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resistor gives you the fan speeds
if you by pass the blower will be full blast all the time
you need to find the 12 volt and earth for the motor to by pass
Try the blower motor resistor. It can be found behind the glove box. It costs about $20 and is very easy to replace (2 screws I think). If not that, try replacing the temperature control module ($30 used, $300 new). I'd start with the cheap and easy fixes (blower motor resistor) and work my way up to the more expensive fixes such as the module or blower itself. Good luck.
Why are you changing the resistor? Is the blower not working at all, or intermittently? The problem might lir in thewiring behind the control panel. My 2001 l series work sometimes, and the wiring was to blame. Easier fix than that resistor!
Those wires are likely going to blower resistor. Try replacing the blower resistor, and replace connectors on wires to it from blower motor. You just might get lucky. (blower resistor is what regulates blower speeds)
this is more likely a blower motor resistor problem. The resistor controls fan speed, if faulty one or more or all speeds will not work. This blower motor resistor is located near the blower, It should be mounted upwards into the blower motor box, and have several wires connecting both units together (blower and resistor). hopefully this help'd
replace the blower motor resistor this is the main cause of blower settings not to function. the resistor will be located on the blower motor housing. follow the wires from the blower motor to the resistor
blower switch is your fan knob on dash. resistors are located under pass side dash next to blower motor. on alot of cars the blower will work on high speed and not the lower ones- this is a tell tale way to tell the resistor is no good. if this happens again after replacing resistor- ive seen the blower motor shorting out causing the resistor to go bad- then you would have to replace both.(this usually dosnt happen, most often the resistor alone fixes the problem..
The resistor will cost you 12 dollars at your local dealership. It's located under the passenger side dash and is very easy to replace. The resistor installed at the factory is defective and the new one from Mopar is the correct resistor. It would be worth you while to replace it now while you're working on the blower motor. The blower should still work on the high setting, even with a bad resistor but, replacing the resistor may fix the problem.
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