AC Relay
I started the engine ( Ford V-10 ) on my MH and put on the AC ( MH engine ) and I heard everything working. The problem was that no air was coming through the dashboard openings. I only got air throug...
Forum Discussion
Most chassis AC air-direction controls are vacuum operated. Try to access the back of the dash controller. Most likely you have loose or leaking vacuum lines. Defrost position is failure mode for safety reasons.
