I have a 96 gmc sonoma with 189k miles, and the swith contorl for the heater and ac goes on but it only blows out of the defrosters and floorboards. Both the heat and a/c work fine but the controls do not change where the vents blow out of. Thanks for the help.
have the same problem?
Wednesday, June 20th, 2007 AT 3:55 PM