Date: Mon, 6 Aug 2007 12:08:05 -0400
Reply-To: Jim Akiba <syncrolist@BOSTIG.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Jim Akiba <syncrolist@BOSTIG.COM>
Subject: Re: Fuel pump issues.
In-Reply-To: <d1ea9acf0708060725x4567a433y3d8d8beb51231bd7@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1
If it's .01 ohms from pump ground to batt ground, it doesn't look like the
ground. jump a power wire to the positive, leave the negative and see if she
runs.
Jim Akiba
On 8/6/07, craig cowan <phishman068@gmail.com> wrote:
>
> I checked the resistance between the negative (ground) therminal on the
> fuel
> pump and the negative terminal on the battery and got 0.01ohms of
> resistance.
>
> I also tried replacing both relays (temporarily) and that did not fix the
> problem. BUT i was able to get the car to start and run perfectly, and
> start
> over and over for a few minutes, then it returned to its state of death.
>
> I have not yet run a new ground wire to the engine (from the fuel pump)
> but
> its looking dismal as that being the problem.
>
> -Craig
> '85GL
>
>
> On 8/6/07, Jeff Lincoln <magikvw@gmail.com> wrote:
> >
> > Craig -
> >
> > I can't speak as an authority but I wired my pump backwards once as well
> -
> > it did not hurt the pump. As a matter of fact that pump is still running
> > strong. YMMV
> >
> >
> > On 8/4/07, craig cowan <phishman068@gmail.com> wrote:
> > >
> > > Ok. SO i'm checking out the fuel pump, as it seems to account for the
> > > car
> > > not starting. I had a mechanic help me check the relays by jumping
> them
> > > and
> > > he says they seem to be working right and that it just seemed to be a
> > > bad
> > > pump. SO, i put in my spare pump (i think its brand new). Well it
> seems
> > > i
> > > wired it backwards because no one ever taught me that on European
> cars,
> > > BLACK does NOT mean NEGATIVE and they tell me the ground wire should
> be
> > > on
> > > negative and the black wire on positive. So, i switched it, and the
> car
> > > still doesnt start. Maybe i damaged the pump? Can these get destroyed
> by
> > >
> > > running backwards? If so, i just killed two fuel pumps.
> > >
> > > I rigged up a voltmeter to the fuel pump that could be watched from
> the
> > > drivers seat while turning the key. With the key in the first position
> > > (auxillary) i get only 0.3 Volts to the fuel pump and it does NOT kick
> > > over.
> > > When i'm turning the engine over, it gets 9.5 Volts. It seems that
> this
> > > is
> > > drastically wrong. Any input would be greatly appreciated.
> > >
> > > -Craig
> > > '85GL
> > >
> >
> >
> >
> > --
> > Thanks,
> >
> > Jeff
> > 90' Carat (Grover)
> > 86' (We call this one Parts)
> > 85' GL (Preparing for reanimation)
>
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