Possibly OT, ??s about a GM feedback Q-jet

[Programmer]

Hmmm...with electronic spark control ? I know they used 7 and 5 pin modules
throughout
those years....right back to the early 80's.

Lyndon.
----- Original Message -----
From: Bob Valentine <bob at tecmark.com>
To: <gmecm at diy-efi.org>
Sent: Friday, March 09, 2001 3:58 PM
Subject: Re: Possibly OT, ??s about a GM feedback Q-jet


> It uses a 5 pin module, have one here on my desk....
>
> -> Bob Valentine
> -> bob at tecmark.com
>
> At 07:59 AM 3/9/2001 -0700, you wrote:
> >I thought that ESC system used a 7 pin module ? I don't think the PCM (or
> >ESC computer) is doing
> >anything anyways...I believe you jumper "A and D" on the 4 wire from the
> >dissy to bypass the computer.
> >
> >Lyndon.
> >----- Original Message -----
> >From: <Chipsbyal at aol.com>
> >To: <gmecm at diy-efi.org>
> >Sent: Thursday, March 08, 2001 9:08 PM
> >Subject: Re: Possibly OT, ??s about a GM feedback Q-jet
> >
> >
> >> I'll try to help you here, it's been years since I've fiddled with
these.
> >First, you don't have a mixture control solenoid. That solenoid actuates
to
> >enlean the accelerator pump shot when the ecm so desires. It can be
> >disconnected with no problems, except a persistant hesitation may finally
> >clear up. The distributor is part of a ESC system. It can be converted to
> >non-esc by disconnecting the four wire connector and jumping two wires on
> >the dist side of the connector. Now here my memory gets a little foggy.
If
> >you can tell me the colors of the wires and what position they are in the
> >connector, I can tell you which two to connect. There is a green, black,
> >brown and the last one. The truck won't run with the connector
disconnected.
> >I used to get quite a few no starts with this system. The customer always
> >opted for the wire fix over the ecu replacement.
> >> AL
>
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