ford truck blower fan only works on high
ford truck blower fan only works on high
I have an 2004 f-350 and the fan only works on high. i ve changed the resistor and pigtail. switch and fan motor with no luck. any advice?
Re: ford truck fan
Well, it would not have been a bad motor, since it works on high.
The only thing that controls blower speeds is the resistor, except for high. That is its own 12 volt feed.
If the resistor did not fix it, then check all the fuses. There will be one for high, which we know is good, and one for the other speeds.
The only thing that controls blower speeds is the resistor, except for high. That is its own 12 volt feed.
If the resistor did not fix it, then check all the fuses. There will be one for high, which we know is good, and one for the other speeds.
Read some SIMILAR questions down below for more help.
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Re: ford truck fan
checked all the fuses and they are good?
Re: ford truck fan
OK. Then you are going to have to check for proper voltage to the the resistor block. The voltage in will change to a different wire when the fan switch is put in different positions. If not, then you have a wiring problem between the fan speed switch you replaced and the resisitor.
Read some SIMILAR questions down below for more help.
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Re: ford truck fan
i dont have any power coming out of the fan motor. orange and black wire. power goes in obviously but not out. noticed that the ground strap from the block to the firewall is broken. could this be my problem?
Re: ford truck fan
Well, you wont have any power coming out of the motor. That is the ground side. To test a ground, connect your test light to a power source, then touch the other end to the disonnected ground wire. The light should come on if that wire has a good ground.
Do you have power going into the fan motor on all speed adustments?
I would fix that ground strap to see if it help.
Do you have power going into the fan motor on all speed adustments?
I would fix that ground strap to see if it help.
Read some SIMILAR questions down below for more help.
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Check out our Photo Gallery
Re: ford truck blower fan only works on high
fixed the ground strap still no luck.
Re: ford truck blower fan only works on high
Do you have power into the blower motor or resistor on all speed settings?
Read some SIMILAR questions down below for more help.
Check out our Photo Gallery
Check out our Photo Gallery
Re: ford truck blower fan only works on high
yes, power into motor and resistor on all speeds.
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