| Diagram | Fig. 31 — IGNITION CAPACITOR AND T100C HEADLAMP · ref 12 |
| Subsystem | electrical |
| Listed in parts books | 1968–1969 |
Shell only
Headlamp shell only (housing, no light unit or lens) from Lucas electrical equipment listings.
This is a headlamp shell, listed as shell only, meaning it's just the outer housing and not the reflector, lens, or wiring behind it. It shows up in the catalog under the ignition capacitor and T100C headlamp figure as well as the general electrical equipment plate, which tells us it's tied to the headlamp assembly rather than any other lighting fixture on the bike.
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A headlamp shell like this is the metal bucket that everything else mounts into - the light unit, the ammeter or warning lights on some models, the pilot lamp, and the wiring connections all live inside it. It's the part that takes the weather and the vibration, so a cracked or rusted-through shell is a common reason to replace one outright rather than patch it.
Our records place this one in catalog appearances from 1968 to 1969. If you're matching this against a headlamp shell already on the bike, check the mounting ears and diameter against what you've got before ordering, since we don't have further dimensional detail on file for this listing.
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