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Discussion Starter #1
Hi,

I have a 2004 Focus that the heater/air conditioner blower motor has failed on. When you turn on the car the blower motor will start for a few seconds then quickly fade away to stopped. I changed the blower resister but it made no difference,
I would blame the motor (it has always been noisy) but since it does come on at start, is it the motor or should I be looking at adifferent cause?
Thanks!
 

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2004 Focus Wagon, Zetec DOHC, Auto
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Forgot to say that since the blower is coming on with car, the switch has probably welded its contacts together. A blower with dry bearings draws higher current than normal and can damage the switch and/or blower resistor block.
 
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