BLOWER FAN

2002 Mercury Mountaineer

Tiny

brian374

June, 13, 2011 AT 11:33 AM

I have a 2002 Mercury Mountaineer. Blower fan turns off and on at any speed, for about 10 seconds each time (either a/c or heat). I replaced the blower motor resistor, but problem is still there. Could it be the blower motor?

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3 Answers

Tiny

Docfixit

June, 13, 2011 AT 12:47 PM

Possible next time it quits check for voltage at blower if present then motor

Tiny

brian374

June, 13, 2011 AT 12:59 PM

When it quits, I still can hear the blower running. But no air flow coming from the vents, or at floor level. So I'm think it is still running somehow, but no air being forced out for those 10 seconds. Puzzles me.

Tiny

Wrenchtech

June, 13, 2011 AT 1:00 PM

I would also verify the ground signal at the blower motor. That's the other half of the circuit.

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