95 Peterbilt heater control

Discussion in 'Peterbilt Forum' started by cke, Oct 24, 2025.

  1. cke

    cke Road Train Member

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    Temperature control is turned all the way to the right. All the way to the hot. Air coming out from hot to cool to warm to cool to hot, and round and round we go. It’s like it’s searching all over for where it’s supposed to be. How do you disable that search mode.
     
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  3. wore out

    wore out Numbered Classic

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    You can try to unplug the HVAC fuse and see if it resets, might be a blend door but I replace more control panels than anything.



    Not saying it’s the control panel I’ve plugged and unplugged everything sometimes and get em to work. It’s almost like the connections get corroded
     
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  4. cke

    cke Road Train Member

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    Colfax Wi
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    Is there something I can unhook or bypass so this blend door only moves when I turn the temperature knob ?
     
    Oxbow Thanks this.
  5. wore out

    wore out Numbered Classic

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    Not that I know of
     
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