Thank you. I wasn't sure I could find it by pinout
number.
Steve P.
--- "Bernd D. Ratsch" <bernd@dodgetrucks.org> wrote:
>
> I sent you the wiring diagram for the MDS system.
>
> - Bernd
>
> -----Original Message-----
> From: Steve Preston [mailto:steveophonic@yahoo.com]
> Sent: Sunday, February 03, 2008 12:42 PM
> To: dakota-truck@dakota-truck.net
> Subject: Re: DML: MDS "on" LED...
>
>
> Viola!! You are correct,sir..yes! Heh heh heh (think
> Ed McMahon here) :)
> --- Jason Bleazard <dml@bleazard.net> wrote:
>
> >
> > Bernd D. Ratsch wrote:
> > >
> > > Just make darn
> > > sure you don't ground the signal circuit - PCM
> > goes "bye bye".
> >
> > Which is exactly why you want the resistance of an
> > added circuit to be
> > as HIGH as possible.
> >
> > It actually depends on whether you're adding
> things
> > inline to an
> > existing circuit, or creating a new circuit in
> > parallel. Going inline,
> > you want the resistance to be as small as possible
> > so you don't affect
> > the existing circuit. If you're adding a new
> > circuit in parallel, you
> > want the resistance to be as large as possible.
> >
> > It sounds like Steve is thinking of adding a new
> > circuit in parallel for
> > his LED. That would make more sense. If it was
> > inline, then all the
> > current that goes through the existing circuit
> would
> > drive through the
> > LED, which probably isn't what he wants. Who
> knows
> > how much current
> > goes through that line, it might be too much or
> too
> > little to drive the
> > LED. If he tries to change the resistance to keep
> > the LED happy then it
> > won't make the PCM happy.
> >
> > Now, if he adds a parallel circuit for the LED
> it's
> > easier. There's
> > currently no LED circuit there, and an open
> circuit
> > (or one that doesn't
> > exist) is infinite resistance. It therefore pulls
> > zero current. You
> > want to keep it as close to the current situation
> as
> > possible. Keep the
> > resistance as high as possible while still
> > illuminating the LED, which
> > will make sure it draws the bare minimum current
> > that it needs.
> >
> > I wonder if a low-power relay would pull even less
> > current than an LED.
> > Steve, if you're feeling ambitious, that might
> be
> > worth investigating.
> > Hook up the relay input in parallel, then use
> the
> > output to drive the
> > LED circuit and completely avoid connecting the
> LED
> > to the PCM.
> >
> > If you add a new low-resistance circuit, it adds a
> > large current draw.
> > Zero resistance (i.e. a "short") is what lets the
> > magic smoke out of the
> > parts. Remember, V=IR.
> >
> > --
> > Jason Bleazard http://drazaelb.blogspot.com
> > Burlington, Ontario
> > his: '95 Dakota Sport 4x4, 3.9 V6, 5spd, Reg.
> Cab,
> > white
> > hers: '01 Dakota Sport 4x4, 4.7 V8, Auto, Quad
> Cab,
> > black
> >
> >
>
>
>
>
>
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This archive was generated by hypermail 2b29 : Sun Mar 02 2008 - 02:10:09 EST