Can I get a diagram of where the lines from the heater vacuum lines go

what's it doing,blowing out the defroster only,no matter where you set the selector(vent,floor,etc)? well no reply back,but copy and paste the link,it's free.when the screen gets darker,just click on the arrow down button on the right......................................... where does the vacuum line for a 1996 Ford E-150 Mark … www.justanswer.com › Ford