Ignition - 6v coil (UK 1974 1/2-1976 and all V8)
Hover over a wire to confirm the colour

Note: On the factory V8 the wire from the coil to the starter solenoid is white with a blue tracer, but the wire from the harness ballast to the coil is white/light-green as shown.

Information on the ballast resistance can be found here.