| Diagram | Fig. 36 — HEADLAMP AND FLASHER LAMPS · ref 20 |
| Subsystem | electrical |
| Listed in parts books | 1969–1970, 1976–1977 |
Ignition switch, type S45 (231099)
Ignition switch, type S45 (231099), used in the electrical/headlamp wiring circuit; later superseded by part 30608.
This is the ignition switch listed in the parts books as type S45 (231099), part number 99-0558. It shows up in the electrical figures alongside the headlamp, wiring harness, and tail lamp components, which is where you'd expect an ignition switch to live on the wiring diagram since it's the key point that lets power through to the rest of the system.
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The catalog record for this one spans a run of years from 1969 through 1977 across several figure appearances, so it saw service over a good stretch of production, though we can't tell you from our records exactly which models it was fitted to in any given year. If you're chasing this by an older reference, note that the factory eventually superseded this part number with 30608, so if your bike's book calls out that number instead, you're looking at the same switch under its later designation.
Give us a call if you want to confirm which one you need before ordering, especially if you're cross-referencing off an old wiring diagram or a switch that's already failed on the bike.
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