Lambretta aftermarket rear brake switch

[lambrettasam]

Hello,

I found in my spare an old original lambretta brake light switch i'd like to put on my LD. (see pic below)

I have a casa wiring loom but don't remember how the wiring is. Can someone send me the diagram of this loom as i'd like to know if i have to modify something on it or not.

Thanks,

S
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