Blower fan, front, not switching off. When the a/c is switched on, fan reduces speed automatically, fan speed control switch has no effect. When the a/c is switched off, blower fan automatically increases speed, selector speed control switch has no effect. Removed front relay fuse in engine compartment, blower fan went off? What do i need to do to fix this?
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Check the wiring to the motor and resistor pack For the motor to run at full speed all the time indicates that there is uncontrolled voltage to it which means that there is a earth after the motor before the resistor. For the resistor to burn out .Well it requires fan air flow to keep it cool and with the ignition off it must still be getting current to it to earth. I am suspecting a faulty automatic control module. I suggest you have it check out for failure.
similar problem recently on an '02 sable.it was the EATC--Electronic Automatic Temperature Control module,located behind the dashboard,it has vacuum tubes and many wires connected to it.check vacuum lines for a leak,but the lack of fan speed control points to the auto module.Ford wanted $300,found one in a junk yard for $50.Good luck
I replaced the fan module under the glovebox on my 2005 Town & Country last night. Mine would not shut off at all with key on. It only blew on high no matter where I set the switch. Mine also had the climate control which makes a difference. If it is not the auto climate control it is usually the blower resistor if the other fan speed selections don't blow at all except on high.
Chrysler vehicles are notorious for the blower motor resistor going out. If your Town & Country has automatic climate control use a SMP RU399, else use an SMP RU362 for the front resistor and a SMP RU490 for the rear. They are generally located on top of the blower motor/wheel assemblies.
most of the time the resistor is located downwind of the blower motor so it should be not to fao from the blower motor in the right rear of the van behind the quater trim panel which is the hvac unit is located
Replace your blower motor resistor Resistor located under dash on passenger side in screwed into blower housing. May be able to be repaired. Requires soldering a small piece of "unmelted solder" across where the old fusible link was. look carefully at resistor. Or else just replace. Buy new. Junkyard resistor likely to be as bad as yours.
In my 2001 Town and Country without automatic temperature control, my heater/AC blower suddenly worked only when set on high. Usually, that problem is your blower resistor pack.
I had to search for the one in my van since the parts man wasn’t sure where it was except that he thought it was in the dash somewhere. (In some other vans it was under the hood.) My Haynes manual didn’t have anything on it except a picture showing it with the blower. I found it directly behind the glove compartment. Very easy to get to once you know where it is.
The glove box can be lowered all the way out of the way just by pulling in the sides so the rubber stoppers come out toward you. The sides bend easily to allow that.
The glove box being out reveals the resistor in the heating duct right in front of you. Just remove the two sets of wires and two bolts (10mm socket, I think) and the resistor pack slides right out. Then bolt in the new one an plug the wires back in (they only fit in one way). Fold the glove box back up and press the stops in to get them back in place and you are done.
The resistor pack only cost $12 and change at my dealer. It is part number 1-04885583AB which was a replacement for the same number with AA at the end, so I’m guessing they had a lot of trouble with the AAs and so made a better AB.
Last Winter my heater blower fan worked only on High. I changed the front heater/AC blower resistor pack and was surprised at how easy it is, but I had to figure it out for myself since my Dealer's parts guy was no help as to where the part lived and my Haynes manual was just plain wrong. This was on a 2001 T+C. I'd be very surprised if the 2001 Caravan was any different. Don't know what other year vans would be the same. I do know some earlier generations had this resistor under the hood and Haynes had is with the blower sort of behind the instrument cluster.