Heat controls on Granite

Discussion in 'Mack Forum' started by tb9027, Oct 25, 2014.

  1. tb9027

    tb9027 Bobtail Member

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    Oct 25, 2014
    0
    On my 2014 Granite the temp control and vent selector controls are not working. The air blows thru the defrost and ac vents all the time. It feels like an electric switch instead of the old style with the rods. Is there a fuse or is this some sort of vacuum switch that makes this work?
     
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