P51DRB Posted September 15, 2011 Report Share Posted September 15, 2011 (edited) ON '93 MODEL DOES THE ECC HAVE JUST A OUTSIDE AIR VENT MODE? THANKS RD Edited September 16, 2011 by P51DRB Quote Link to comment Share on other sites More sharing options...
94 olds vert Posted September 15, 2011 Report Share Posted September 15, 2011 I assume ECC and you have a Cutlass? No venting mode that I know of. Quote Link to comment Share on other sites More sharing options...
Crazy K Posted September 16, 2011 Report Share Posted September 16, 2011 there is a inside/outside vent source selection door, it is set to outside for all settings except MAX AC. Quote Link to comment Share on other sites More sharing options...
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