[Rovernet] Brake failure switch

[LANCE LA CERTE PSY D]

1970 P6B with dual line system.  Does anyone know where I can find a new switch.  Does this switch exist on any other Marques making it possible to buy from, perhaps some place like NAPA.  In my parts book it only shows part #565550 as the whole 5 way junction-----I can't believe I would have to buy the whole assembly.  Even a used one which doesn't leak would be appreciated.

Thanks, Lance
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