His info is originally related to the AD series speedometers, but I think it should apply to your '46.
Edit Note: You should definitely take a look at this "Legacy Tech Tip" Speedometer rebuild for GM Art Deco Truck as it goes full deep into the speedometer guts and should help you get things back going right.
Last edited by Gdads51; 07/03/202612:57 AM. Reason: add Edit Note
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