{FORGED?} Re: Ignition coil exploded

[AMC74Hornet@xxxxxxxxx]

On October 30, 2004 Colin Brodsky wrote:

> Rather surprising noise in the driveway with my '63 Rambler Classic
> today... heard an explosion sound that at first sounded and looked like a
> radiator cap that blew, but once I opened up the hood, I found the ignition
> coil was blazing hot and apparently ruptured.  I have recently been through
> two ignition coils but both were old and I didn't know the history of them.
> The car has not been driven a lot; one lasted for quite some time and then
> the other died after a few days.  A new replacement exploded today - I had
> left the key in the on position without cranking for about 3 hours.
> 
> I'm now wondering if a '63 rambler classic needs a ballast resistor added
> to it  to prevent this?  I thought the wire to the coil was resistance wire
> and it wasn't needed.  The other coil that died quickly also seemed to be
> when I was working on the car and had left the key on quite a bit.  Seems
> like that is overheating the coil.
> 
> Any other possible causes?  The car starts and runs fine other than blowing
> up the coils!
> 
> -Colin
> 
> 
> 
> 
> .

Not for nothing but why did you leave the key in the on position for 3 hours? I was told by an old mechanic (my father) when I was a kid long before electronis ign. that if you left the ign. on it would burn the points. So I never did to this day some 40+ years later.
"Doc"










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