Author Topic: Williams system 3 voltage conversion  (Read 716 times)

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Offline Pinballer

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Re: Williams system voltage conversion
« on: March 28, 2012, 10:19:03 PM »
Check this link out, the first page shows the power wiring and the jumpers for various supply voltages....

http://mirror2.ipdb.org/files/558/Williams_1978_Contact_Other_Wiring_Diagrams.pdf