Here is a picture of my LW3. You will see that the white/yellow wire passes through the IDC connector. That is why you have that extra w/y wire. I don't think mine is wired exactly like the schematic shows but the w/y wire that passes through comes from CN8 on the PS and then on out to the GI Playfield
New! Dark mode!
Browsing Pinside at night? Getting tired of all the white? Switch to dark mode using the button in the top right (or CTRL-B)!