I presume that your A&P did thorough testing on the vent motor. Mine quit and I noticed that one of the connectors to the motor was had turned brown due to overheating. My IA replaced the Molex connector and also noticed that the the fan had not been wired properly according to the service manual so he corrected the wiring. Mine works fine now.

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I, for one, have been waiting for this: $1250 for my Archer II - straightforward installation - maybe worth a look:
docs.wixstatic.com/ugd/712b87_36c56e70fd...8353f645bcade52e.pdf

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