Bongo Fury

Am in the process of getting wiring manual from Ian-having seen and worked with a range of maker circuit and current flow diagrams the Mazda seem not very easy to work with. I want to install a hidden immobiliser to isolate the diesel injection pump cut off switch. Has anyone done this?

See the factsheets http://www.igmaynard.co.uk/bongo/member ... switch.pdf
you do realise that the manuals are on-line as well ?