I found a bin of old parts (including the rest of my ZipCC, so I may get it back in running condition) and in it was a spare CC loom! Woohooo!
That means I just have to isolate the signals from leads: 8 (Video GND), 9 (Comp-Sync), 11 ( B) , 13 (G), 15 ®, 20, 24, 25 (IDs), and 28, 29, 30, &...