I can email you a copy of the wiring colour scheme from: BS AU7a 1983 in .pdf format if that's of any use?

It's a small file of 30kB or so...

Cheers,

Graham (G4FUJ)

Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW