Hammer, there were two option on an 86' 200. There was a 15 amp system that had the trhe post rectifier that I posted about bottom of first page for 32. Apparently there was also a 16 amp system that used a box with five wires coming out of it that sells for 108. Pic and price at this site:
http://www.outboardparts.com/mall/dynamic-results3.asp
Good luck with her,
Airslot