So i didn't have enough components to try it out, so a order to mouser for 2 optocouplers and 4 3k 2 watt resistors, along with some other random stuff i thought i might need. I drew up a circuit that i would like to bread board and scope the output of the Vo on the optocoupler, so i can move on with the project.
Question:
Please review the Circuit to make sure i have everything right.
Notes:
This is on a golf cart, power is cut every time the pedal is released, problem?
Charging system can exceed 18-20 volts if out of adjustment, so a dc-dc buck converter is used for regulated 12v power.
Gm HEI module looks for voltage to drop to zero on W/G and then breaks the C or the negative coil connection to fire the spark plug. B is powered with the pedal switch.