There is no flasher, it has a turn signal module under the seat, one bolt in the center holds a flat module, about 2 in by 3 in
npi
General Electric 199 C3
I have a 99 Sportser which should be the same. Mine just went out and it is located under the seat bolted to the rear fender.
try the headlight housing
The turn signal canceller P/N 68537-89(C) is zip ties to the right fork tube under the plastic triple tree cover.
Under the seat. Between the battery and the fuel tank. Right under the slot your seat tongue slides into there is a larger hole in the frame...In that hole you see a silver box with a grey 8-place deutsch connector. You found the turn signal module
Remover the socket head cap screws from the fender struts and remover the tail light/ turn signal wiring from the tabs underneath the fender and you should be home free.
The turn signal module is combined with the hazard light module. You need to remove the dash trim to get to it. It is right behind the hazard light switch.
The 1998 Oldsmobile Intrigue turn signal flasher control module is below the dashboard on the drivers side of the passenger compartment. The signal flasher control module should be labeled as such.
Press both turn-signal buttons simultaneously.
The newer GM vehicles incorporate the turn signal flasher with the hazard warning module