Keith,
According to the wiring diagram, none of the early cars is wired to bypass
the ballast resistor while cranking.
Gary
----- Original Message -----
From: <Keith0alan@aol.com>
To: <pscowboy9@yahoo.com>; <datsun-roadsters@autox.team.net>
Sent: Thursday, March 05, 2009 7:39 AM
Subject: Re: [Roadsters] Coil/Ballist resistor
> The resistor should not glow while you are starting the car. The way it's
> wired the resistor should be bypassed while the car is being cranked. The
> resistor is between the battery and coil while the engine is running to
> lower the
> primary current. When you are starting the battery voltage drops so they
> bypass the resister to get the proper voltage to the coil for a good hot
> spark.
> My 66 does not have this bypass function. When the battery got weak it
> would
> get hard to start. Sometimes it would turn over but not fire. As you
> released
> the key it will light off. What is happening is the voltage is too low to
> make good sparks while the starter is running. As soon as the starter
> turns off
> the engine is still turning over and the battery voltage jumps back up
> creating a good spark. What I did was add a relay to bypass the resistor
> when
> starting. It helped a lot.
>
> If your resistor is ever glowing there is a wiring problem.
>
> keith
>
>
> In a message dated 3/4/2009 6:58:31 P.M. Pacific Standard Time,
> pscowboy9@yahoo.com writes:
>
> I posted about a week ago regarding my 66 1600 not getting a spark. I
> think
> I
> traced that to the wire that goes from the coil to the side of the
> distributor. I still can't get my car to stay running, but noticed
> something
> when it started getting dark tonight that concerned me. I had recently
> replaced the coil/ballist resistor trying to fix the no spark problem.
> is
> the
> resistor suppose to glow orange while trying to start the car? the
> original
> one was completely sealed so I have no idea if its working right or if
> its
> putting my car at risk of a electrical fire.
>
> thanks for your help
>
> Steve
> 66 - 1600
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