Marks for persistence, you obviously need some help.
I may have 2 spare PGM-IIIs. I say may, as I've bought a HRC PGM-III but as yet untested. If it the HRC PGM works, I'd be happy to sell you a fully functioning PGM-III, one of my then 2 spares. I hope to have the bike assembled and running by 2nd weekend of May, I'm currently overseas.
Alternatively, try ok!shon / yahoo auctions, usually several PGMs on there for sale.
Expect this post to be locked, so PM me if you want to chat more.
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Rich
MC21 Track Bike / RS250 NF5 'Spencer', NX5 'Cadalora' & NXA 'Aoyama' / RS500 / Two Brothers Racing RC30