Date:         Thu, 15 Nov 2007 14:28:04 -0800
Reply-To:     Mark Drillock <mdrillock@COX.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Mark Drillock <mdrillock@COX.NET>
Subject:      Re: Fuel pump relay cutout switch
Comments: To: Scott Daniel - Shazam <scottdaniel@TURBOVANS.COM>
In-Reply-To:  <000b01c827d4$474e4140$6501a8c0@TOSHIBALAP>
Content-Type: text/plain; charset=us-ascii; format=flowed

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
>