Laurie,
I do believe you are wrong on this one. The ballast resistor is used to cut
down the voltage when the resistor gets heated up. It reduces the voltage so
the points don't burn, hence electronic ignitions don't use resistors.
On start up the resistor is bypassed.
Mike
----- Original Message -----
From: <SPL311RDST@aol.com>
To: <datsun-roadsters@autox.team.net>
Sent: Tuesday, October 31, 2000 2:54 PM
Subject: Re:pts burning up - ballast resis.
> Several replies mention the ballast resistor - this is proabably *NOT* the
> cause of these problems. THe ign sys only need 7.5v to operate, and a full
> 12v only when starting. THis is what the resistor is for - letting full
pwr
> through when cranking.
>
> The most typical symptom of it's failure is the car starts fine, but then
> fails to run as soon as you let off the key.. External symptoms: A lot of
the
> time it will crumble away, or show signs of extreme overheat.(charred
> spots/melted wire.connections)
>
> THe other ideas: consensor, etc sound more like the culprit in this case.
>
> Laurie :-)
> 70 SPL311
> 69 SRL311
> Chandler, AZ
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