Question about 2004 GMC Sierra
Immediately after I replaced my battery, the drivers side starting blowing extremely hot air, while the passenger side continued blowing cold air.
Need to go to dealer to have HVAC module reprogramed. whenever diconnecting battery power on these vehicles you can connect a 9 volt battery between neg and pos to keep the memory in the computers. I am an master ase technician and 5 classes from gm world class tech.
Posted on Jul 31, 2010
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Posted on Jan 02, 2017
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