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Sunday 25 February 2018 at 12:22
Quoted from 27dnast:Where is the flipper relay located on classic Sterns?
The flipper enable relay is on the Solenoid Driver Board (SDB) in the backbox.
(picture courtesy of IPDB)
Lectronamo_SDB1.jpg
Source: http://pinside.com/pinball/forum/topic/how-to-test-flipper-relay-on-solenoid-board-ballystern#post-4249626