[AMC-List] coils

[Don Johnson <donjohnson@xxxxxxxxxxxx>]

Well I thought I had my problem fixed with my Javelin cutting out. I  had 
> been having trouble with it cutting out in just about any  situation, high 
> speed, low speed, warm, cold, it didn't seem to  matter. It would cut out 
> I would pop it into neutral and it would  fire right up again. I have 
> electronic points, but it has done it  with both the stock and electronic, 
> I have replaced the voltage  regulator, the distributor, cap and rotor, 
> coil wire,  I have checked  for shorts in the wires under the hood but not 
> under the dash. I put  a coil from Napa in and the guy said that coil 
> needs an external  balast. I have not seen and external balast on my car 
> but in the  service manual I have it says there is a balast wire that 
> should not  be cut. When I put the Napa coil in it ran great for about 2 
> weeks,  today it started acting worse then it did before.  Can anyone help 
> me  out with this thing? It is a '70 Javelin with a '73 360 in it. Thanks 
> Keith
>
>
> Any thing you could do to help would be appreciated, thanks Keith


Keith,
Coils with ballasts on a 12 volt system are usually meant to run on 6-8 volts continually.
When you start the car, you get a full 12 volts supplied to a 6-8 volt coil and you get a hot spark.
When the key moves away from the crank position, the 12 volts go to the ballast and the correct voltage is
supplied for normal running.
I'm guessing that you have operated your coil continuously for 2 weeks on 12 volts and it is burning up.
Check the coil, if its bad, go back and make sure the ballast wiring is correct.
Don
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