88 IROC-Z 5 liter fan relay - Team Camaro Tech
Troubleshooting Diagnosing problems done here.

 
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post #1 of 4 (permalink) Old Jun 24th, 01, 12:37 PM Thread Starter
 
Join Date: Jun 2001
Location: Placerville, CA, USA
Posts: 6
Question

Which one of the relays under the hood is for the radiator fans? I think it's failed, since they're not turning on any longer. I already checked for blown fuses. Is there also a hidden fusible link somewhere? Thanks.

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post #2 of 4 (permalink) Old Jun 24th, 01, 04:53 PM
 
Join Date: Apr 2001
Location: Greenfield WI USA
Posts: 9
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there should be two relays by the master cylinder One is for the primary fan the other is for the secondary fan.
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post #3 of 4 (permalink) Old Jun 24th, 01, 08:42 PM Thread Starter
 
Join Date: Jun 2001
Location: Placerville, CA, USA
Posts: 6
Question

Yes, there's 2 by the master cylinder, but I was told the one nearest the fender is the MAF sensor burnoff relay (which fails regularly about every 18 months).

There's 2 more relays over by the battery. One screwed to the fender, the other held to a radiator bracket. The wire harness from the fan motors goes over toward those two. Any ideas what's really going on under that hood? I've got the "Service Engine" idiot light on, but the thing seems to run fine.

Thanks again!!

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post #4 of 4 (permalink) Old Jun 25th, 01, 05:49 AM
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Join Date: Dec 1999
Location: Meridian, Idaho
Posts: 321
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In my experience with them, the ECM is usually the culprit and not the relays. You would need to get a manual on where that is located. I would get the service engine soon code figured out as well. You would need to get a scan tool for that.

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