At last, I got the connectors I ordered and was able to finish installation of my 4-wire LED signals. This part was really simple and they work great!
If you wanted, you could do the whole thing with quick splices. But I hate to cut stock wiring unless I have to. This way, everything is easily disconnected if something fails or I need to remove it.
Here's the parts list:
Here's a link to my turn signal installation guide. It's time-consuming because you have to take the tail end apart to access the bolts.
http://www.chinariders.net/showthread.php?t=16749