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

[sosmi@xxxxxxxxxxx]

From what you described, you have a standard Chrysler Electronic. If thats the case, since the coil has voltage(positive) on it at all times, with key on, then to make a spark, you must have a ground for the coil.It would seem the ground is coming from the ECM, you can try un- plugging the pick-up from the dist. and see if it still sparks.But in any case, the components are dirt cheap to replace. It wouldn't hurt to check the engine harness, and make sure its ok Dave.

 

> -------------- Original message -------------- 
> From: Kenyon Wills <imperialist1960@xxxxxxxxx> 
>
> > 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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