[image|3263045]
Let me know if that doesn't help you along and I will see if I can dig up a better diagram.
You can find an entire guide embedded as a PDF for your vehicle.
[link|https://cardiagn.com/mk6-golf-gti-ewd-component-locations-engine-management-systems/|MK6 Golf EDI Components Guide|new_window=true]
Cheers
Monte