SX/SXi/SXi Pro MSD problems, no spark

I have a Analog MSD total loss system that I bought used from someone and I put it all in on my 750sxi ski and the red light comes on when I turn it on, but then I crossed the two green wires to check for spark, nothing. I have checked all my connections and I have a good battery going to it. I have OEM coils on it and I have tryed 3 different coils on it and it does the same thing. Does anyone have any ideas what might be the problem?
 
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