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Old 07-09-2010, 03:25 PM   #7
Dick Carne
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Join Date: May 2010
Location: Fayetteville, Georgia
Posts: 467
Default Re: Advice to change 6 volt to 12 volt Model A

I have been running 12 volt systems on my two Model A's for the past 5-6 years, and would not go back. I had initially run a 6 volt alternator, because the generator just didn't seem to generate enough current to keep bright lights, and if I set the charge rate up on the generator, I would have to go back in and run it back down if I was going to travel any significant distance the next time out.

But even the 6-volt alternator did not produce enough current to run halogen bulbs and keep bright lights at stop signs and traffic lights at night, hence the decision to go with a 12 volt system. After swapping bulbs, coil, alternator (be sure to use a 30-amp ammeter), everything runs fine. And I only have to barely touch the starter to get it going. There's no dimming of the lights at stops either.

The caveat to replace the bendix drive with a modern drive is also good advice and money well spent.

Good luck whatever you do!
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