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10-18-2018, 10:53 AM | #1 |
Senior Member
Join Date: Feb 2011
Location: Southern Mass
Posts: 195
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Six or 12Volt Distributor
How To tell if you have a 6volt or 12Volt coil? I have several unmarked coils and would like to know how to identify them. Using a Ohm meter I can determine what the Ohms are, however, what about the 6 or 12 Volts. Thanks,
Bob |
10-18-2018, 02:28 PM | #2 | |
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Join Date: May 2010
Location: SPEEDWAY INDIANA
Posts: 4,148
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Re: Six or 12Volt Distributor
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Quote:
A typical early ford uses a 6 volt positive ground coil with approx .6-.7 ohms primary and a .6-.7 ohm resistor for a total resistance of 1.2-1.5 ohms in the primary circuit... Once a coil has been ran positive ground it wont work very well in a negative ground system based on residual magnetic fields in the center steel core..... Later model 6 volt and 12 volt coils were approx 2.0 ohms and ran with a 6 volt, needed a resistor to run with 12 volts.......... |
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