OOPS I made a mistake on the previous voltage regulator fix wiring diagram, it turns out the color codes for the relay sockets are NOT standardized.
The attached document (rev3) has the color codes removed, as far as I can determine the pin number IDs are standard, so I left them on.
So far I have found every Yamaha cart I have tested has the overvoltage problem, I have fixed 4 so far.
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Pennsylvania, for 60+ years, most recently, Allentown, now TV.
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