C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

computer chip for cooling fans

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Old 03-21-2011, 03:41 PM
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Richard Church
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Default computer chip for cooling fans

Does someone make a chip to change when the cooling fans come on? I guess the chip would go in the ESM. Would the ESM have to be reprogramed? I have been a mechanic for ever but never messed with a computer. Thanks Rich
Old 03-21-2011, 04:39 PM
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toptechx6
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Originally Posted by Richard Church
Does someone make a chip to change when the cooling fans come on? I guess the chip would go in the ESM. Would the ESM have to be reprogramed? I have been a mechanic for ever but never messed with a computer. Thanks Rich
The 95 PCM can be tuned without chip replacement. See this link for information on tools and software to do it yourself:

http://www.moates.net/gm-obd1-pre1996-c-64.html

Or contact one of the tuners listed below if you want someone to program it for you.

http://madtuner.com/

http://www.pcmforless.com/index.php?...age&Itemid=199
Old 03-21-2011, 10:41 PM
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oldalaskaman
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you can also buy them online from several of the venders on this site, ecklers,midamerica,zip, to name a few. The advantage to that is you will have the 'stock' for a backup .

Last edited by oldalaskaman; 03-21-2011 at 10:43 PM.
Old 03-22-2011, 07:57 AM
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STL94LT1
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Originally Posted by oldalaskaman
you can also buy them online from several of the venders on this site, ecklers,midamerica,zip, to name a few. The advantage to that is you will have the 'stock' for a backup .
The OP has a 95, no removeable chip.

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