[Tigers] Pertronix Ignition

[Mark Rense]

Of course if you are running a Pertronix or other electronic ignition then
there is no ballast resistor. If you have one when it gets warm you are
dropping the voltage to the electronics down to a threshold triggering
point which will cause shutoff.

On Tue, Oct 17, 2017 at 12:44 PM Jay Laifman via Tigers <
tigers at autox.team.net> wrote:

> Ditto on looking for the bad crimped connection.  To my knowledge,
> Petronix problem mode is simply total failure and done.  No stumbling,
> rough running, or spotty issues.
>
> On Mon, Oct 16, 2017 at 7:27 PM, Andy Walker via Tigers <
> tigers at autox.team.net> wrote:
>
>> James:
>>
>>
>>
>> I read your post and Ron’s answer regarding the possibility of a problem
>> with the ballast resistor.  I have experienced the same issue that you are
>> having, only mine was with a standard point-type ignition.  The car would
>> run just fine with no hint of a problem; all of a sudden, it would quit
>> just like someone had turned off the key.
>>
>>
>>
>> As it turned out in my situation, however, it wasn’t the resistor that
>> was the problem, but the wiring connecting to the resistor.  The previous
>> owner had done some wiring work and had failed to crimp the connector down
>> on one of the wires coming from the ballast resistor.  The end result was
>> when the wiring and resistor would heat up, the wire would arc off the
>> connector, thereby shutting the ignition down instantaneously.  Once it
>> cooled off, the wire would lay back down into position and it would start
>> back up.  Moral of the story…check all of your connections in the ignition
>> circuit for loose wires or bad connections before getting too far into
>> other things.  It very well could be as easy as that.
>>
>>
>>
>> Keep us posted,
>>
>> Andy Walker
>>
>> Edmond, OK
>>
>>
>>
>> *From:* Tigers [mailto:tigers-bounces at autox.team.net] *On Behalf Of *James
>> Burruss via Tigers
>> *Sent:* Monday, October 16, 2017 2:35 PM
>> *To:* tigers at autox.team.net
>> *Subject:* [Tigers] Pertronix Ignition
>>
>>
>>
>> On a Saturday drive, my Tiger’s engine shut off instantly as if the
>> ignition key had been turned off.  It would not restart.  I suspected that
>> the car’s Pertronix II ignition had died, as they have been known to do.
>> Mine had been reliable for several years, although the car is not driven
>> often any more.  I had the car taken home on a rollback.
>>
>>
>>
>> This morning, I began a series of checks.  I ruled out the ignition
>> switch as a possible culprit because the starter, gauges and fuel pump all
>> worked.  I checked the wiring connections, coil resistance, voltage to the
>> coil, and even fuel in the carburetor; all were fine.  So I connected an
>> induction timing light to confirm that there was no spark – except that
>> there was!  Then I got in the car and started it.  It ran fine.
>>
>>
>>
>> Which brings me to my question for those who have experience with these
>> ignition systems:  Are they known to become intermittent due to heat?
>> Saturday was a warm day, mid-80s, the car had been driven moderately for
>> about 10 miles and its temperature was normal.   Needless to say, I no
>> longer trust this system; but I would appreciate knowledgeable comments
>> and/or recommendations for a replacement ignition for a stock 260.
>>
>>
>>
>> Many thanks!
>>
>>
>>
>> Jim Burruss
>>
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>>
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>>
>>
>>
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