hello mate,mc16 panels are usually knocking about on ebay.but the twin cdi units are like rocking horse ####,i couldnt even source new ones.
i got a pair off a great bloke on this forum for £50 quid,which was cheap.
i have got 1 good unit,so if its only one thats knacked,send me the part no and i may be able to help....got to keep them 16s running,theres not many left..
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i think it wants ringing
i think youve rung its neck.