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Prev Professional Automotive Repair Technical Discussions for August 12, 2023
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2008 Ford Edge SEL 3.5L overheating VIN: 2FMDK38C28
I checked the signal wire to the fan with my oscilloscope. It was a nice clean square wave that varied in frequency when you commanded the fan speed up and down with the scanner. Got another fan module from the parts store and fan started working immediately...
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