Quote:
Originally Posted by aigel
I bought this 12V neg. ground converted car for a song. Owner thought it had a cooling system / engine problem because after warming up it would stop running. It had sat for a couple years and he moved and couldn't deal with it anymore.
Turns out the car had an ignition coil hooked up wrong - assuming it was still pos. ground. So after a few minutes the coil would overheat and the car would stop running.
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Boy does that sound familiar! When I bought my '47 Dodge (6 volt, positive ground) the owner told me it needed a valve job. It ran like crap.
Same story as yours. The battery was in backwards and the coil had not been switched. I switched the battery terminals, polarized the generator, gave it a good tune-up and a new coil connected properly, and it ran great for years.