canister purge on 747

[rr]

Yes, I would like to see it, it would help me in figuring it out. The bin
along with the pin they wire the solenoid to would be great.

Thanks,

BobR.

Bob Valentine wrote:

> I have a canister from a '88, 5.0 G20 van, '747 AMUN bin.
>
> Will send bin & wiring connections if you want it.
>
> -> Bob Valentine
> -> bob at tecmark.com
>
> At 04:33 PM 1/12/2001 -0500, you wrote:
> >
> >The '747 hardware supports canister purge. However, the software
> >does not. I do not know if the trucks even ran a canister. If so, maybe
> >get the setup they use.
> >
> >BobR.
> >
> >Mathieu Blais wrote:
> >
> >> ok, well trying to figure out couple of things now.  I was looking the ecm
> >> electric diagram and can't seem to find any CP solenoid hooked up to the
> ecm
> >> at all.  If there's any, then how does the fuel vapor purge is controlled,
> >> by ported vacuum only, would be surprising because most use some solenoid.
> >> A 5.0 v8 under a 747 shouldn't be using a fuel control module if I'm not
> >> mistaking and there shouldn't be two input for the injector drivers?
> >>
> >> and maybe one other thing, my 747 came from a 4.3 v6 engine but will be
> >> going on a 5.0 v8 engine.  So if I understand correctly, I'll need to
> change
> >> the calpack ( I think that's the right term )  to a v8 one and the bin (
> >> that won't be a problem).  Where can I get a calpack from, is it
> possible to
> >> get it at gm ( if anyone as the p/n, would be really appreciated ) or can
> >> that be burned?
> >>
> >> If someone could send me a ecu file that would work for a 5.0 v8 manual
> 747.
> >>
> >> thanks for the help.
> >> Math B
> >>     fireb76 at videotron.ca
> >>
> >>
> ----------------------------------------------------------------------------

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