How do you replace overdrive transmission sensor 1999 mercury mystique trans?

To replace the overdrive transmission sensor on a 1999 Mercury Mystique, first, ensure the vehicle is safely lifted and supported. Locate the overdrive sensor on the transmission, typically near the transmission pan or on the valve body. Disconnect the electrical connector and remove the mounting bolt to take out the old sensor. Install the new sensor in reverse order, ensuring a secure connection, and check the Transmission Fluid level afterward.