FAN WON'T BLOW INSIDE CAR ON HEAT OR AC

2000 Mercury Marquis

Tiny

Amy

November, 24, 2010 AT 2:58 AM

2000 mercury marquis heater fan will not work

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3 Answers

Tiny

Jacobandnickolas

November, 24, 2010 AT 2:59 AM

Have you checked to see if there is power to the blower motor? Does the fan work on any speed?

Tiny

Amy

November, 24, 2010 AT 3:03 AM

The fan does not work at all. Blower motor has been changed. Would it be the switch?

Tiny

Jacobandnickolas

November, 24, 2010 AT 1:36 PM

I would recommend working backwards to locate where the power is lost. Usually the switch is fine. Problems usually are from the resister or the relay. Trace the power supply back from the motor to see where it is lost. My guess is the blower motor resister or relay.

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