No idea, but I have an intellifeed revvi you could buy, and cut the wire out and transplant it maybe? Or buy wires from maplins.
If you search on PBnation I'm sure it tells you somewhere how to intellifeed a halo.
edit: if intellifeeding was what you were talking about, there are instructions
here: http://www.angelowners.com/showthread.php?t=36580