Diner
Williams, 1990Hi guys,
Trying to help out a friend who has some issues with his Diner.
(Sytem 11 is not my strong-suit 
)
Amongst the issues the left part of the GI is out (Yellow string) and the popbumpers are out too.
Checked the fuses, they seem to be oke (got them out of the holders and beeped them out)
Seems like GI is going through the interconnectboard
Which connector should i check?
Thanks in advance for any help.
Not sure about dinner, but most of the system 11's have a 24v relay board that runs some GI and other things. Sometimes it's in backbox and sometimes it's under the playfield. Small square board with a relay in the center. I have had those fry and cause gi problems
Report of my findings
Found the 24 relay, working properly.
Reseated the connectors, left was still out.
Examined J6 and J9 more closely, pin 9 at J6 was not connected to the wire, looked like it but wiggling it and the wire came out.
Left GI and popbumpers working correct now.
Again, thanks guys for leading the way 
(PS machine has some other small issues, but will make a new post for those when i am at it, so stay tuned )
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Breda
Bossier City, LA