12 volt generator regulator

Posted by steve on September 23, 2001 at 20:47:17 from (204.246.222.70):

short story--you can get a 12 volt negative ground voltage regulator at Auto Zone for $20. It is made by "Wells" part number is VR605. It fits a 1958 chevy pickup.

long story--I bought a "B" a couple months ago and the generator was not connected. Tractor had a 12 volt battery. Ater a few repairs i put a volt meter on the "A" and "F" terminals of the generator while running and to my amazement it had an unregulated voltage output of 20 volts negative ground. Apparently it had been rewound. I had planned on changing out the 6 volt positive ground system to 12 volt, but wanted to keep a generator to make it look original. I went ahead and connected the "A" terminal to the positive battery terminal, thru an amp meter and started up again. 13 volts, 20 amps constant when connected to battery. I then knew i had a winner, just needed a voltage regulator. I went to Auto Zone and asked them for a generic 12 volt regulator the had 3 terminals "Field, Armature, Battery". I guessed a late 50's chevy from Delco would be the most common. To my amazement they had one in stock and it cost $19.90 , Connected the generator "A and F" terminals to regulator and ran a wire from "B" on the regulator to the ampmeter to battery. Polarized by touching "B to A" and then started tractor. 10 amps at 13.5 volts during the first test. Looks like a reasonable cost regulator if you need one. Also can be polarized to be positive ground if you are putting on a production D17, etc.

I mounted mine insdie the sheetmetal wrap around below the gas tank so it cannot be seen. HId some other electrical goodies in there also.

Follow Ups:

• Re: 12 volt generator regulator Jules Joseph 04:16:24 11/26/05 (0)
• Re: 12 volt generator regulator 556bd 08:08:14 08/09/05 (0)
• Re: 12 volt generator regulator jeff miller 18:19:15 08/08/04 (0)

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