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Old 09-17-2025, 03:59 AM
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Squidward Squidward is online now
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Join Date: Dec 2002
Location: Mesa, AZ
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Is it possible that the cal was not done correctly? I have a Classic Auto Air system, and it basically works the same: enter cal mode, and put sliders in the appropriate position as called out in the cal procedure, to remember the resistance setting on the 10k ohm sliders.

Consider starting there. Maybe the installer taught it wrong?

Interesting enough, your current control panel is how mine is set up: cold left, hot right. Dash vent position is all the way left. My system took the factory air control head and converted it to fly by wire, so it looks factory.

If you were feeling adventurous, you could possibly reverse the slide resistors upside down so that the max/min resistance sides are swapped. Then your functionality would likely match your controls.

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Last edited by Squidward; 09-17-2025 at 04:07 AM.