R Russell Member Feb 2, 2011 #1 I have a 4.3L V6 and i can't figure out why i can't switch from vents to defrost or floor. I have been doing some reading about vacuum lines but would appreciate the help from someone.
I have a 4.3L V6 and i can't figure out why i can't switch from vents to defrost or floor. I have been doing some reading about vacuum lines but would appreciate the help from someone.