPM down as it won't generate as much voltage at lower RPM. And, it wouldn't hurt to run several accessories like the blower and the headlights - unless the blower is running too fast or the headlights look too white. The load of the accessories will tend to keep the voltage down so it doesn't boil the battery or blow the various light bulbs.

And, it is possible that you will or have blown the new regulator with a bad alternator. They are frequently replaced in pairs. But, there's no need to just replace the regulator as it may well be good. Just check the voltage after you get the new alternator in.

And, btw, have the alternator tested at the parts store. I may be wrong.
 
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Old Dec 12, 2012 | 09:33 PM
  #54  
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Originally Posted by Gary Lewis
Probably. There's no way to say for sure. But, don't rev it up. Keep the RPM down as it won't generate as much voltage at lower RPM. And, it wouldn't hurt to run several accessories like the blower and the headlights - unless the blower is running too fast or the headlights look too white. The load of the accessories will tend to keep the voltage down so it doesn't boil the battery or blow the various light bulbs.

And, it is possible that you will or have blown the new regulator with a bad alternator. They are frequently replaced in pairs. But, there's no need to just replace the regulator as it may well be good. Just check the voltage after you get the new alternator in.

And, btw, have the alternator tested at the parts store. I may be wrong.

Hopefully it didn't damage the regulator. Any way to test the reg?
 
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Old Dec 12, 2012 | 09:41 PM
  #55  
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I actually have another reg. il put it in with the alt just to be safe
 
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Old Dec 12, 2012 | 09:52 PM
  #56  
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I don't know if the parts stores can test the regulator, but they can the alternator. Good luck.
 
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Old Dec 13, 2012 | 07:08 PM
  #57  
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Originally Posted by Gary Lewis
I don't know if the parts stores can test the regulator, but they can the alternator. Good luck.
Alternator did the trick. Back to normal. Thanks again for the help and thanks for the quick replies!
 
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Old Dec 13, 2012 | 07:15 PM
  #58  
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Great! Glad to help. As for the quick replies, I have a computer in the shop and keep my email up on a 32" monitor that I can see from across the room. So, I check it every once in a while and that lets me answer quickly if it is a thread like yours where you are looking for quick answers.
 
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Old Dec 13, 2012 | 08:07 PM
  #59  
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Originally Posted by Gary Lewis
Great! Glad to help. As for the quick replies, I have a computer in the shop and keep my email up on a 32" monitor that I can see from across the room. So, I check it every once in a while and that lets me answer quickly if it is a thread like yours where you are looking for quick answers.
That's awesome! I appreciate it. Il start keeping mine up on my tool box at work for now on.
 
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