<strong>Yahoo Message Number: 55354</strong>Rich,<br/><br/>In that run box where you are looking is a series of relays. There is a relay there for your dash HVAC system. I cannot help you much to locate the relay, as we are snowed in. One of those relays has Circuit 83. I think you have a loose or bad connector on that relay. It's possible the relay is bad....but that relay sends current up to...