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Eddie G
Guest
heat has 4 settings 1,2,3 and 4. hi went out only 1,2 and 3 work, at the same time the air quit working . now the heat still blows even with it shut off fan on low and shut off completly it burns u out of the truck did the whole heat and air unit go bad or is it somfin else was told it could be somthing under the dash near the heater core