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Cooling fans

Tiny
DONEWISHIN
  • MEMBER
  • 1997 CHEVROLET CORVETTE
  • V8
  • 2WD
  • AUTOMATIC
The cooling fans on my 1997 corvette dont run. I have unplugged the collant temp sensor in the block and jumped the plug but they still dont run. I have also tested the relays under the hood. Any ideas
Monday, August 22nd, 2011 AT 4:30 PM

6 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
There are three relays all ground controled by PCM do they come on with AC?
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Monday, August 22nd, 2011 AT 4:35 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
If not, test the fan motors themselves next.
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Monday, August 22nd, 2011 AT 4:46 PM
Tiny
DONEWISHIN
  • MEMBER
  • 3 POSTS
AC wont run either. I assume it is because the fan wont run. AC comes on then goes off immediately.
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Monday, August 22nd, 2011 AT 4:49 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Check engine light on? Any other problems?
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Monday, August 22nd, 2011 AT 5:38 PM
Tiny
DONEWISHIN
  • MEMBER
  • 3 POSTS
Check engine light is not on. No other problems I am aware of. Car works great, just no cooloing fans
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Monday, August 22nd, 2011 AT 5:44 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Have you ran power to fans see if they work? PCM controls AC operation also
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Monday, August 22nd, 2011 AT 5:49 PM

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