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Thursday 1 February 2018 at 21:41
Quoted from gutz:In your first pic, all the wires need to be properly soldered to the coil lugs. None appeared to be soldered. There should be a *nylon* sleeve in the coil, that has to stay there. Not familiar with bk2k, but it looks like the outside switch of the lower flipper is what energizes the...
Source: http://pinside.com/pinball/forum/topic/bk2k-upper-flipper-not-firing#post-4207699