Go to Wholesalemopar.com and search for your wrangler, keyword "resistor". Two parts will come up, I believe they are the same, but one has a link to a schematic for blower assembly. Good Luck.
Where is the resistor on 2001 jeep wrangler
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Pull out the lock on the blower motor resistor wire harness connector to unlock the connector latch . Depress the latch on the blower motor resistor wire harness connector and disconnect the connector from the resistor. Remove the two screws that secure the blower motor resistor block to the HVAC housing. Remove the resistor block from the HVAC housing............
Either your switch is messed up, or more likely the blower motor resistor is bad.
A malfunctioning blower motor resistor will cause the blower motor not to work. When the resistor is bad the blower motors will not turn on.
The blower motor speed resistor is probably burned out. The resistor is available from your local auto parts store.
The a/c heater blower motor resister is located in the vehicle on the passengers side inside the housing next to the blower motor...............Remove the blower motor resistor wire harness connector.Remove the blower motor resistor screws.Remove the blower motor resistor.
Replace the blower motor resistor.
If it works on some speeds and not others, the most likely problem is a defective Blower Motor Resistor Pack. It is located near the blower motor.
Resistor is a separate unit from the blower motor
Generally the blower motor resistor is found close to the blower motor. It relies on the blower motor to keep it cool.
The blower motor resistor has failed.The blower motor resistor has failed.