| GIrault,
Add the right value resistor and capacitor to a switching 12VDC power 
supply and you will have a "buffered" 6VDC output. 
You could also add a diode for reverse current protection, if that was 
necessary.
- Bob
girault@bellsouth.net wrote:
>Thanks to Tom, John, Gordon, Jones, Dan, and Bob for their responses to my
>electrical question.  You know, I really enjoy the list every day.  When I
>don't have time to work on the car, at least I can talk to somebody about it.
>But my curiousity is aroused over this devilish little voltage regulator.  It
>has a bi-metallic spring with a contact inside.  It's either open or closed.
>How can it regulate the current  to the water temp and gas gauges in a
>constant manner?  It seems like it would have two modes - either open or
>closed.  Wouldn't that make the gauges jump when it activated?
>Thanks, Girault Jones
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