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International Automotive Technicians Network
Re: 03 cheve trail blazer ac inop after battery change
Posted to HVAC Forum on 7/10/2006

Hi Kent. Trail Blazer, not Classic Blazer right?

Try this:

Cross fingers, Check and clear any DTCs, Igntiion OFF, Remove HVAC "B" fuse for 10 seconds, Reinstall HVAC "B" fuse, Start engine and don't touch anything - Wait for about 40 seconds until HVAC con... Login to read more.