**HELP** with 3 vacume lines out of fire wall ?
i have a 65 lemans with A/C, it does not want to switch from defrost to heat,
the question is : I have 3 vacume lines coming out of the firewall that are un hooked, anyone know where they go ? i think 1 is purple, 1 is brown,
they look like they might of went to a vacume diaphram on the a/c box ?
it also has the original vacume canister on the drivers fenderwell (coffy can style)
im just want to know where the 3 out of the fire wall go ?
anyone know or have pics,
thanks for your time and help