
It gives what the standard use for each wiring colour should be.
http://www.peterrenn.clara.net/archive4.html
A useful guide to what that strange wire you've just found under the dashboard might be for (assuming whoever put it there followed the British standard).
I've checked a few, and they seem to match the colours used on my 1971 traveller.
I particularly like "Light green/ Red Fuel tank changeover switch to right-hand tank unit or entry and exit door closed switch to door actuator ".
Anyone out there got two tanks, or automatic doors on their Minor?