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12V conversion question



 
 
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  #1  
Old February 8th 05, 03:43 PM
N8N
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Default 12V conversion question

Hi all,

I just traded my '64 Stude convertible project for a really nice '55
Commander Starlight. The one sort-of bad thing about this car is that
the drivetrain has been swapped for one from a '63 model Stude so I'm
pretty much committed to running 12V unless I want to track down a 6V
torque converter and starter. The really bad news is that it would
appear that the PO's idea of a 12V conversion was to (badly) install a
one-wire GM alternator (I'm surprised it hasn't thrown the belt yet)
and change some of the bulbs. I know how to handle most of the issues,
but I would really like to have working temperature and fuel gauges,
and the last time I did a 12V conversion, I was still in high school
and I just used a dropping resistor and Zener diode, I'm sure there's a
more efficient and elegant way to accomplish what I'm trying to do.

I found this article:

http://www.rodandcustommagazine.com/...5_0310_rewire/

they recommend these little "Runtz" voltage droppers for the gauges,
has anyone used them? Do they work well? Sure looks easier than
building my own power supply.

any comments appreciated.

thanks,

nate

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  #2  
Old February 9th 05, 02:01 AM
external usenet poster
 
Posts: n/a
Default

On 8 Feb 2005 06:43:11 -0800, "N8N" > wrote:

>Hi all,
>
>I just traded my '64 Stude convertible project for a really nice '55
>Commander Starlight. The one sort-of bad thing about this car is that
>the drivetrain has been swapped for one from a '63 model Stude so I'm
>pretty much committed to running 12V unless I want to track down a 6V
>torque converter and starter. The really bad news is that it would
>appear that the PO's idea of a 12V conversion was to (badly) install a
>one-wire GM alternator (I'm surprised it hasn't thrown the belt yet)
>and change some of the bulbs. I know how to handle most of the issues,
>but I would really like to have working temperature and fuel gauges,
>and the last time I did a 12V conversion, I was still in high school
>and I just used a dropping resistor and Zener diode, I'm sure there's a
>more efficient and elegant way to accomplish what I'm trying to do.
>
>I found this article:
>
>http://www.rodandcustommagazine.com/...5_0310_rewire/
>
>they recommend these little "Runtz" voltage droppers for the gauges,
>has anyone used them? Do they work well? Sure looks easier than
>building my own power supply.
>
>any comments appreciated.
>
>thanks,
>
>nate



I've done it in the past using a solid state voltage regulator like an
ECG 1934 (5 volts 2 amp) or a 935 (adjustable 5 amp) Bolt to the back
of the dash for a heat sink, and you're gold.
 




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