K star wiring... help

Hi
Just bought a k-star system to fit to my k-jetronic system. however it came with no wiring diagram. Does anyong have any clue about these systems???? any help much appreciated.

Correct me if I'm wrong but these type of devices were invented in the 90?s when 4 star petrol disappeared leaving only 95 octane unleaded.  Now that you can get 98 octane ?optimax? type petrol why bother adding all that extra complication and ?more to go wrong? stuff.  :dontknow:

All VW petrol engines can run on unleaded, its just some need higher octane than reg unleaded.