I believe, If mine eyes didn't deceive me...some time ago you were looking for the metal plate in the front mirror assembly?
(can't find the original post)
however this may help you.
http://www.ronayers.com/main.cfm
Who can also supply oem and give very useful microfiches to assist with ordering of bits....
Here's your part fiche
http://www.ronayers.com/fiche/200_0351/turn_signal/turn_signal.cfm?CFID=16508&CFTOKEN=19192140
Does this help?