2005 Mercury Grand Marquis Q&A

2005 Mercury Grand Marquis Question: AC AND HEATER FAN NOT WORKING

DOES NOT WORK ON AC OR HEAT -
Answer 1
Most likely it is the blower resistor. I have a 2005 Grand Marquis, the resistor has went out twice. It is recommended not to run the fan on the lowest speed as the fan is used to cool the resistor. -
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