Removing alternator whine

[amalventano1@comcast.net (Allyn)]

only in the twin

----- Original Message -----
From: "Brian Wagner" <scirocco_88_16v@hotmail.com>
To: "Allyn" <amalventano1@comcast.net>; "Brad Sterling" <bgsterling@earthlink.net>; "Scirocco List"
<scirocco-L@scirocco.org>
Sent: Saturday, April 20, 2002 11:47 PM
Subject: Re: Removing alternator whine


> Allyn,
>
> Would that be a flux capacitor?
>
> LOL
> ----- Original Message -----
> From: "Allyn" <amalventano1@comcast.net>
> To: "Brad Sterling" <bgsterling@earthlink.net>; "Scirocco List"
> <scirocco-L@scirocco.org>
> Sent: Saturday, April 20, 2002 8:29 PM
> Subject: Re: Removing alternator whine
>
>
> > Brad,
> >     Quite honestly, however you ground your components, if they are
> sensitive to a ripple voltage in
> > the power supply, you will get whine. The key is to get rid of the ripple.
> A huge capacitor
> > installed and wired as close to the alternator will probably help.
> > Al
> >
> > ----- Original Message -----
> > From: "Brad Sterling" <bgsterling@earthlink.net>
> > To: "Scirocco List" <scirocco-L@scirocco.org>
> > Sent: Saturday, April 20, 2002 7:16 PM
> > Subject: Removing alternator whine
> >
> >
> > > Hi all,
> > >
> > > This if for the electrical and stereo folk.  Quite some time ago, I put
> a
> > > sub in the spare tire well.  Ever since, I've had alternator whine.
> It's
> > > not too bad during the day (nothing a little volume won't cure), but
> when
> > > the lights or fan are on and the alternator is working harder, it's way
> too
> > > much.  This is my setup in my '86 16v:
> > >
> > > Stock head unit
> > > Rear channels from head unit out to high input in on 4-channel amp
> > > Front channels from head unit out to high input in on 2 channel amp
> > > From 4-channel amp out to left and right rear deck speakers and bridged
> > > channel to sub
> > > From 2-channel amp out to left and right front door speakers
> > > Both amps are connected to a power block and a grounding block
> > > The power to the power block comes from 2ga wire direct to the battery
> > > switched through a 40A relay
> > > The ground to the ground block comes from 2ga wire grounded at the
> battery
> > > Power wires are running down the driver's side
> > > Powered antenna wire is running down the center tunnel
> > > Front speaker inputs and outputs are running down the passenger side
> > >
> > > So far today, I've done the following:
> > > I've pulled out all of the seats and pulled out the center console.
> > > I pulled up the speaker wire that I ran to and from the front speakers
> and
> > > they're draped up over the console to the amp so they aren't crossing
> any
> > > power wires.
> > > I've moved the primary ground wire from the battery to the rear seat
> > > seatbelt mount.
> > > I've used a jumper wire to the authentic VW ground point on the back
> hatch.
> > > I've disconnected the 4-channel (rear speakers and sub) amp.
> > >
> > > None of this has worked.  So, for those in the know, where should I
> ground
> > > the ground box?  Where are potential problem spots that introduce whine?
> > > I'm running out of ideas and patience, so any info would help.
> > >
> > > - Brad
> > > '86.5 Volkswagen Scirocco 16v
> > > '76 International Scout II
> > >
> > >
> > >
> > > _______________________________________________
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> > > Scirocco-l@scirocco.org
> > > http://neubayern.net/mailman/listinfo/scirocco-l
> >
> >
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> >
>
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