Here’s a regulator rectifier from a CX650ED – also seen on a CX400 Custom, and supposedly used on the Honda GL1100. You can usually find some on eBay US, eBay AU, eBay CA and eBay UK. It’s probably used on other TI models in the CX/GL lineup:
The sticker on this one is still pretty clear:
This end goes to the wiring harness:
…and this end attaches to the yellow wires coming from the stator:
There’s nothing really remarkable about the underside – just tape residue here:
You can find the reg/rec part numbers for the CX/GL range here.