help with HKS twin power

[SFW]

hi i bought a HKS twin power from a member who modified the loom to be wired direct to battery.
i have asked if he could tell me where the wires go but he is obviously too busy!
this is a link to the original thread with pics.

http://www.fduk.org/forum/showthread.php?t=40808

I am after help with the wiring install of the red, green and black wires.

red - probably + pos
black - probably - earth
green - ?

any help greatly appreciated

[FDFDFDFDFD]

This a few months old now, but how did you get on? any information on how the HKS twin power works would be great. some have said its just a capacitor in a box