This isn't that difficult. The 69 1/2 cars used the standard harness with the coil wire taped into the harness. The new coil wire is connected like so into the ballast resistor. (photo from a lift off hood playground member)

5662098-CoilWire.JPG (43 downloads)
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".