The Ford Barn - resister

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Jim	10-25-2015 03:52 PM

resister

What ohm resister is needed on 57 272 ignition? Also what voltage is needed at the plus side of the coil. Thanks very much. Jim

dmsfrr

10-25-2015 05:48 PM

Re: resister

I've got 3 new replacement ballast resistors and checked them with a Fluke multi-meter:
1 was 1.5 ohms, 2 were 1.7

I also have an older and well used OEM ballast resistor, it measured 1.9 ohms.
Running voltage (not 'starting' voltage) at the coil + terminal should be 8 to 10 volts.
Starting/cranking voltage will be 12v at the coil.

BUBBAS IGNITION

10-25-2015 07:09 PM

Re: resister

1.5 to 1.9 is ok.........

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