why doestnt my fan work?

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Old Aug 24, 2006 | 10:43 PM
  #1  
IROCZJOE's Avatar
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Default why doestnt my fan work?

hi my name is joe and i have an 1988 iroc with a tbi 305 and my fan will not come on at all unless my a/c is can anyone help me and yes i replaced my sensors and relays and still nothing
 
Old Aug 24, 2006 | 10:53 PM
  #2  
SickSickSick's Avatar
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From: Orange, Texas
Default RE: why doestnt my fan work?

is it running hot? Sick
 
Old Aug 24, 2006 | 11:50 PM
  #3  
IROCZJOE's Avatar
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Default RE: why doestnt my fan work?

hell yess it is running hot so hot it boils my coolent
 
Old Aug 24, 2006 | 11:54 PM
  #4  
Flyin89's Avatar
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Default RE: why doestnt my fan work?

your coolant temp sensor also acts as a switch for the fan. when it gets to a certain temp it will kick the fan on. Not sure if it does but it that circuit that i jus talked about has seperate wires check them out.
 
Old Aug 25, 2006 | 12:03 AM
  #5  
IROCZJOE's Avatar
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Default RE: why doestnt my fan work?

some people say its the prom chip it went bad or its defected
 
Old Aug 25, 2006 | 12:34 AM
  #6  
350rs's Avatar
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Default RE: why doestnt my fan work?

i had that same problem. I got clear up to 300 degrees. its the coolant temp sensor. Make sure its working.
 
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