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98 GMC Sierra heater/ac controls quit working!

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Old Jan 9, 2017 | 08:45 AM
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Default 98 GMC Sierra heater/ac controls quit working!

Started her up and no heat or ac. Changed blower motor, resistor and relay, and temperature controls themselves. I can hear the motor moving when i change where the heat come from but nothing comes out. Need help!
 
Old Jan 18, 2017 | 08:38 AM
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Is it still coming out of the defroster?
 
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