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Thread: PWM fan control

  1. #1
    Tuner in Training
    Join Date
    Feb 2020
    Posts
    35

    PWM fan control

    Wanting to put a SPAL PWM fan on my swap, I need help figuring out the best way to do so. I?m running Vintage Air and want the Trinary switch to continue controlling the fan for A/C. The SPAL fan has an A/C trigger wire so that?s no issue. How can I control the fan with the OE PCM and not have A/C pressure? Thanks for any input.

  2. #2
    Potential Tuner
    Join Date
    May 2020
    Posts
    1
    I have the same setup - I have spal fans and Vintage air - but I am using the town and country PWM controller on the fans and plan to use the OE A/C sensor to control the AC involvement with the fans, the theory is that with the stock AC sensor on the ac line it will comm with the fans via the T&C PWM controller - I have that controller hooked up to both fans