The coil resistance is important. Can you post or email me the part # you
are using? Also, a bad condenser can do all kinds of odd things. Reversed
polarity is generally not a good thing. What kind of condition are the cap
rotor and wires in? This can be a big factor in the amount of secondary
voltage needed to fire the plug. If the voltage requirement gets too high,
the spark will find an easier path to ground, sometimes right down the side
of the coil. My phone is 908-591-9892, evenings if I can be of any help
Dave Brisco
East Coast Roadster
-----Original Message-----
From: Gary and Cindy Ault [mailto:aultgc@att.net]
Sent: Monday, August 16, 2010 10:27 PM
To: shas1983@netzero.net; datsun-roadsters@autox.team.net
Subject: Re: [Roadsters] Ignition voltage or polarity issues
It is the negative terminal on the coil which goes to the terminal on the
distributor. But, that "negative" terminal on the coil should show +12V
relative to ground.
Gary
----- Original Message -----
From: <shas1983@netzero.net>
To: <datsun-roadsters@autox.team.net>
Sent: Monday, August 16, 2010 12:30 PM
Subject: [Roadsters] Ignition voltage or polarity issues
> Anyone had experiance with voltage/polarity problems at the distributor? I
> know the negative lead from the coil is supposed to go to the distributor,
> but
> for whatever reason the car seems to run better with the polarity reversed
> at
> the coil. Is there another point where the wiring could be reversed
> causing
> this or possibly a component failure? The ignition seems to break down
> under
> load either way. I am running a new MSD coil, so I do not believe this is
> the
> problem. I am suspicious there is another problem that has not been
> addressed.
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