GMC Yukon blower motor continuously runs, causing battery drain and requires fuse removal to stop on GMC Yukon

Some GMC Yukon owners report experiencing issues with the blower motor continuing to run even after the engine is turned off, which can lead to battery drain and the necessity of removing the fuse to stop it. This problem may stem from a faulty blower motor resistor unit located under the glove box, where a malfunctioning relay can cause the fan to remain operational. Additionally, some owners find that disconnecting the electrical connector from the blower motor resistor and removing it can help halt the continuous operation of the blower motor. If the issue persists, replacing the blower motor controller may be necessary, and using a bi-directional scan tool can assist in diagnosing whether the problem originates from the controller or the HVAC control head. Accessing the resistor pad for troubleshooting involves unscrewing the right-hand insulation panel and unplugging the blower motor's power. Addressing these components promptly can help mitigate battery drain and restore normal functionality.