Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

AC and temp gauge not working

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Old Jul 30, 2024 | 12:08 PM
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Default New here trying to sort out issues with ac

I bought my 09 h3 off a good friend solid truck I’m the 3rd owner. I’ve read but never seen an answer that helps. The ac and the temp gauge are not working at all. Temp sensor and thermostat have been replaced. I heard rumor of a pigtail behind the dash possibly? I’ve solved a few what I’ve learned are common issues sunroof drain leaking on floors wiper module reseal so I’m hoping this last fault can be solved any and all help is appreciated.
 
Old Jul 30, 2024 | 05:02 PM
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Default AC and temp gauge not working

Hello I have an 09 H3X and the temp gauge don’t work and the ac won’t work either. I’ve replaced temp sensor and thermostat and still no help. I heard that there’s a 3rd part a pig tail possibly behind the dash??? Not sure but need desperate help. Any and all advice is appreciated very much.
 
Old Jul 30, 2024 | 06:52 PM
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Originally Posted by Matthewdillon
Hello I have an 09 H3X and the temp gauge don’t work and the ac won’t work either. I’ve replaced temp sensor and thermostat and still no help. I heard that there’s a 3rd part a pig tail possibly behind the dash??? Not sure but need desperate help. Any and all advice is appreciated very much.
Matt Dillon?, why you make so many threads? You been here 4 hour, you no come here no more!


 
Old Jul 30, 2024 | 07:43 PM
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Possibly I hit the button too hard or too much I’m so sorry I’m not the perfect one like yourself
 
Old Jul 30, 2024 | 07:45 PM
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Or possibly responding holy moly what respond to a post? And what’s time relevant to? The fact that I interact?
 
Old Jul 31, 2024 | 08:59 AM
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Originally Posted by Matthewdillon
Or possibly responding holy moly what respond to a post? And what’s time relevant to? The fact that I interact?
You are overdoing it Grasshopper. Ask your question ONE time after you have searched for your answer(s) and could not find one that worked. Then wait for replies.

Have a scanner? Scan it for any historic faults and report back. Never heard anything about any Pigtail issue, but your problems can very well be related. Your AC will not run if the PCM cannot determine engine temp due to CAN bus communication issues, like a compromised wire harness to the Temp Sensor anywhere all the way back to the PCM. Trace that as far as you can.
 
Old Jul 31, 2024 | 09:09 AM
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What are you, 12, maybe 13. Internet keyboard Asshat?

I gave you a response, good luck on your trip.
 
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