(Topic ID: 219820)

Williams Coil Naming for SA and SG coils

By cmack750

5 years ago



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    #4 5 years ago

    The coils are really the same. The differences are the way the sleeve installs (Front or rear) and the flanges (or not) on the sleeves.

    #6 5 years ago

    Coils don't really have "polarity". As long as you have your hot wire and the diode band facing the correct way it doesn't matter. You can even have the coil mounted "backwards" meaning you can turn the coil around so the vibration is lessened on the soldered lug connections.

    I have been down the same way as you. When I restore a game I usually change the coils even though the originals are fine. Same reason I change all the IDC connectors with molex. Just because.

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