Hi please get some photo software and crop or reduce the size of those images. 800 pixels in the widest dimension is what you want
It appears that you have a mix, there, meaning a solid state replacement for a 69 regulator (single wire field) but you have a 70 / later isolated field alternator. What you want to do is to GROUND the other field connection. That VR should work fine with that ignition system, as it's not the old "mechanical" regulatr