72 duster MSD

I used the wires that went to the ballast went thru a terminal strip. the terminal strip I jumped a couple of terminals as to have voltage for the functions, start, run, MSD.

View attachment 1715629426
Where can I find these wires? the ballast resistor has been taken out, what color are they ? I hate so sound so simple which firewall harness do the come out of passenger side drivers side or middle
Thanks