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  1. #1

    Default Need help with clomate control

    I have a 98 suburban with rear defroster. when I have it on defrost not or cold I can hear and feel the vent switching back and forth between defrost and vent for the feet or when I have it on front vent it does the same thing.... also when its on regular front vent heat or cold and press the recert. button it flickers on and off.

    thank you

  2. #2

    Default Need help with climate control

    I have a 98 suburban with rear defroster. when I have it on defrost not or cold I can hear and feel the vent switching back and forth between defrost and vent for the feet or when I have it on front vent it does the same thing.... also when its on regular front vent heat or cold and press the recert. button it flickers on and off.

    thank you

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