Re: IML: arc-ing coil - rough running 440

[<wilkerbeast01@xxxxxxxxxxx>]

I would bet the coil is shorted out to the case. Replace it.

---- Frederick Joslin <fljoslin@xxxxxxxx> wrote: 

=============
There are some tests that you can do on a coil for resistance across the
different windings. I do not know what the specs are, but you should be
able to do this with the coil in the car.  Also, the coil should be
getting about 6 volts (or at least much less that full voltage ) with the
key in the ignition position.This would be worth testing. Good luck.

  ----- Original Message -----
  From: "Kenyon Wills"
  To: IML
  Subject: IML: arc-ing coil - rough running 440
  Date: Thu, 1 Mar 2007 13:08:59 -0800 (PST)


  Car ran fine and has what I thought to be a newer
  coil.

  Picked the car up from the tire place and it's engine
  is missing significantly, and the battery was dead at
  pickup time. Newer battery, so that's not a suspected
  part of the dead charge problem.

  With engine off, but key to "run" position, the coil
  is making a snapping, buzzing sound internally.

  Closer inspection shows that coil is discharging volts
  and zaps of electricity, especially if you touch it(!)

  Going gack in with a screwdriver instead of a finger
  shows arcs like crazy with the engine still.

  Wires to coil are clean and not appear to be touching
  ground far as I can tell.

  Coil and plug wire set are new.




  Bad coil?

  Bad ignition module or magnet on the distributor?

  Engine is rebuilt and everything is pretty fresh
  besides the electronic ignition module - stock unit on
  the '72.

  Coils are supposed to be pretty durable. Could be
  this one's a goner, but before I take it out, any
  other ideas?

  -Kenyon



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Fred Joslin



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