Rev Limiters (was RE: Knock Sensor Q)

[BHonnold@pac-cap.com (Brian Honnold)]

Here's what I did when swapping cis-e into my MkI.

Keep the stock fuel pump relay and wiretap the ground wire from the =
cis-e brain to the correct wire on the fuel pump relay.

This give you a complete circuit with no rev limiter.

Brian H

-----Original Message-----
From: scirocco-l-admin@scirocco.org
[mailto:scirocco-l-admin@scirocco.org]On Behalf Of Ken Bates
Sent: Thursday, May 23, 2002 10:25 AM
To: Jonas K.; Cory Langford; scirocco list
Subject: Re: Rev Limiters (was RE: Knock Sensor Q)


This is exactly MY problem and why I started this thread the other day.  =
I
am not getting a ground on the switching side of my fuel pump realy and
suspect my Knock Box is not "completing" this circuit.
I am about to do just exactly what Jonas is saying and jumpering a =
seperate
ground to the FPR.
I ma followingthis closely.  I appreciate all the input.
Ken
'79 Scirocco 16v project "McFly"
'86 16v (parts car)
VORTEX:  "Indiana Red"

----- Original Message -----
From: "Jonas K." <jkarlsso@metabolex.com>
To: "Cory Langford" <cory.langford@icbc.com>; "scirocco list"
<scirocco-l@scirocco.org>
Sent: Thursday, May 23, 2002 11:59 AM
Subject: Re: Rev Limiters (was RE: Knock Sensor Q)


> On 5/23/02 10:36 AM, "Cory Langford" <cory.langford@icbc.com> wrote:
>
> > If the Knock Box tells the Relay when to shut down the fuel pump, I
> > would suspect that would be done via a voltage/no voltage situation =
to a
> > specific pin from the box to the relay.
> >
> > So if that wire was cut (the connection between the relay and the =
knock
> > box) would not the rev. limiter be removed?
>
> From my stydy of the system a couple of years back, (i.e. hazy memory) =
the
> Knock box actually provides the ground that keeps the relay going. =
When
the
> rev limit is exceeded the ground is removed and fuel pump shuts off.
>
> Cutting the wire would render the FPR permanently off. The worst kind =
of
rev
> limiter there is. :-)
>
> You might be able to short the wire to ground permanently, for a crude
> "fix", or with some creativity one could probably retrofit an earlier =
FPR
> without too much difficulty. The rev limiter should be de-activated.
>
> Let me know if it works.
>
> Jonas
>
>
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