Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY2009MILAN PREMIER, 3.0 1, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 275 (HVAC CONTROL SYSTEM)DESCRIPTION AND OPERATIONCONTROL COMPONENTSCONTROL SYSTEM OUTPUTS-MANUAL CLIMATE CONTROLBLOWER MOTOR RESISTOR
2009 Mercury Milan Premier, 3.0 1, AWD
Blower Motor Resistor
2009 Mercury Milan Premier, 3.0 1, AWDSECTION Blower Motor Resistor
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
The blower motor resistor has the following features:
- The assembly is located in the engine compartment on the evaporator housing toward the center of the vehicle
- Three resistor elements are mounted on the resistor board to provide 4 blower motor speeds
- Depending on the blower motor switch position, series resistance is added or bypassed in the blower motor circuit to decrease or increase blower motor speed
- A device to prevent overheating (thermal limiter) will open the resistor coil when the temperature reaches 121°C (250°F) interrupting the blower motor operation in all speeds except HI
- The thermal limiter cannot be reset and is not serviceable
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.