97 DODGE RAM -HEATER CONTROL PANEL - ONLY GETTING AIR THROUGH DEFROSTER - NO AIR THROUGH LOWER VENTS
Monday, December 10th, 2012 AT 6:53 PM
Check the small hard plastic vacuum hose coming in from the engine. For safety, if vacuum is lost to the heater controls, the motors are spring-loaded to go to defrost mode. Your feet might freeze but the windshield will be clear.