question on ls1 pcm cooling fan control...

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Jul 9, 2010 | 05:19 PM

#21

Yellowbrother

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Quote:

Originally Posted by FastKat

This is news to me. Although the wiring permits one fan to be run in high speed only, I didn't know the PCM actually did it. I always thought the PCM kept the fans at the same speed - either both off, both on low speed or both on high speed.

from wat i've gathered....i may be wrong...or the other guy is wrong...but on dual fan setup...there is only one speed....

low = one fan running
high = two fan running

thats what i've gathered from my search and from reading various ls1 cooling fan setup....

Jul 14, 2010 | 04:17 PM

#22

69bigblock

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Joined: Apr 2010

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mounted my taurus fan to my 04 gto ls1, and it worked out perfect using the hollister fan relay kit. Its a nice peice that is already wired. I would recommend this instead of putting things together to make it work..
http://www.hollisterroad.com/proddet...?prod=MarkVIII

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