2007 Hummer H3 AC problem help!!
I recently purchased a 2007 hummer h3 and was working out some kinks. Ac was working perfectly well. I pulled the dash face off to work on the radio and when I put it back on, ac no longer works. It blows air on all settings but none of the lights shine when I press the buttons, temp control isn't working, and the position selector isn't working. Please help I live in south Texas and it's 104 outside.
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Hello Dustin, welcome to HF.
Look at the easiest stuff first. The HVAC controls move with the dash panel, so look to see if you still have a firm and correct connection of the wiring to the controls, maybe it became partially disconnected when you were doing the radio work? |
Dang
I looked and reconnected them and still no Bueno. What could be the next step?
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Did you recalibrate the controls after pulling panel?
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No
No I did not, how is that done?
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If I remember correctly
Temp knob all the way to hot Fan speed on 4 Right knob all the way to left Push and hold left and right knob until they start to flash System will cycle through all modes then it's calibrated |
Fixed
Thank Y'all so much for your help. It was a weird fix. I went to reinstall the radio and whenever I hooked up the radio to power, my ac button lights came back on and ac started working again. Unplugged my radio power and same thing happened, they all stopped working. I'm guessing on the 2007 hummers the radio completes a circuit because they all go into the same harness.
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1 Attachment(s)
Originally Posted by DustinDorman
(Post 345750)
Thank Y'all so much for your help. It was a weird fix. I went to reinstall the radio and whenever I hooked up the radio to power, my ac button lights came back on and ac started working again. Unplugged my radio power and same thing happened, they all stopped working. I'm guessing on the 2007 hummers the radio completes a circuit because they all go into the same harness.
BruceS instructions are correct, but here is another version |
you can unhook radio and all should work.
ive had all conn unplugged a dozen times and never had to calibrate. i just plug them in securely. |
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