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Saturday 7 April 2018 at 17:20
I still suspect a mechanical problem, which you can rule in or out by using Alligator clip jumper wires to momentarily jump from the Yellow wire on the transformer to the White&Yellow wire on the Out Hole Kicker solenoid.
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Source: http://pinside.com/pinball/forum/topic/night-rider-not-kicking-ball-out-to-plunger#post-4325741