Re: Coil Polarity
You can buy a polarity tester from most of the Model A suppliers. Bratton has them. It has two LED's that indicate correct or opposite.
Years ago I bought one and at a club gathering we tested everyone's car and found half had the polarity backwards. Most were running just fine. We did reverse the leads to make them correct. A reversed polarity apparently does not rob that much horsepower.
Tom Endy
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