Sticky #2: First Time Purchasing Advice & What Are The Essential Improvements

The starter relay is only energized when you're starting the car, the ignition obviously needs power from that new "ignition supply relay" when the engine is running as well. Therefore power from the starter relay would not be a good source for activating the new ignition supply relay.

Switched 12V power from the new ignition supply relay is used to supply any portion of the new ignition requiring a switched source of 12V power; the coil, the module, etc..

Thanks George

So I will re route the L/B from the ignition switch to 86 on the new relay, then from 87 on the new relay to the +ve side of the coil.

What purpose then does the Orange wire do also from the +ve side of the coil to the starter as per the original wiring diagram.

Cheers
Horace

With the breaker point ignition the voltage supplied to the ignition coil during normal operation passed through a ballast resistor which more or less dropped the voltage down to about 50%, the coil operated on about 7 volts.

The orange wire temporarily supplied the ignition coil with full 12 volts (no ballast resistance) during starting, to help start the engine quickly. If a 7 volt coil is supplied 12 volts full time it would quickly fail due to heat, but for a few seconds during starting its OK.

Since your new ignition runs on full voltage full time, the extra wire to boost starting voltage to the ignition coil is unnecessary.