Is it definitely blowing towards you. Because it's mounted flat on the face of the rad, even if it's blowing inwards, you'll still get some blow back due to the resistance of the rad itself. I'd confirm visually before making any wiring changes.
My fan is a bit too powerful I think as when it starts up you get a general movement of air anywhere near the front of the car (and struggle to hear the sound of your own voice)
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