Indicator diode - URGENT help needed - MOT soon!!!!!

[FlipFlopGriff]

Any electronics gurus please look at this. I need to know the value and rating of the indicator circuit diode on a Griff ('92).
www.pistonheads.com/gassing/topic.asp?t=346638&f=9&h=3
Many thanks
FFG

[FlipFlopGriff]

Spoke to David Beer and answer received. See Griff forum.
FFG