GETTING MY UG8 TO WORK

So I've established to rebuild it to work better. In the beginning I believed to take the Yaesu MH31 handset that came with the radio apart and put the contents to the Astatic, but as I went combined with the organizing, I made a decision that was not such a good idea. Additonally, I've study somewhere that this isn't a very good mic?Am I insane? I