Trying to find the heater control panel inside the car on 1994 Dodge Shadow

The panel controls the defrost to other positions There is no vacuum in the connections

1 answer 2 comments
ck under hood for broken vcac lines that go through the firewall to controller 1st. this is a very common problem
The vacuum line under the hood going through the fire wakk is connected and does have a vacuum
follow the line to vac source and repair as req