I have a 2006 Mercury Marquis gs and the fan for the heat and a/c blow on all speeds but you can hardly hear it and can only tell a little difference from low to high. Normal? Where to start?

Asked by Jul 10, 2014 at 04:35 PM about the 2006 Mercury Grand Marquis GS

Question type: Maintenance & Repair

I can tell a little difference from low to high on a/c or heat. I have not ever had a car or
vehicle that did not blow hard and loud on high heat or particularly a/c. Ideas?

1 Answer

be all set getting Posted by Douglas 2 months ago. blower resistor The resistor block is under the hood in the Firewall directly behind a heater hose. You'll likely need to replace the Blower Motor (and fan) as well. Hope your Fan Speed Switch isn't burned up too.  Check it out im getting hi lo speed ..whenever...

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