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  1. #1

    Default fans dont turn on

    alright here is what is going on....

    fans dont turn on, but i rane a pos/neg wire to teh batt and they both work.....i dontknow anything about electrical work but ive been trying for 2 days to figure it out.,...what are some of the other factors that would play in the fans not kicking on?

    could it be the temp sensor? if so, what sensor should i look for and where would it be located?

    BTW its a 6.0 believe its the vortech 8000

    thanks guys@!

  2. #2
    murdog94's Avatar
    Join Date
    Feb 2008
    Cloquet, Minnesota, United States
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    We also need year make and model. And you will need to check the relays, and the fuses, and then id take a look at the temp sensor, also a ground issue.


    1997 Chevy S-10 Blazer 4X4 with 330K miles and counting (Hunting rig).

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  3. #3
    Sr. Engineer
    Join Date
    Jun 2009
    San Diego, CA


    Check the relays on the fan harness that connects to the PCM.
    Black Bear Performance- Custom Tuning Solutions

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