Originally posted by sjcruiser
I think you're on something here...One connector pin was marked red (for hot wire ?)...I could check with a voltmeter but on top of your head, is the hot wire black or black with yellow stripe ?
The 'backwards' I was referring to is the airflow direction. It may not be possible to do this with all ICV's, but it was on our 190E. Proper direction is air flows in from the airflow meter (bottom) and out into the intake manifold (top). An arrow on the valve body indicates direction.