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Date:         Wed, 25 Apr 2012 08:07:11 -0700
Reply-To:     jesse and monica johnson <fowvaydriver@YAHOO.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         jesse and monica johnson <fowvaydriver@YAHOO.COM>
Subject:      Re: more information on engine swap/fuel pump woes
Comments: To: dbeierl@attglobal.net
In-Reply-To:  <4f981279.83d6e00a.5158.1d49@mx.google.com>
Content-Type: text/plain; charset=iso-8859-1


got it... so if the ecu is not grounding the fuel pump correctly i would not get any fuel pump if i bridge the power relay. so if all grounds are good on ecu which they are this would indicate a bad ecu then?sorry for the confusion.jess


--- On Wed, 4/25/12, David Beierl <dbeierl@attglobal.net> wrote:


From: David Beierl <dbeierl@attglobal.net>
Subject: Re: more information on engine swap/fuel pump woes
To: "jesse and monica johnson" <fowvaydriver@YAHOO.COM>
Cc: vanagon@GERRY.VANAGON.COM
Date: Wednesday, April 25, 2012, 11:04 AM


At 08:55 AM 4/25/2012, jesse and monica johnson wrote:
> Should this not kick the fuel pump on regardless of the ecu being good or bad? Or am i mistaken in this assumption?


Jesse, as Scott (?) and I have said, the ECU drives the fuel pump relay.  It does not come direct from the ECU power relay.


This has to be so that the ECU can shut down the fuel pump in the event of an accident.


Yours,
David
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