[Spridgets] "Black Box Failure"

Mark mark at nashvilletn.org
Mon Mar 16 12:15:56 MST 2009


BTDT, I have a friend that was a GM Tech Rep that told me 90% of the modules
returned to GM were found to be good.  As it turns out they were loosing the
ground (sound familiar) through the base of the module.  The dielectric grease
would somehow cause it to become insulated over time and it would stop
working.  When you put the new one in all was good again for a while.  I too
carried a spare but finally learned after about 6 dead modules that I could
just wipe it off and reinstall it with new grease.

I have also had the same issue with a Pertronix one time...  Been using them
for about 10 years and that was my only little problem.

Mark
Nashville
http://www.ArrestMeRed.com


----- Original Message -----
From: Kirk Hargreaves
To: spridgets at autox.team.net
Sent: Monday, March 16, 2009 1:47 PM
Subject: [Spridgets] "Black Box Failure"


I had an '86 Vette.  I know, a dog year for Vettes.  The thing would not
start for me.  This would happen about every month or so.

There is a little electronic component residing in the top of the
distributor, it is a bit "C" shaped.

I figured out that all I had to do was flip it for the last one that went
out and I would be able to go another month or so.  When it would die again,
I would flip the old one back in, and go another month.

New ones would go out just as the older units.  So I just kept the two of
them and kept flipping them.  I guess the cooling down process would allow
the previous one to work again.  Very strange way to live with a car.

Kirk


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