Posted 3/1/2014 17:59 (#3725592 - in reply to #3724911) Subject: RE: 750 sonalert
I have mine plugged into the large d-sub connector in the T2 box (the middle one), the same as I had on a EZ500, it works just fine. I know there is another option when using the 750, but I've never used it and not 100% sure what it is.