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Re: coil replacement wiring

Subject: Re: coil replacement wiring
From: Larry Hoy <>
Date: Sat, 14 May 2005 07:49:17 -0600
Monte, Paul is right on.  The only way you'll be able to purchase the
"proper" coil from NAPA is to take your ohm reader with you.  BTDT. 
They cannot tell you if the coil is 6V or 12V, or what the ohm reading
will be.  Or at least they could not tell me.

Good luck.

Larry Hoy

On 5/14/05, Paul Hunt <> wrote:
> Hi Monte - to retain the ballast use the original as listed in Moss
> (strictly Moss should list the coil for 1974 1/2 cars as well i.e. all
> rubber bumper cars), the change to the distributor makes little difference.
> NAPA is wrong.  When you get the coil check it measures about 1.5 ohms
> across the primary.  A 12v coil will measure about 3 ohms, or possibly about
> 2.4 ohms if a sport coil.  If one of these is used on a ballasted system it
> will give weak sparking.  In fact check the old coil as well, and with the
> ignition on and the points closed check the voltage on the coil +ve is about
> 6v.
> Paul.

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