happens often when outside temperature is above 95 degrees. sometimes it comes on at a low speed but will not switch to a higher speed. Air conditioner works fine when fan decides to work. usually works for a while in the morning or when the car has been off for an hour or two.
Heater fan comes on and goes off and comes on again like it has a mind of its ow on 2005 Chrysler Town & Country
CK BLOWER MOROT RESISTER THEY CAN CAUSE THIS ISSUE