Quoted from Zitt:Idk, what's the torroid next to the relay?
If it's the same part (red-wired donut held to board with hot glue) that's on my DE Simpsons, it's an "inductor", whatever that is:
https://pinside.com/pinball/forum/topic/fs-data-east-simpsons-300-seaford-long-island-ny#post-1728911