Fans won't work, what could be the problem?
Thread Starter
Launching!
Joined: Oct 2003
Posts: 248
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Fans won't work, what could be the problem? I have heard a lot of people say that the relays for the fans on the LT1 cars tend to go bad once in a while. I'm kind hoping this is the problem since relays are cheap and aneasy fix, How many relays are their and where are they located under the hood? Also what procedure would I take in order to check to see if these relays are working? Last thing, if the relays are good then what other problems should I look for?
Thanks
Thanks
the relays are under the engine bay fuse panel on the drivers front. just get two other relays and plug them in see if they are working then. if not check the fuses. actually check the fuses first. if this does not fix the problem, report back and ill tell you how to check to make sure the wires are good. youll need a test light for that. also remember that your fans from the factory will nt come on til approx 220*and 230* respectively. one other thign to try. turn you ac on. if the fan on the pass side i believe doesnt come on then id say fuse or relay is the culprit
Teching In
Joined: Sep 2004
Posts: 27
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From: H-Town, Texas
Originally Posted by Snow Dog
the relays are under the engine bay fuse panel on the drivers front. just get two other relays and plug them in see if they are working then. if not check the fuses. actually check the fuses first. if this does not fix the problem, report back and ill tell you how to check to make sure the wires are good. youll need a test light for that. also remember that your fans from the factory will nt come on til approx 220*and 230* respectively. one other thign to try. turn you ac on. if the fan on the pass side i believe doesnt come on then id say fuse or relay is the culprit
Thread Starter
Launching!
Joined: Oct 2003
Posts: 248
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I jus thought of something, you see I have a gutted cat and my air pump never shuts off and it kept on blowing fuses. Then the fuses stopped blowing but that was because the connector to the air pump melted and now my fans won't work. I remember reading on another board the fans get their power through this connector, is this true?
Originally Posted by Cerwin Vega Fan
I jus thought of something, you see I have a gutted cat and my air pump never shuts off and it kept on blowing fuses. Then the fuses stopped blowing but that was because the connector to the air pump melted and now my fans won't work. I remember reading on another board the fans get their power through this connector, is this true?
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While the fan switch covers the problem, still doesnt explain why they werent comming on before.
Very well could be a bad temp sendor in the h20 pump. If its not reading right, ECM will never turn the fans on. You would never know the difference unless you had a scan tool on it. The gauge in car reads from a different sender. If the one in the pump is bad = makes for some crappy performance.
Very well could be a bad temp sendor in the h20 pump. If its not reading right, ECM will never turn the fans on. You would never know the difference unless you had a scan tool on it. The gauge in car reads from a different sender. If the one in the pump is bad = makes for some crappy performance.
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