Hmmm...https://forum.classicmotorworks.com/index.php/topic,7829.msg233636.html#msg233636 (https://forum.classicmotorworks.com/index.php/topic,7829.msg233636.html#msg233636) instead of your "old domain" link to "http://www.enfieldmotorcycles.com/forum/index.php/topic,7829.msg233636.html#msg233636 seems to get one somewhere, but I don't see anything much there about the ignition switches you mention. But hey, why not try giving these type of substitutions (highlighted above in boldface) a whirl or three and see what comes of it.
Please note well that the more secure "https" instead of the old "http" is in play in the new URLs. Then again, that whole old vat of digital SpaghettiOs may well have been re-indexed and re-ordered and re-numbered during the migration to this "new and improved" forum system, so those old bookmark babies of yours may well have sailed right out the window with that tsunami of bath water.
(https://hips.hearstapps.com/esq.h-cdn.co/assets/cm/15/06/54d40588a55bb_-_tumblr_m4umg73zly1r3nk7bo1_r2_500.gif?resize=480:*)
Remembering the "Old Ways"