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Thread: e fans install

  1. 07-14-2007 06:56 AM #1
    Ramsey
    Ramsey is offline Senior Member
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    im installing my e fans tomm and i was wondering if i have too set the pcm for it ?right now it going too have the stock stat in it till i find one for an o7 6.0 160 that is . i do have hp tuners setup so if i have too do anything could someone tell me how .or if someone want too tell me how too do it after the 160 s in feel free im totally novice so be very descriptive about it i just got the hp tuner.but mostly just for now im only installing for stock settins and thermostat .tell me if now is ok or not .and if youre giving me directions for later.thanks .id appr.any help.i got the duramax flexlite fans w all the proper relays and stuff .iv got that down any way.!oh and what should i set my in and out temps for with the stock stat in it cooler the better right ,its a 07 6.0 im not sure the stock stat is a 180 or 190 ,but if i dont find out ill call dealer the a/c relay wil kick on its own correct?

    sorry hit it twice!
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  2. 07-14-2007 09:56 AM #2
    bgray
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    yes you need to tune pcm...

    mine is 185 on 190 off...but i ahve 160 stat..so i cnat help you there.
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  3. 07-19-2007 11:11 PM #3
    Ramsey
    Ramsey is offline Senior Member
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    why do i have to tune the pcm if it has its own module ,im not putting in a stat yet ,keeping the stock stat.it has adjustable module and ac adapter unit ,very expensive unit .i just dont understand what the pcm has too do with it if i dont change the temps ,im old fashioned mechanic idk ,educate me if im wrong ,what will happen if i hook them up ,set temp module ,hook up ac adapter ,and drive .?i could see if im changing temps but im not ,or do i have too get a harness from allen too get it too run through pcm with160stat eventually so the pcm sees it ?im confused.can i hook it up as is for now then get harness and tune set when i do the 160 stat.?
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  4. 07-22-2007 09:41 PM #4
    RedHeartbeat
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    If you use an external fan controller then you don't have to mess with the PCM.
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  5. 07-22-2007 09:46 PM #5
    Ramsey
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    thank you thats all ive wanted too know ,but when i go too the 160 stat do i have the same cicumstances or is there a reason i should get the pcm tuned for 160.
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  6. 07-25-2007 03:32 PM #6
    mean05
    mean05 is offline Slow
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    i just wired mine direct to run both fans all the time, it lowered my trans temps by 40-50 degrees
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