you will need to replace the "fan blower resistor" it is about $70 for the part new, $4 bucks for one from a junkyard, it is located under the passanger side of the dash, it has 5 or 6 wires and 2 screws to replace it...it took me 15 mins to do the job...pratice on a car in the junkyard, why screw yours up ;)
The blower resistor has failed.The blower resistor has failed.
Defective Blower Motor Resistor Pack.
Check for a bad blower resistor at blower motor
bad blower,buy a good one and replace
when a blower motor only works on high, it is usually due to faulty resistor board. Should be located in the duct near the blower. the purpose of this is so the air blown by the blower keeps the resistors cool.
You need to replace the blower motor resistor located near the glove box.
the resistor for the blower motor is busted blower works on high with out it
blower motor resistor needs to be replaced
either the switch or the fan motor
Blower fan inoperative or only works on high speed.
blower motor resistor
you have a bare wire touching on your blower motor