Thread: Is w124 heater blower motor supposed to run all the time?
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Old 03-19-2016, 04:34 PM
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babymog babymog is offline
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Location: Northeast Indiana
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I do not believe that the fan runs with the ACC turned off. To be sure, there is a 3-wire connection just ahead of the windshield where you can disconnect the power to the fan, and see if your noise stops, or pull the fuse.
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