Date:         Sat, 26 Jan 2013 17:29:49 -0800
Reply-To:     neil n <musomuso@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         neil n <musomuso@GMAIL.COM>
Subject:      Re: Ignition Switch "Su" Power
Comments: To: Scott Daniel - Turbovans <scottdaniel@turbovans.com>
In-Reply-To:  <51046BC4.5050909@turbovans.com>
Content-Type: text/plain; charset=ISO-8859-1

I've recently been studying the Bentley a lot. I see that; unfused 15 circuits.

The A3 Bentley does not show a fuse for the power supply relay and
circuit. I installed a10A fuse at the wire from 87 of the power supply
relay. Maybe the fuse should be installed pre relay on 30? Anyhow....
The HO2S relay and fuel pump circuit share on fuse.

Thanks for the insights to the Subaru world.

There's so much to this swap stuff!

Neil.



On Sat, Jan 26, 2013 at 3:50 PM, Scott Daniel - Turbovans
<scottdaniel@turbovans.com> wrote:

> ok..
> you're powerng the ecu directly from the ign switch.
> and the coil through a relay.
> sure, give it a shot.
>
> tell me this ..
> do you have your main power input to the ecu fused ?
>
> ( as you probaby know, the 15 circuit on a vanagon is not fused at all,
> anywhere..  Most cars are like this on the igntion circuit btw ...or at
> least before cars got crazy complicated. )
>
> In subaru conversions both types of power are fused ...
>
> The reason I mention this is ...
> how much current do you figure your ECU draws ?
> I wouldn't know myself really,
> but I can get an idea from ( same year as you ) ...93 / 94 Subaru wiring
> diagrams and conversion information.
>
> One diagram I have shows the 'main hot' coming out of the Main Relay to
> power the ecu with a 30 amp fuse.
> You have a main relay there ...so that wire probably is the high current
> feed to your ecu.
>
> As your drawing is currently ..
> the 'other' power feed to the ecu is unfused. ..
>
> so that is 3 'powers' ..1 to coil, 1 small one to ecu, and one large one to
> the ecu via the main relay.

--
Neil n

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