V8 '165 harness modifications

Shannen Durphey shannen at grolen.com
Sat Feb 12 00:00:38 GMT 2000


SPECTRO COATING CORP. wrote:
> 
> From: Brent Obermiller <ober_b at sssnet.com>
> 
> > I eliminated the pressure switch from my 7747 setup, the relay stays
> > closed as long as there's a tach signal (i.e. engine is running; small
> > safety considerations.) However, the wires through the pressure switch
> > are a heavier gauge wire.
> 
> Oops - now I stepped in it ...
> 
> I guess I have a conceptual error - I was under the impression that the FP
> relay dropped out after 10 seconds or so, but is that only on a no-start
> condition or am I totally baked?

Half baked.  Without ignition reference pulses, the ecm allows the fp
relay to open.  Time delay depends on prom, application.  High GVW
trucks can run fp for considerably longer, enabled by the hot fuel
handling module.
Shannen
>
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