When I turn the heater or a/c on I have noticed that nothing coming through the vents. The blower motor is on and you could hear air going through but nothing comes out ,or very little air is coming out.
Heat and A/C problems on 2002 Dodge Ram 1500
dodge ram trucks are known to have problems with the damper doors in the heater box breaking. You propably have a broken door, that has fallen over and blocking the air flow. the repair requires removeing the dash to access the unit in need of repair.
accuwater motor blower door