Buying a Cyberdyne O2 meter is probably the easiest route but if you wish to build your own this is the schematic. I'm thinking about doing this myself and installing the LED's in place of the P-R-N-D-2-1 indicator when I convert the Diplomat to a 4 speed.
For a larger diagram with added info click here.
© 1999, 2001 Steve M. Knickerbocker
