Quoted from Dart1970:Definitely get a special solenoid saver and fuse the bridge rectifiers.
https://nvram.weebly.com/wms-sss.html
Quoted from Thoughtfulsardin:Haven't encountered this in the reading that I have done on Sorcerer! You're sure this applies to Sys 9 (says 3-7)?
barakandl can answer that. He's the guy that makes & sells them.
The thread Dart1970 linked to says it will work in this post: https://pinside.com/pinball/forum/topic/special-solenoid-saver-board-for-wms-3-7#post-3470670