MY a/c or heat won't work in my 2000 Ford Explorer. It was working on high for a while up front but now that does not work anymore. Also My rear blower was working and that as well no longer blows anything out. How do I know it's my blower motor itself, blower motor resistor or a switchbox?
How do I know it's my blower motor itself, blower motor resistor or a switchbox?
You view wiring diagrams an test electrical circuits with a DVOM - digital volt ohm meter .
Free wiring diagrams here http://www.bbbind.com/free-tsb
Enter vehicle info. year , make , model an engine size , Under system click on HVAC , under subsystem HVAC controls . Click the search button ,then the blue link.
Do you know how to do that ? Videos on youtube on electrical circuit testing .
SOURCE: blower motor 1995 ford explorer
if ur blower only came on the high fan speed i say it was ur blower resistor , but ur blower aint working at all so i would replace the blowerand the resistor cause they eventualy good out with when then the blower problems
SOURCE: 2000 ford explorer fan blower only works intermittently
On ford vehicles the blower motor resistors are the most common problem when this happens.
SOURCE: Blower fan runs high only on 2006 Ford Explorer
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.
SOURCE: 2006 Ford Explorer XLT the Blower Fan only works on 4 and 3 Sp
Look under the dash on passenger side and just to the left of the blower motor housing you will see the 4WD control module.Remove the 2 screws holding the module and let it hang down and your resistors are behind this.Remove the 2 screws holding the resistors and remove.
Now I am assuming you have manual climate control and not electonic.
SOURCE: hvac blower motor not working
replace the "blower motor resistor" located next to the blower motor
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