Thread: AUX fan woes
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Old 09-13-2020, 11:09 AM
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Quote:
Originally Posted by andrewwynn View Post
Oh of course I remember motor/generator lessons but ANY motion will create voltage. I was pretty sure I saw only like 1/4 of a turn in the past butt I'm usually not in front of the car to see when the car is started.
A motor has to spin fast enough to create a voltage so the motor must spin for quite some tme and then free spin to create the electrical signal. Spinning only a 1/2 turn will not create an electtrical signal that will be recognize by the DME.

If he could unclip the front grille in front of the fan I would do that and see if the fan spin freely by hand. Could be the fan bearings are shot.
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