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CHECK BLOWER MOTOR FUSE AND RELAY.SEE IF POWER GOING TO BLOWER MOTOR YOU HAVE FAULTY BLOWER MOTOR.IF BLOWER MOTOR FUSE AND RELAY OKAY.IF NO POWER GOING TO BLOWER MOTOR BUT POWER AT AC AND HEATER CONTROL SWITCH. BLOWER MOTOR HAS POOR GROUND OR AC AND HEATER CONTROL SWITCH IS BAD.
CHECK BLOWER MOTOR FUSE AND RELAY.IF ALL IS GOOD.BEST TO REMOVE BLOWER MOTOR HOTWIRE IT.IF DONT WORK REPLACE BLOWER MOTOR.IF BLOWER MOTOR WORKS.YOU HAVE FAULTY CONTROL SWITCH OR MODULE.BESURE TURN OFF RADIO FIRST YOU NEED TO REMOVE NEGATIVE BATTERY CABLE.WAIT 15 MINUTES BEFORE WORKING UNDER DASH.THIS WILL DISARM AIRBAG AND BCM UNDER DASH.YOUR BLOWER MOTOR UNDER DASH ON THE PASSENGER SIDE FAR TO BACK.YOU NEED TO REMOVE BOTTOM PANEL TO GET TO IT.
Look in engine compartment close to battery for fuse box, remove cover and inside cover there is a diagram of fuse/relay locations.
You are looking for a fuse and relay, it should say blower fan or AC blower fan. First check fuse, if Fuse is ok. check Relay.
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OK..Assuming the fuse and relay are ok i would kick the lower part of the dash. This sometimes jolts the fan back on. Here is what it could be.
1 fan motor
2 blower motor resistor
3 Blower motor switch
IF ALL WINDOWS ARE NOT WORKING IT LOOKS LIKE.THE POWER WINDOW CIRCUIT BREAKER IS BLOWN.CHECK THE HEATER AND AC IGNITION FUSE.MAKE SURE POWER IS AT THE SWITCH.IF ALL IS GOOD.CHECK BLOWER MOTOR FUSE AND RELAY.IF THEY ARE GOOD.HOT WIRE BLOWER MOTOR IF IT WORK YOU HAVE A BAD BLOWER MOTOR SWITCH AND RESISTOR.IF BLOWER MOTOR DONT WORK.REPLACE BLOWER MOTOR.
You need to check the ressistor under the dashboard, behind the glove box if that isn't it then replace the switch which you can get cheapier at a salvage yard or on ebay. I just did this and anew switch is $55.00 at my local Ford dealer.
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