Steve-,
I do not understand your post.
What "ABOVE" are you suggesting is not to be followed?
What is meant by:
Green to live.
Brown to earth.
Blew to bits, or should this read " blown to pieces"?
I believe it's what is known as a joke, a pun, a play on words.
Green to live,
Brown to earth
Blew (or blue) to bits.
Sheesh, some people.
The wire you are talking about needs to be connected directly to battery positive via an inline 20 amp fuse. It can be tricky on most cars to find a way through from under the bonnet into the car.
It took me 3 hours to do mine, I had to remove the heater unit and pollen filter just to be able to access the rear of the only grommet on the bulkhead.
At a push you can connect it to the main feed to the fusebox but this is only viable when the fusebox is inside the car.