See:
http://www.***************/am/page_listings4.asp?c=22100&p=31205
for the part you broke.
Headlight Pivot Bracket, 914; 9A914.750.271.10 $18.38
Call Pelican first for a better price ;-)
Hopefully you did not burn out your headlight motor. If thats OK its and easy fix.
-Rich Hilgersom