Originally Posted By NANKET
One hose goes to the vacuum storage can under the battery tray. The other goes to the vacuum diaphragm on the heater control valve.

Well, this is a timely subject for me. I'm just finishing up a 70 Charger with A/C and I forget about that vacuum can. Does the hose that goes to the can have a splice in it right at the firewall or does it go all the way from the can through the grommet to the inside?

Last edited by fastmark; 12/12/16 10:03 AM.