<VV> NO SPARK AT COIL - WEEKEND UPDATE...

Dave Keillor dkeillor at tconcepts.com
Mon Jun 25 18:07:09 EDT 2012


Probably not.  Do you have a generator or alternator?

On Mon, Jun 25, 2012 at 4:48 PM, Rod Murray <rmurray8996 at gmail.com> wrote:

> Thx Dave. Would this issue also be why gen light is on?
>
> Sent from my iPhone
>
> On Jun 25, 2012, at 2:34 PM, Dave Keillor <dkeillor at tconcepts.com> wrote:
>
> > The negative wire on the coil does not go directly to ground but to the
> > points in the distributor.  The points periodically supply the ground as
> > the distributor rotates.  The negative also supplies the tach signal (the
> > negative side of the coil pulses as the points ground and unground the
> > connection).  If your tach wire is grounded somewhere, it will act as a
> > kill switch.
> >
> > Dave Keillor
> >
> > On Mon, Jun 25, 2012 at 11:40 AM, rod murray <rmurray8996 at gmail.com>
> wrote:
> >
> >> the good news...the car is running!!!!!  big props to dave for getting
> me
> >> to this point...however, i'm not out of the woods yet....
> >>
> >> the bad news...
> >> 1)  trouble-shooting has isolated part of the problem at the negative
> wire
> >> to the coil.  for some reason, it is acting as a "kill" wire...ie, the
> car
> >> starts/runs only when this wire is removed from the coil.
> >> 2)  when above wire is removed from coil, engine runs but the "gen"
> light
> >> is on, and the battery does not show any increase in voltage (per dave,
> V
> >> at battery should be up closer to 15V while running to indicate battery
> is
> >> charging).  i swapped out a fresh alternator from the rebuilt van engine
> >> thinking this could be an internal voltage regulator issue, but showed
> no
> >> change.
> >>
> >> at this point, original flamethrower II coil and pertronix e-points are
> >> both re-installed, replacement e-fuel pump is pumping, coil ground wire
> is
> >> disconnected, engine runs, gen light is on, and battery shows 12V
> whether
> >> ignition is on or off...
> >>
> >> next up is to trace the ground wire "kill" and gen light issues...any
> >> suggestions?
> >>
> >> thx all! and especially you dave!
> >>
> >> - rod
> >>


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