Could be the switch (should be about $55 from autoparts store, just as good as motorcraft part). The stock turn signal switch and wiper switchs are crap. They look made to wear out, so I wouldn't be suprised if that's it.
98.5 SVT
91 Escort GT (almost sold)
96 ATX Zetec (i brake to watch you swerve)
FS: SVT rear sway bar
WTB: Very cheap beater
CEG Dragon Run - October 13-15