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Discussion Forum
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12 volt conv. and ammeter

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Lyall

01-06-2003 17:10:58




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I just converted my `50 8n side mount dist. to 12 volt. I purchased a kit and the instructions show a wire from the alt. to the ammeter pos. post (single wire alt.) and the neg. post on the ammeter has a wire to the terminal block and a wire to the starter solenoid. My ammeter had the loop for the wire to pass through for 6 voltand two posts... but I don't think they are posts for electrical connections. I couldn't hook up battery cable without sparks flying (from the batt. and the ammeter) do I need a different ammeter or is ther a different method of wiring. any advice appreciated

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Mountainman

01-06-2003 21:57:38




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 Re: 12 volt conv. and ammeter in reply to Lyall, 01-06-2003 17:10:58  
Lyall,

"a wire from the alt. to the ammeter pos. post (single wire alt.) and the neg. post on the ammeter has a wire to the terminal block"

Just run the wire from the alt to the terminal block - passing it through the ampmeter loop on the way. Reverse the direction through the loop if it reads backwards. Hook the solenoid wire to the terminal block too.

I think Jim has it right but agree that Dell would be the one who can explain it best.

hth

Mountainman...CA

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Lyall

01-11-2003 06:55:40




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 Re: Re: 12 volt conv. and ammeter in reply to Mountainman, 01-06-2003 21:57:38  
would both be connected to the same post on the terminal block



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Mountainman

01-11-2003 11:25:29




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 Re: Re: Re: 12 volt conv. and ammeter in reply to Lyall, 01-11-2003 06:55:40  
Lyall

Yes, the lower post. It serves as a junction for many wires.

The other terminals on the block are only for the resistor in line between the key switch and the coil - each side of the resistor should have only one wire.

hth

N - joy.

Mountainman...CA



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Jack - Illinois

01-06-2003 19:32:44




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 Re: 12 volt conv. and ammeter in reply to Lyall, 01-06-2003 17:10:58  
Do you have your battery connected negative to ground and positive to starter solenoid? If not this may be the sorce of your sparks. You can short out the diodes in your alternator if connected wrong. Then it will spark any way you hook it. If you run the wire through the ampmeter the wrong way - it just reads the wrong way but does not hurt anything. Just reverse the wire to make it read right.

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Jim Cox (SW Missouri)

01-06-2003 18:46:25




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 Re: 12 volt conv. and ammeter in reply to Lyall, 01-06-2003 17:10:58  
We'll wait for Dell's answer to get the complete scheme of things, but from what I have learned: run the wire from the alternator side of the terminal block back to your battery, passing the wire THRU the loop on the back of the ammeter. If you can't accomplish this, aftermarket ammeters with two regular posts are available for under ten bucks alot of places on the net. Cut the wire in two, and crimp a ring terminal on each end. I like the look of the old ammeter better, but am about to upgrade myself. The old ammeter has a small amount of current induced in the loop by the current/magnetic field created from the big wire inside the loop. Some dead guy named faraday, and a bunch of other stuff to deal with. Hope this helps. Best wishes! Jim Cox

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