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Code 21a

Started by Muskie1, July 02, 2022, 12:28:25 PM

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 I live near some historic areas, so last night I decided to take a ride up to Fairlane,  Henry Ford old mansion.  I come out code 21a maybe,  bike would not power up, no glasses , pulled the battery,  ok now. . What is the 21 code if anyone knows.