Cool thanks man... love this site and being able to get help.
A. Sweet.
B. You are correct, Pioneer.
C. Must be as its a car-length loom.
D. Ok that would make sense too.
E. Is spliced into Red and labelled 'ACC'. Is this the wire i tap into the +12v (ie: wiper fuse?)
F. I think is for the chime speaker

I'll give that a go and see what happens.
Not too many more dumb questions to go!
Cheers!
Goose