16H magdyno connections

... which are split and the wires folded back over them. I find them pretty crude but that's how they were originally. They're held in place by the tufnol plate which stops them dropping out.

The connectors are available but are expensive for what they are. PDMD008 on the diagram here: https://sites.google.com/site/priorymagnetos/dynamo-spares but not sure if they still supply them.