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Re: Ballist Resistor
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Posted by Nat 2 on May 20, 2007 at 19:46:52 from (69.204.107.149):
In Reply to: Ballist Resistor posted by CNKS on May 20, 2007 at 18:27:07:
The ballast resistor reduces the voltage from 12V to 6V so you do not burn out the coil, points or condenser. There is no such thing as a true 12V coil. They're all 6V coils, even the ones marked as 12V. "For use WITH an external resistor" = You MUST use the ballast resistor or you will burn up points, condensers, and eventually, the coil itself. "For use WITHOUT an external resistor" = Has a ballast resistor built into the coil, so no separate ballast resistor is necessary. The coil itself is still 6V. A coil that needs a ballast resistor will work on 12V directly for a little while, but it will eventually burn up. Your 460's original coil has gone bad BTW.
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- Nat Bob 20:01:13 05/20/07
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