my air conditioner and/or heater blower stays on high and wont go to lower level on 2006 Infiniti QX56

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It will however turn off and on. But when I turn it on, the only option is on high.
(3) Answers
If it was as simple as it sounds. You have a bad Variable Blower Controller. My guess that's a dealer item only. Good luck
I'm having the same problem. Can someone tell me what the response/resolution!
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