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Check to see if you are getting voltage to the blower motor if you are the motor is bad if not check the fan speed switch. 1 2 3 or low medium high if you get voltage going to the switch but not from replace the switch if you have voltage from switch check the blower motor resistor the although with the blower resistor you commonly have a high fan speed in the max setting and the lower speed settings don't work wich would make you think 1 2 3 are not working but 4 is. That is why it is best to check all parts to make sure the part you do replace needed to be replaced
BLOWER MOTOR WORK ONLY ONE SPEED.YOU COULD HAVE FAULTY BLOWER MOTOR RESISTOR OR BLOWER MOTOR CONTROL SWITCH BAD.USE VOLT METER CHECK VOLTAGE AT EACH CONTROL SWITCH SPEED TERMINAL. IF POWER IS AT EACH TERMINAL ON CONTROL SWITCH YOU MORE LIKELY HAVE A BAD BLOWER MOTOR RESISTOR.
There is a blower motor resister that has gone bad,also check the blower switch on the back,the connection could be burned ,the blower motor causes this to happen,even though it sounds ok,it is drawing to many amps.
This circuit is controlled through the switch. In the high position,it by-passes the blower resistor.So if the blower is off in the high position, and the fuse is good, you need to check the switch,blower motor or the wiring.Since the switch physically feels different,start there. Pull the switch and ground pin #4 blk/org wire with the key on. If the fan works,the switch is bad. You need to check the connector at the blower motor for evidence of a burn. If you find the connector burned,you will need to replace the motor and the connector. I am sending the wiring diagram to help you. If you need anything else,drop me a line. Thanks,Chuck
Your blower motor resistor has gone bad, it should be located next to your blower motor in the car, held in place with a couple of screws, remove it and replace it. The resistor is responsible for making the blower motor run at slower speeds than high or (4). Let me know if this helps.
well, check the fuse/relay then you will need to remove the control panel to access the switch then check the switch its self in all positions with a volt meter. if none of those things have found the prob then you prob have a bad blower motor. most likely its a fuse/relay usualy or a switch. when a motor goes it usually will still blow on high. if its out completely it ususaully smells like burnt tape.dont worry its prob something simple and cheap, ie fuse/relay. Let me know MrRodneyLong@gmail.com