Here is what my john deere dealer told me "The I-match come from John Deere but they do have 2 different ones. The black one like what you got and then a higher priced one that is the same only green. The box blade will work, all you have to do is extend out the top link before you back up to it so the hook is farther back."
I have tried that but still can't get it to hook up, enclosing some pics maybe you can tell me what I am doing wrong. I can't even get the bottom ones to hook up. Looks like to me if I suppose to hook up to the bottom bolt of the box scrapper it is too big to go in the hole. I hate calling my JD dealer all the time he prolly thinks I am an idiot. 1st time tractor owner I don't know about this stuff.