Its only a 12V motor, it won't put up much of a fight over the power of the engine...
It ran backwards, exhaust came out the air filter, then once we dropped the plenum hose, it dumped out there. There was nothing coming out the exhaust, and it was sucking air. If you would like to disprove me you will need something better than that...
I have a fairly extensive knowledge mechanically and know exactly what and how it happened, I was just sharing my experience, as I had never seen it before.