Date: Thu, 15 Nov 2007 19:21:53 -0800
Reply-To: Jake de Villiers <crescentbeachguitar@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Jake de Villiers <crescentbeachguitar@GMAIL.COM>
Subject: Re: Fuel pump relay cutout switch
In-Reply-To: <010601c827fe$a1c6b5b0$6501a8c0@TOSHIBALAP>
Content-Type: text/plain; charset=ISO-8859-1
Its in the OP's second post, which also IDs the 2.5 in the signature line.
I like signatures with the relevant Van & geographic locator details in
them. :)
On Nov 15, 2007 7:13 PM, Scott Daniel - Shazam <scottdaniel@turbovans.com>
wrote:
> !! you got me there all right. I failed to catch that.
> However, what I wrote applies exactly to both stock vanagon and a subaru
> engine conversion vanagon. The fuel pump logic is precisely the same in
> both
> systems, at least for 90's era subaru engines. Late throttle by wire
> systems
> could be different than that for all I know, or ones using CAN-BUS
> architecture, they could be considerably different, but the common ones
> all
> are identical to the vanagon fuel pump relay logic.
> the part about the Bentley I wrote - yes, there's no Bentley on subaru,
> and their wiring diagrams are 'strange' some , and it would be harder to
> see
> what's what in their diagrams perhaps.
> There is hardly any way he would change the fuel pump relay logic in his
> subaru conversion.
> The ecu still supplies grnd for the relay to energize it etc.
> He could toss that whole system of course, but if he did, it's
> unlikely
> he would be asking questions about how to disable the fuel pump relay.
>
> I just went to the original post, and read it carefully. No where did I
> see
> that it reveals it's a soobie conversion, -perhaps that's in some of the
> other following posts and answers - I didn't' read all of those.
> So does the guy have a plan now ?
>
>
>
> -----Original Message-----
> From: Mark Drillock [mailto:mdrillock@cox.net]
> Sent: Thursday, November 15, 2007 2:28 PM
> To: Scott Daniel - Shazam
> Cc: vanagon@GERRY.VANAGON.COM
> Subject: Re: Fuel pump relay cutout switch
>
> I guess few noticed that he said he has a SUBARU conversion. Without
> specific info about the wiring modifications that were made in HIS
> conversion it may not help to suggest approaches that presume VW ECU and
> VW support wiring.
>
> Mark
>
> Scott Daniel - Shazam wrote:
>
> > Thanks for saying what you are trying to accomplish.
> > Your idea is sound, and you could interrupt any of 3 wires at the fuel
> pump
> > relay,
> > - the 'supplies ground' signal from the ECU.
> > -the power supply wire to the relay,
> > - or the 'hot signal coming out' wire that goes to the fuel pump.
> > I'd access the fp relay in that black box above the coil, figure out
> which
> > is the main relay and which is the fuel pump relay and proceed
> carefully.
> >
> > It really is clearly indicated in the Bentley current flow diagrams, tho
> > they are funny to read at first for sure, but if you find the current
> track
> > for 'fuel pump' .....you should be able to see the pump, and the relay,
> even
> > how it works internally, if you understand the basic principle of a
> relay
> > anyway. . They don't always show things really well, but on these basic
> > circuits, they're ok.
> > Scott
> > www.turbovans.com
> >
> >
> > -----Original Message-----
> > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
> Of
> > David O'Bryan
> > Sent: Wednesday, November 14, 2007 3:01 PM
> > To: vanagon@GERRY.VANAGON.COM
> > Subject: Fuel pump relay cutout switch
> >
> > Help. I'm helpless when it comes to reading a current diagram (but I
> really
> > did try). I want to install a cut out switch on the wiring to the fuel
> pump
> > relay and cannot figure out which wire from the ignition switch area
> will
> do
> > that. I want to run the lower power wire that energizes the relay thru
> a
> > switch as an anti-theft device.
> >
> > Any help is appreciated. :-)
> >
> > Regards,
> >
> > Dave O
> > '87 Westy
> >
>
--
Jake
1984 Vanagon GL
1986 Westy Weekender "Dixie"
www.crescentbeachguitar.com
http://subyjake.googlepages.com/
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