Question about 2008 Mercury Mountaineer

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I have an 2008 mercury moutaineer that the automatic fan speed control stoped working we cannot get the fan to come on at all

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  • Mercury Master
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Check with the Dealer to see if your Vehicle is still under Warranty. They vary from 2 Years to 3 Years and miles up to 36,000.

Next, the part is the Blower Control Resistor. Usually all you need to do to find it is follow the wires from the Heater blower motor back to a connector on the Underhood ductwork. There should be 1 Electric connector and 2 screws holding it in place. 90% of the part is inside the Duct and the part is about the size of a pack of Cigarettes. Sometimes you have to disconnect heater hoses to get enough clearance to remove it.

The nice thing about replacing this part is to test the new one all you have to do is connect the new part up to the wire connector. If that was the problem your Blower will instantly start working once you turn it on. Then you can switch out the defective parts.

The part can cost from $50 to $150 and they are obtainable from some Salvage yards at a lower cost. However if you are under Warranty you get free parts and labor.

Posted on Nov 08, 2010

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