| Diagram | Fig. 20 — TAIL LAMP AND SUPPORT · ref 13 |
| Subsystem | electrical |
| Listed in parts books | 1974 |
Base assembly
Tail lamp base assembly, the mounting plate the tail lamp body and lens attach to.
This is the base assembly for the tail lamp, part number 54534931, listed in the tail lamp and support section of the parts book. It's the mounting plate/housing base that the tail lamp lens and body attach to, sitting at the rear of the bike where the tail lamp assembly is supported.
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The catalog record ties this to 1974 model-year listings. It shows up twice across the catalog, which suggests it was used in more than one tail lamp configuration or listing for that year.
If you're replacing a tail lamp assembly or chasing down corrosion or a broken mount on the original base, this is the part to look at. Confirm with the shop that this matches your existing tail lamp setup before ordering, since the catalog entry doesn't spell out more detail than what's here.
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