Order Nissan Blower Motor Resistor Location. Browse Nissan Blower Motor Resistor Connector & Nissan Blower Motor Speed Controller. Maintaining your Nissan's blower motor resistor is crucial for a comfortable cabin environment, as it regulates the fan speed of the vehicle's heating and air conditioning system. Signs that it's time for a replacement include a fan that only works on one speed or not at all. To extend the lifespan of this component, ensure that cabin filters are regularly changed to prevent debris from causing overheating. When selecting a new resistor, consider OEM parts for guaranteed compatibility or aftermarket options that offer enhanced durability or additional features like thermal safety controls. Always check for the correct fitment for your specific Nissan model and consult installation guides for a seamless replacement. With the right choice, you can maintain optimal temperature control and enjoy a more pleasant driving experience.