I didn't explain it well. Let me try again!
If you put a high resistance load across a power
source,you will not affect it as much. That's why
voltmeters have such a tiny affect on the voltage they
are measuring (VERY high resistance).
Sorry. Still can't write it the way I think it.
Steve P.
--- "Bernd D. Ratsch" <bernd@dodgetrucks.org> wrote:
>
> Why put a resistor on the LED...you want almost no
> resistance on the
> circuit.
>
> - Bernd
>
> -----Original Message-----
> From: Steve Preston [mailto:steveophonic@yahoo.com]
> Sent: Saturday, February 02, 2008 9:43 PM
> To: dakota-truck@dakota-truck.net
> Subject: Re: DML: RE: MDS "on" LED...
>
>
> Thank you Bernd!! :)
>
> I should go with a red LED,because it won't need as
> much current,but I like BLUE! If I feed it through a
> 1kohm resistor or higher,it should be a negligible
> draw,not enough to affect anything.
>
> Thanks!
>
> Steve P.
>
> --- "Bernd D. Ratsch" <bernd@dodgetrucks.org> wrote:
>
> >
> > You could tap into the MDS control circuit (C3
> > "Black" connector at PCM -
> > Pin #6: Brown/White Wire - MSD Solenoid #1) but
> I'm
> > not sure how the PCM
> > will react with a slight change in resistance on
> the
> > MDS control side. It's
> > not going to be activated in stop and go, city, or
> > short highway runs
> > though.
> >
> > - Bernd
> >
> > -----Original Message-----
> > From: Steve Preston
> [mailto:steveophonic@yahoo.com]
> > Sent: Saturday, February 02, 2008 8:31 PM
> > To: dakota-truck@dakota-truck.net
> > Subject: DML: MDS "on" LED...
> >
> >
> > Hey DML! Is it possible to find some source of
> > voltage,either 5V or 12V,that is present only when
> > the
> > MDS system is operational on a Hemi? Anybody know
> > where such a source might be easily found? I want
> to
> > tap into that with a resistor and bright blue LED
> to
> > mount on the dash,to let me know for sure when I'm
> > in
> > four cylinder mode.
> >
> > Thanks!
> >
> > Steve P.
> >
> >
> >
> >
>
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>
>
>
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