canister purge on 747

[Bob Valentine]

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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