I have replaced the resistor and that doesn't seem to be the problem. The rear works all the time and is adjustable. If you hit a bump the blower will come on sometimes or go off sometimes. Alternator went out and replaced that along with new battery. I am thinking something must be putting a strain on the alternator as this is the second one in about eighteen months. Sounds like there is a suction noise right before the fan kicks in.
SOURCE: Chrysler Pacifica 2005
Sure, you can buy a new pulley and replace the original one but, you may have bad alternator bearings that is causing this noise you are hearing. i would check this out before buying a new pulley.
SOURCE: 2005 Caravan blower not working
some quick testing would help. test for voltage at the resistor. if there is voltage at the resistor, check for voltage at the fan. if you have power at the fan, remove the fan and hook it up to 12 volts to see if it spins. watch your fingers in case it does spin as it usually spins very fast.
i've seen brand new parts right out of the box that were defective so you need to rule out the resistor and the fan first. if no power is present and the fan works, test the power going to the switch that controls the fan speed.
incidentally if you are visually checking the fuse, pull it out and use a meter to check if there is indeed continuity.
robert
SOURCE: 2004 chrysler pacifica, front blower not working,
replace restor open glove box uplug 4 wire plug and two wire plug put 12 volts two wire plug to mke sure fan works if it does replace restor
SOURCE: 2002 Chrysler Town and Country Rear Heat/Air only on High
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
SOURCE: 2005 Pacifica fan will not
You replaced the blower motor resistor? It's located behind the
passenger-side in-dash glove box. That's what allows you to control the
fan speed...
To Install:
Hope helps; keep us updated.
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Wanted to add that when the engine is revved up the and the blower is working that it speeds up the fan
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