hi how are you
i am new in this fourm i have hummer h3 2007 and i have changed hummer factory radio to pionner
after that i have The ac blows hot in any position but max cool
plz halp me
and i have done calibration process but still having problime


adel form kingdom of bahrain

 

Read:
https://www.hummerforums.com/forum/h...e2/#post287052

 

My 2007 did the same thing had to replace the climate control. I have seen others who have added a resistor inline and this has worked for them. Try searching climate control.