Question about 2007 Chevrolet Suburban Three-Quarter-Ton LS

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AC Problem This morning my A/C worked fine --- after work the front A/C was not blowing at all --- the back vents were blowing --- we checked circuits and they seem to be fine --- I live in South Louisiana and it is really hot --- please help.

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The on/auto switch is for the fan only on is continuous, auto is just when the t-stat calls for cool. If it works in on possition that means its getting power to the t-stat but does nothing in cool & auto then its your t-stat. $19.95 a wal-mart. probably four wires like this. screws are marked G-R-W-Y. You can do it.
Green-G
Red-R
White -W
Blue or yellow-Y

Posted on Jun 25, 2008

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