Question about 2004 Ford Expedition
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Posted on Jan 02, 2017
sounds like the switch is bad. Test the power coming in to the connector and use jumpers to get the fan to operate at all 4 speeds. if it works then it the switch.
Posted on Nov 22, 2008
if you have manual control climate control then the system has a blower motor resistor . if you have automatic climate control then the system has a blower motor speed control. in eather case the part is under the dash in the heater box. depending on the system you have, buy the part and then look under the dash for like part, you will half to remove the under dash panels to be able to see. the part will be on the heater box somewhare.
Posted on Jan 22, 2009
the module that you described at the end of where the fan plugs into has probably went bad. when it dies it closes the contacts in the module and power is on all the time. good luck
Posted on Jan 20, 2011
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