From here seems to match your colours half way down;
https://www.rhocar.org/index.php?/fo...a-dash-clocks/
Colour Panel Harness
1 Blue / White Main Beam
2 Black / Yellow +12v from IGN switch
3 Brown / Green Oil Pressure Pressure Switch
4 Black / White Indicators Indicator Switch
5 Green Tachometer Coil (Green)
6 Brown / White Temp Gauge Sender
7 Brown / Black Fuel Gauge Sender
8 Black / Green Indicators Indicator Switch
9 Brown / Yellow Brake Warning Reservoir Plug
10 Blue Alternator Warning Alternator Plug
11 Brown Earth Drivers Kick Panel
12 Green / Slate Illumination Panel Rheostat
#1 as per Haynes manual = Main Beam Warning
1 to 12 (Right to Left) Viewed from rear of Panel