Ravivos

Go to the Horizon website and lookup the EVO26GT2, then find the current manual for it and go to the part that speaks about the ignition. You will see that the current module for the GT2 looks entirely different from the one that you provided the link to. This is the current module that is being used today it also comes with a strob light. Another thing is that the current ignition spark plug cap presses on the plug and is not held on with an allen screw. Again by your description I believe that you do not have a GT2 but a GT