[s-cars] Coupe Quattro Stereo Wiring

[Matt twentyV]

Good point, I hadn't thought of that!  I will also
check my wiring for any wear- it has been about 10
years since I initially installed it, and 5 years
since I moved the battery to the trunk (with a fuse on
the amp hot lead BTW). 

Also BTW- battery ground is attached to the frame at
the rear passenger side bumper mount bolt a few inches
from the battery.  Initially I hadn't done a good
enough job grinding off the paint and guess what-
intermittent no start.  Finally figured it out in the
hardware store parking lot- went back inside, bought
some sandpaper, voila no more problems.

Also BTW, I initially had the amp in the little
storage bin at the very rear (space now occupied by
the battery) but I had overheating problems.

Good luck Ben with all this input you should be able
to figure out a clean, durable install.

-Matt
--- Steve Powers <sbpowers at gmail.com> wrote:

> If you want to be really safe, e.g. prevent your
> gear from being
> destroyed, fuse your earth lead too. When your
> starter loses its
> ground or has a bad one, it will look for the best
> one available:
> through your amp. This is commonly done for radio
> (e.g. Ham) installs.
> 
> sp
> 
> On 5/24/07, Ben Swann <benswann at comcast.net> wrote:
> > Definitely a given - right at the battery.
> >
> > -----Original Message-----
> > From: Steve Powers [mailto:sbpowers at gmail.com]
> > Sent: Thursday, May 24, 2007 12:00 PM
> > To: Ben Swann
> > Cc: Matt twentyV; s-car-list at audifans.com
> > Subject: Re: [s-cars] Coupe Quattro Stereo Wiring
> >
> > one word: fuses
> >
> > sp
> >
> > On 5/23/07, Ben Swann <benswann at comcast.net>
> wrote:
> > > I agree with the wiring to the back of the car -
> BTDT, but the routing to
> > the
> > > batter sounds like a dead short waiting to
> happen.
> > >
> > > Ben.
> > >
> > > -----Original Message-----
> > > From: Matt twentyV [mailto:matt_20v at yahoo.com]
> > > Sent: Wednesday, May 23, 2007 3:41 PM
> > > To: s-car-list at audifans.com
> > > Cc: 'Ben Swann'
> > > Subject: Re: [s-cars] Coupe Quattro Stereo
> Wiring
> > >
> > > Ben- the install on my '91cq is very similar.  I
> ran
> > > the power wire down the passenger side, just
> tucked
> > > under the trim along the floor under the door. 
> I
> > > think I routed it under the rear seat by going
> under
> > > the carpet behind the B-pillar.  To reach the
> engine
> > > bay I routed up along the front edge of the door
> > > opening, then cut a small slit in the rubber
> bellows
> > > to the passenger door.  I would have to look to
> > > remember exactly how I got the wire past/ under
> the
> > > door gasket but I vaguely remember it being
> fairly
> > > obvious. I think I picked up that tip on the 20V
> list.
> > >
> > >
> > > I now have the battery in the trunk so the power
> amp
> > > connects directly to the battery and the 00?
> gauge
> > > main power lead now follows the above path.  I
> just
> > > mounted the amp to the floor of the trunk (back
> of a
> > > rear seat is a bit cleaner) and the sub is held
> to the
> > > floor with an "L" bracket I fabricated.
> > >
> > > I can snap a couple pics tonight if you like.
> > >
> > > -Matt
> > > --- Ben Swann <benswann at comcast.net> wrote:
> > >
> > > > I am adding a power AMP to my '90 Coupe
> Quattro and
> > > > the amp will need fair
> > > > size + wire (10 Guage is what I am installing)
> to
> > > > the battery.  Battery will
> > > > ultimately be moved to the trunk for AAN
> engine
> > > > install, but for now would
> > > > like to route to existing battery, but not
> good
> > > > access through the firewall.
> > > > When I install the battery in the trunk I will
> need
> > > > to run a #2 or 0 wire
> > > > somehow, but this will be easier to do when
> the
> > > > engine is out.
> > > >
> > > >
> > > >
> > > > So wondering if any other good places to tap
> into
> > > > with the #10 wire - fuse box
> > > > is easy to get to, but did not see a spare
> > > > connector, but may be there if I
> > > > pull the box out.  I know on some other cars
> there
> > > > is usually one spare large
> > > > spade connector good for 40 AMP.
> > > >
> > > >
> > > >
> > > > Or is there a good place to route through tre
> > > > firewall that I am not seeing,
> > > > and can get too without too much trouble.  Any
> BTDT?
> > > >
> > > >
> > > >
> > > > The AMP will likely go in the trunk with the
> > > > Subwoofer, as there is not good
> > > > room under the seat(would be nice) and even if
> I
> > > > made a cutout, the cooling is
> > > > not good under the seat.  Any hidden areas
> behind
> > > > panels?  Amp is about 9" X
> > > > 12" Kenwood with Front, Rear and Center
> channels.
> > > >
> > > >
> > > >
> > > > TIA
> > > >
> > > >
> > > >
> > > > Ben
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
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> > >
> > >
> > >
> > >
> > >
> >
>
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