Squarebirds, Rocketbirds, and Fifties/Sixties Ford Discussion Forum

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-   1955 To 1957 Little Birds - General Technical Discussion (http://squarebirds.org/vbulletin/forumdisplay.php?f=61)
-   -   1957 ignition coil (http://squarebirds.org/vbulletin/showthread.php?t=18358)

ss396t6 01-29-2015 06:38 PM

1957 ignition coil
I think I read that OEM 12V ignition coils for early Thunderbirds had yellow tops. Will any of the yellow top 12V ignition coils work for a 1957?


simplyconnected 01-29-2015 06:52 PM

Yes. Be advised that some 12volt coils have an internal resistance. The markings are normally stamped on the bottom of the coil.

If your coil has no internal resistance you will need a ballast resistor. Coils that need more resistance usually get hot to the touch, so hot that you cannot hold it.

jopizz 01-29-2015 07:05 PM

The correct coils will say "USE WITH EXTERNAL RESISTOR" on the label.


ss396t6 01-29-2015 08:56 PM

Thanks, you all!

In a previous post I had a radiator issue that ended up only costing me $100. I was fearing I was going to have to replace it or have it recored. It was two leaks on the tank. It was discovered to be a heavy duty four core.

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