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Swapping a fan

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#1 Rayoptics


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Posted 19 March 2017 - 04:10 PM

Hi all,


I'm trying to fix something up on my wife's intel fan. That stupid thing makes this super high pitched whine. Sounds like about 14,000 Hz or higher and it hurts your ears. I have a spare Intel fan that does the same thing so there's no sense giving her that one. I wanted to jury rig something by using an older 3 wire fan but need the white 4 wire connector to make the 3 wire fan go. What wires should I snip and connect ? Thanks

Attached File  FanWires.png   164.43KB   0 downloads

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#2 Drillingmachine


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Posted 19 March 2017 - 04:37 PM

4-pin connector:
Black ground
Yellow +12V
Green: Fan RPM sensor
Blue: PWM

3-pin connector:

Middle: +12V?

Other two:
Fan RPM sensor

Hard to say as color "codes" are very strange ones.

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