CrossFire/'7747/700R4/4th Gear confusion!

[Louis Baiani]

Oh I see you're using the 7747 with it...  that's why.  Anyone have info for the
original ecm?

Louis

Louis Baiani wrote:

> Where are you getting this information?
>
> rr wrote:
>
> > Go to location $D007 and flip bit 5. This is the hi gear sw polarity option.
> >
> > BobR.
> >
> > Ken Kelly wrote:
> >
> > > Okay, I hooked my tattle-tale box up and figured out that I wasn't getting a
> > > 4th gear signal from my transmission. At first I suspected the tranny, but
> > > once I found some other schematics, I realized that I just had it pinned
> > > wrong, so I switched it over to where it *should* be (W22) and now I'm
> > > getting a light while in the first three gears. In 4th gear, the light goes
> > > off (telling me that it's a normally closed switch.) This isn't a problem,
> > > but in TunerCat, I've got my TCC set to lockup at 45 and unlock at 40 when
> > > in 3rd gear, and lockup at 50 and unlock at 45 in 4th gear. Apparently
> > > either the PROM I have is backwards, or TunerCat has it backwards, because
> > > in 3rd gear, it won't lockup until 50 (a little too high) yet 4th gear locks
> > > up at 45. So my question is - should I find a different BIN to work with, or
> > > should I put a relay in the pigtail harness that inverts the output from the
> > > transmission? (I really don't want to dig into the transmission to swap to a
> > > normally open switch!)
> > >
> > > "The Third" Ken Kelly
> > >
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