Purchase Hyundai Blower Motor Speed Controller & Hyundai Blower Motor Resistors. Replace Hyundai Blower Motor Resistor Location. Maintaining the blower motor resistor in your Hyundai is critical for ensuring a comfortable cabin environment, as it regulates the fan speeds of the vehicle's heating and cooling system. To extend its lifespan, avoid running the fan at maximum for prolonged periods and ensure cabin filters are replaced regularly, as clogged filters can overwork the resistor. If you encounter issues like the fan only operating at a single speed or not working at all, it's time to consider a replacement. When choosing a new resistor, opt for OEM-quality components or aftermarket parts with proven durability and compatibility with your Hyundai model. Installation is straightforward for most DIY enthusiasts, but always disconnect the battery before attempting to replace electrical components.