Before I get to that, though, I need to figure something else out. I had wired everything up, to test connections and deal with motor orientation, etc...
1) two motors won't spin
2) I need to deal with my confusion about motor numbering in order to do the resource mapping
While not pretty, here are the signal wires between FC (first photo) and ESC:
NOTE: Images removed because they were totally wrong. Look below for a correct wiring image.
While I might redo them, just to be retentive, they look cleanly separated.
Here's what I do know, the rear two motors responded as #s 3 & 4:
So, any suggestions on how to debug the two non-responsive motors?