Not positive but I believe it's under the driver's seat. Good Luck!
The wiper control module is located inside the wiper motor assembly.
i think what you are refering to is a blower staying on all the time, if so the blower motor has shorted the control module, you need to replace the blower motor and control module.
What year and model
The ECM (engine control module ) is located on the center of the firewall just above the motor. It's the thing that has a lot of wires going to it.
Controls the application of voltage to the motor to control speed and direction of the motor. If there is a built in charger it would also control the charging process.
It is located under the dash near the blower motor.
The electronic control module is an embedded system that controls one or more of the electrical systems in a motor vehicle. These are sometimes referred to as the car's computer.
The windshield wiper control module is usually in the fuse box located in the engine compartment of most automobiles. Sometimes the windshield wiper control module is located on the firewall next to the windshield wiper motor.
The control module for the blower motor is under the glove box inside the heater box.
in the front side of the wiper motor
controls all of the electrical systems not related to the motor
Extended Commissioning Motor hope that helps :) or, Engine Control Module.