I’ve been adding some LEDs to my 1979 Meteor pinball machine from Stern Electronics.
The first step was adding an LED anti-flicker board to the LED Board.
Classic Bally / Stern LED adapters – https://www.siegecraft.us/presta/index.php?id_product=44&controller=product&id_lang=1
I bought a variety of LED bulbs, Matrix strips and post lights from Comet Pinball.
In a few spots,I drilled discrete holes in the playfield to run wires.
How to connect multiple wires without any tricky soldering? I bought these connectors from Amazon: