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Wednesday 9 May 2018 at 18:05
Quoted from ForceFlow:Is the game properly grounded and does it have a ground pin on the power plug?
If not, replace the cord.
Nope, someone ripped the ground pin out of the cord. Guess that needs to be next on the list to replace.
I did some reading this morning on the power supply and noted that t...
Source: http://pinside.com/pinball/forum/topic/gottlieb-system-1-power-supply-potentiometers#post-4388300