My son has a Dodge RAM 1500 and he just changed the blower motor and resistor in the truck. Now the air flow coming through the vents is almost nothing.
The blower motor is working and does change speed with each click on the low-med-hi settings so its not a bad resistor or motor. Holding the motor outside the HVAC box it seems to throw a lot of air, but once installed nothing makes it through the vents.
the vacuum actuated door is opening and closing so Im stumped. What could it be?
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