I am on the home stretch of restoringy first pin, a 1984 Eight Ball Deluxe. I've rebuilt or replaced
* All playfield plastics and drop targets (still need to replace the 1-3/16" blue posts
* All rubbers
* thumper bumpers - coils, springs, caps, bodys, rings, skirts
* slingshot kickers - coils, kicker arms, springs
* lower flippers - full rebuilds (I have a dual EOS switch coming any day. Currently have a new single EOS paired with the old upper switch. It works, but will replace with the dual and use the single for the upper flipper)
* new lane guides
* rebuilt and tested all boards. Theyre I'm exceptional condition
* replaced all fuses
* installed a new GROUNDED power cord
* All new game specific drop targets, springs
(Using existing coils - they test and work perfect...at the moment
* full tear down and cabinet restoration (I have a new playfield glass coming, just need a coin door sticker and rail nails then I'm done
* cleaned all wiring harness, connectors, switches, boards, playfield (I'm debating replacing the mylar - I have slight lifting and dirt at the edges and it drives me nuts), initial playfield touch ups
* I have a few lights to repair but parts are on route.
I've had it running with all of these upgrades done. It was beautiful. But after a few hours of play it started resetting for no reason. First it seemed like it was from the flipper, but now it resets immediately after 7 good flashes, then initiates, makes a "Da-da da-da" tone, lights flash, sometimes a coil fires then resets. I've spent the last 9 hours trying to pinpoint things - hands on and researching but I'm stumped. Any advice or a direction would be greatly appreciated.

I'm sure there's more. Being my first pin I'm learning through trial and error and great pinheads online. I've got over 200 hours on ao far but quickly becoming efficient....and HIGHLY ADDICTIVE!
Thank you guys for that.

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Thanks Barakandl, it was the slam tilt on the door. I never put the plastic sticker on after I restored the coin door.
Ya da Man!

I'm absolutely addicted to fixing this thing. Even more then playing. I enjoy watching peoples eyes light up when theyre playing. I want another pin!

Fixed the coin door, now having an issue with my 7 and, 4 bank of DTs. They don't reset or not all reset. They were working fantastic before.
It's not pinball, it's an endless game of whack a mole . But oh so satisfying to work on.

Having flipper issues and believe it's my wiring. It looks right based on others photos, but I'm sure it's there.
Power is getting to MT switches, lower switch fires but sluggish, my upper flipper shutters if I'm lucky.
Can you help me please.

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Thank you. On my to do list