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So your machine is a stern and the video is a Williams. Also what game are we talking about? Pin tech did change from a NC EOS which breaks the circuit on the pull in coil to a NO EOS which modulates the voltage to the coil to prevent it from burning out.
Typically flipper coils that only use 2 lugs are Normally Open so the mpu knows when to start the modulation. You'll want to verify this by supplying the machine name so other owners can chime in.
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Lodi, CA