<VV> Starter Mystery-Continued/Solved?
corvair at fnader.com
Wed Jul 7 09:56:29 EDT 2010
If the Ignitor was trying to run on such a reduced voltage, that's likely
the cause of death. Outside of the abuse cases (where someone left the key
on with the engine off) and racing use, nearly 100% of the known Ignitor I
failures are with modules hooked directly to the coil rather than to a 12V
source as specified by Pertronix.
(Even though the Ignitor II is protected against either of these sorts of
death, it really made a performance difference when I changed from ballasted
voltage to 12V in the Corvair Westy)
Cranking an Ignitor with the primary wire disconnected can also kill an
Ignitor (and possibly a coil as well... killed a coil not that long ago
myself in a BMW doing a compression test without disconnecting the coil
----- Original Message -----
From: "Brian" <bmoneill at juno.com>
To: <fastvair at yahoogroups.com>; <VirtualVairs at corvair.org>
Sent: Wednesday, July 07, 2010 09:19
Subject: <VV> Starter Mystery-Continued/Solved?
> The owner disconnected the coil primary wire and the engine cranked at
> normal speed and stopped cranking when the key was back to the run
> position. The car has a Pertronix and the thought is that the excessive
> heat from the engine as it seized caused the Pertronix to fry and now
> somehow there is voltage getting back to the starter solenoid. A volt
> meter showed 4 ohms when the wire from the stater harness to the primary
> side of the coil was disconnected at both ends and the probes were at the
> wire end and the chassis! The reading when the wire was tested at both
> ends was 1 ohm. Not sure if this means anything. Before replacing the
> pertronix and frying the new one because there is a problem with the
> engine compartment wiring harness; want to be sure all things are
> considered. Any comments?
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