Re: 69 engine harness wiring help please.
With an electronic distributor of any kind, you don't need the yellow wire from the starter terminal to the coil. In the OE application, it provided full 12V to the coil during starter engagement (cranking), then it would be de-energized and the coil was fed less than 12V though the resistance wire from the bulkhead connector, to keep the points from burning up prematurely. As long as you have a nice, thick (12 gage or so) feed wire (non-resistance) from the bulkhead connector to the coil positive, that's all you need.
69 'vert project big block/TKO 600 RR
68 'vert driver RS clone -- gone!