Colours of the Sierra wires, for Sierra clocks.
Brown/Black. Fuel Gauge.
Brown/White. Temp Sender. (you will need to change the sender to a WHITE cap one, or the gauge will not read correctly)
Black/Yellow. Common feed for Rev Counter, Oil Lamp, & Charging lamp.
Brown/Gray. Oil Switch.
Blue/White. Main Beam.
Grey/Yellow. Panel Illumination.
Brown/Yellow. Handbrake warning light.
Blue. Ignition. (Charging light)
Green. Tacho feed.