2000 Volvo VNL 770 AC Problem please help!

Discussion in 'Volvo Forum' started by ReneJRR, May 8, 2019.

  1. ReneJRR

    ReneJRR Bobtail Member

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    Jan 14, 2017
    0
    AC module in the firewall slow green normal, a while ago i put a switch to turn on the fan manual sometimes the switch wont work could that be related to that wiring malfunction that makes the fan on all day?
     
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  3. nasriza

    nasriza Road Train Member

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    Feb 1, 2013
    Chicago, IL
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    idont know i can tell you the fan request goes thru that module on the firewall, so if that module has a wiring problem or problem in itself than it will act up now i remember you said you replaced it so it can only be the wiring that is acting up.
     
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