| Diagram | Fig. 37 — SPEEDOMETER, TAIL LAMP AND RECTIFIER · ref 27 |
| Subsystem | electrical |
| Listed in parts books | 1960–1962 |
Rectifier
Lucas rectifier, part number 47132, converts generator AC to DC for the charging system.
This is a Lucas rectifier, part number 47132, and it's a piece of the charging system on the electrical side of the bike. The catalog places it in the figure grouping alongside the speedometer, tail lamp, and rectifier, which tells us where it lives in the loom rather than exactly which machine it bolts to.
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A rectifier's job in this era is to take the AC current coming off the generator and turn it into DC so the battery can actually take a charge. It's a simple stack of plates with no moving parts, but it can fail quietly, so if the battery isn't holding charge this is one of the things worth checking.
Our records show this part turning up across catalog entries from 1960 to 1962. We don't have more detail on this one beyond that, so call the shop and we'll confirm fitment before you order.
We've never carried this one. Tell us what you're after and we'll go looking — you'll get a price and photos before you commit to anything.
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