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.

Brown.                                           Earth.

Grey/Yellow.                                 Panel Illumination.

Brown/Yellow.                               Handbrake warning light.

Blue.                                              Ignition. (Charging light)

Black/green.                                  Indicator.

Black/White.                                  Indicator.

Green.                                           Tacho feed.