Blower only works on high and doesn't give out heat

Asked by Oct 18, 2019 at 08:44 AM about the 2002 Mercury Grand Marquis LS Premium

Question type: Maintenance & Repair

1 Answer

79,925

If blower motor runs only on high, you probably have a bad blower resistor. No heat can be caused by coolant level being too low to reach the heater core or you have a blend door problem.

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