Check out any of the eight Signal Generator components enlisted.
The most reasonably priced component used on the Gsf1200sa 1999 (x) (e02 E04 E17 E18 E22 E24 E25 E34) Signal Generator is the Screw.
Some items from this specific schematic: Clamp(l:125), Generator Assy,signal, Ignitor Assy, Bolt.