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#1
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heater a/c controll problem
94 c3500 dooley Heater controll is going bananas. The arrows at the left all flash and the air distribution does not work. Is it the controll or is a actuator not working and the display is saying that?
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#2
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Re: heater a/c controll problem
Have seen threads on this problems before, try searching for it.
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NO 4 N JUNK ![]() 1994 GMC K1500 XC 5.7L 2008 Chevy Impala LTZ |
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#3
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Re: heater a/c controll problem
I have a 90 K1500. Same issues. I ttok that panel off to access the contols. Bad news is that it is a circuit board that controls it. Unless you are super savvy at these things, you'll have to spring for a new control unit. Sticker shock about $300.00 LOL
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