could it be that littel switrch unique ot monteros? There is a little lever on the vents that allows you to allow air from outside to that one vent and not the other. Ill be one is set to open and the other to internal.


1990 RS 4door 3.0L V6. 2 inch body lift. 33x12.50/r15 BFG AT's, 3 Superswampers(1 on the way) CD Player, Superwinch Hubs
My pics http://community.webshots.com/user/nhmonty