fan control switch
 

my fan is only working in high and none of the other speeds. anybody had this problem or have a clue what might be the problem?

Yeh it sounds like a blower mtr resistor I manage a NAPA and see it all the time the motor only runs on high and the resistor cuts the speeds the NAPA #BR125 should solve your problem

Mine did the same when I bought my truck. I removed the resistor pack and found a copper strip had come loose from it's solder. I held it back down, re-soldered it, and it has been working for two years now.

and where is this located as I have same issue

Passenger side, near the fan motor.
https://w05.dealerconnect.chrysler.c..._US/180278.jpg

Two screws 1
Wire harness connector 2
HVAC housing 3
Blower motor resistor 4
Blower motor 5

is this the whole part mine is a mess pulled it out and it's all crumbling apart.

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just looked it up online and yeah it's the whole piece. this is something I will be getting. Thanks for the info

Nice diagram, very helpful. Im agreeing with everyone above, the blower motor resistor is almost definitely the problem.

Thanks! To be honest, I just did a Google search and it lead me to a different Forum. copied the image, and edited there piss poor report on it. Some guys can't transfer information very well!:s:

should the blower motor work with the resistor unpluged?

I dont think so but you can test the motor by running a straight 12v to it