Borg Warner ignition, need trigger unit

Back in the late 70's installed a Borg Warner electron ignition retrofit in my 1966 Barracuda. It recently failed and I need the optical trigger unit that replaces the points. The other part of the unit looks like a 5 pin Mopar ignition box however it uses a single ballast resistor. I think it is different however, as the extra connection powers the LED transmitter in the trigger unit.

Doing web searches has been fruitless. You all are my last help, next would be to buy a Pretronix setup or other electronic conversion.