I've seen a few of these and the easiest fix is to replace both the blower motor speed controller/resistor and the wiring harness connector. I've tried fixing the connector but the repairs don't last because of the heat generated at the connector if everything isn't just right. You can purchase the connector, which comes with color coded pigtail wires attached, from the dealer and it's a fairly easy and permanent fix. Hope this helps and good luck!
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Blower Motor Resistor and Controller Replacement Image Blower Motor Resistor Or Controller/Power Module Remove/Install REMOVAL 1. Disconnect and isolate the batten' negative cable. 2. Depress locking tab and unplug the wire harness connector
from the blower motor resistor or controller (power module). 3. Depress locking tab and unplug the resistor or controller
connector from the blower motor. 4. Remove the 2 screws that secure the blower motor resistor
or controller to the heater-AC housing. 5. Remove the blower motor resistor or controller from the
heater AC housing. INSTALLATION 1. Install the blower motor resistor or controller to the
heater AC housing. The housing is indexed to allow (controller power module)
mounting in only one position. Tighten the mounting screws to 2.2 Nm(20 in.
Lbs.). 2. Plug in the wire harness connector to the blower motor
resistor or controller. 3. Plug in the connector from the blower motor resistor or
controller to the blower motor. 4. Connect the batten' negative cable.
Thank you for using FixYa.com
Regards, Lee Davidian
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