Question about 2000 Mercury Grand Marquis
Check The blower motor resistor pack/fan speed controller is in the engine compartment near the receiver drier at the passenger side rear of the engine compartment. see if any power to motor, if power but still does not work, check for a bad ground.if fuses and relay are good, then you may have a bad heater switch. check the relay and fuses first.
Posted on May 28, 2010
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Posted on Jan 02, 2017
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