I also have the Eclipse 7, and I got G2 to work using the Eclipse 7.
The cable I used came from http://www.tti-us.com/sim
You need to install a freeware tool to add a parallel joystick that G2 then can use as controller.

I don't have the details on the freeware tool right now.

[Edit] Freeware joystick tool needed to run G2 with your Eclipse 7 : http://www.tti-us.com/sim/picjoy.html