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Old 09-16-2003, 09:44 PM   #1
BAD4X4
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Location: La pine Oregon
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I need help with heater!!???

Hey guys, the blazer I bought a while ago has a heat problem, when you put it on defrost the heat comes out the ac holes instead of the top dash vents to defrost the windshield. I have been racking my brain about this for days, Im sure I know what is wrong but haveing a brain fart. All vac hoses and etc are hooked up too. thanx in advance for your help. Dana
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2007 GMC Crew Cab Diesel 6"lift {The Tow Rig
2017 Ford F-350 Crew Cab 6.7 6"lift (Wife's)
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Old 09-16-2003, 10:20 PM   #2
Gee_Emm
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Sounds like the cables are switched, the same happens to on my truck, only because when I put the radio in I took out the heater controls and when I hooked them up again I put a cable in the wrong spot. There are three cables that control all that stuff. Try turning on the other levers and see what happens.
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