Mysterious black box id...

[Marc Piccioni]

Depending on the year it might be a kludge that GM used to keep the fuel
pump running after the engine is shutdown........
-----Original Message-----
From: Shannen Durphey <Shannen at grolen.com>
To: gmecm at diy-efi.org <gmecm at diy-efi.org>
Date: Wednesday, February 14, 2001 09:41 PM
Subject: Mysterious black box id...


>At one point someone had mentioned finding a "black box" mounted to the top
of a
>van ecm.  I've done some checking in the books I have, and I haven't been
able to
>locate that box.
>
>However, using wire colors mentioned; green, green/blk, lt blu, lt blu/blk,
leads
>me to think it might be a SMCC, stepper motor cruise control unit.  Might
want to
>hold onto that box, it would make a good auxiliary throttle control.
>
>Shannen
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