BBC ECM Applications

[Bruce Plecan]

> I wonder if I could impose upon the collective for a wee bit of info?  I
> know many of you guys have cross reference books and magic decoder rings
for
> this kind of stuff.

Some of use have to rough it with a bunch of drawfs

> I'm trying to help out a f.o.a.f. who is convinced that he has a 92  Gen V
> L19 454 & harness & THM400 (not a 4L80E) that was yanked by a wrecker,
that
> came to him sans ECM.
> Was there such a thing as a 92 C/K 3500 dually with L19 & THM400?  I
thought
> that by 92 all big-blocks got the 4L80E, but I may be wrong. If so, what
ECM
> did it use, and can anyone tell me a typical BCC reference for same?
There
> are two computer connectors on the harness that he has, both black, and
one
> has 24 cavities while the other has 32.

Doc, says the 454 can with either,
The 400 would be a C3 (like the connectors, you discribe).
The E series trannies all take a PCM, ie 3 connectors.

> Sort of related to this, can someone verify what ECM the 90 454SS with
> THM400 used (747 confuser ?).  Also, can someone tell me exactly what
BCC's
> are shown for the 90SS.  I'm assuming there will be three???  One for
> federal, one for left coast use, and one for leaded export?

Ya, the 1228747
Only one chip in my book  ARPA
Old book
Bruce

>
>
> Thanks;
> Walt.
>
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