Bose System Power Relay Location

[Ingo Rautenberg]

Thanks, Bernie.  I'll keep that in mind.

----- Original Message ----- 
From: "Bernie Benz" <b.benz at charter.net>
To: "Ingo Rautenberg" <ingo at waratap.com>
Cc: "200q20V mailing list" <200q20v at audifans.com>
Sent: Sunday, December 14, 2003 9:26 AM
Subject: Re: Bose System Power Relay Location


> Ingo, I've not been seriously following this thread but while you're in
> there and if you haven't already done so, change the power source to the
> head unit such that the + is not always on.  Here is my post to this
effect
> of many years ago.
>
> > Bernie Benz wrote:
> >
> >> There is but one best source for key controled, switched power to head
> >> units!  Audi has finely wised up on their later cars and tapped the
same
> >> source.  This source will give power on when the key turns the Ign. on,
and
> >> will not turn it off until the key is removed from the Ign. lock
cylinder!
> >> Great feature!
> >>
> >> The source is terminal 86s on the Ign. switch, but this is not the
easiest
> >> point to reach it.  This red lead goes to the Seat Belt Warning Control
> >> Unit, term 85 and to the Interior Lite Delay Control Unit, term 86s.
Both
> >> of these relays are located on the aux. relay panel, above the driver's
foot
> >> well. Pull one of these relays, Pop the socket out the back of the
panel and
> >> it will hang down where you can see to tap the red wire.
> >>
> >> Bernie
>
>
> > From: "Ingo Rautenberg" <IRautenberg at comcast.net>
> >
> > Re: Bose System Power Relay LocationThanks, Dave.
> >
> > Yep, it would appear that the red with yellow (or orange) stripe wire is
the
> > positive power wire that supplies all the Bose amps.  Tomorrow I'll be
> > snipping away (yeah!) and finally doing the install.
> > ----- Original Message -----
> > From: Carol, Dave, and Zach Weiss
> > To: 'Ingo Rautenberg' ; '200q20V list' ; 'V8 List'
> > Sent: Sunday, December 14, 2003 12:11 AM
> > Subject: RE: Bose System Power Relay Location
> >
> >
> > Ingo,
> >
> >
> >
> > Good detective work.  I don't see anything like that in the diagram.
You've
> > got the right idea-when it comes to wiring, the diagram is a good place
to
> > start.
> >
> >
> >
> > Dave
> >
> >
> >
> > -----Original Message-----
> > From: Ingo Rautenberg [mailto:IRautenberg at comcast.net]
> > Sent: Saturday, December 13, 2003 9:50 PM
> > To: 200q20V list; V8 List; Carol, Dave, and Zach Weiss
> > Subject: Re: Bose System Power Relay Location
> >
> >
> >
> > Dave,
> >
> >
> >
> > No need.  Yes, I'd found it in the meantime and found something else
that is
> > interesting (thanks for pointing out where it is in the manual, Dave).
After
> > removing the relay and hooking up the voltmeter, it would still show
11.5+
> > volts (even with battery disconnected).  So I knew there had to be a
capacitor
> > somewhere -- and there is (was):  The free area of the Distribution
adaptors
> > at the bottom of the footwell auxiliary relay housing.  No mention in
ETKA of
> > the part number (not known), but it's a choke (PN# 443 903 547 A) with
> > attached capacitor that is attached to a red three-prong plug and has
three
> > wires going to it:  Red w/orange stripe, red w/ black stripe and brown.
If I
> > plugged in a Bose speaker amp, it would drain the capacitor.  If not,
the
> > capacitor would hold it's charge.  As to whether the capacitor is used
for
> > anything else, I don't know.  If I'm reading the unit correctly, it's
rated at
> > 12 A (max 20 A / 2min).  Wonder if it's also use din the 200...
> >
> >
> >
> > Ingo
> >
> > ----- Original Message -----
> >
> > From: Carol, Dave, and Zach Weiss
> >
> > To: 'Ingo Rautenberg' ; V8 List
> >
> > Sent: Saturday, December 13, 2003 10:01 PM
> >
> > Subject: Re: Bose System Power Relay Location
> >
> >
> >
> > Ingo wrote:
> >
> >>>
> >
> > See Bentley for the 200 on page 91.23  It talks about Speaker Relay,
J225
> >
> > with a drawing that shows (apparently) the general area this Relay
should be
> >
> > (at least for the 200).  Besides the thorough wire wrapping job,
everything
> >
> > is tucked in soo close  I feel I really have to tear apart much of the
sound
> >
> > deadening material, unscrew numerous brackets, etc.
> >
> > This appears to be entirely skipped in the V8 Audi shop manual (at least
the
> >
> > 1990 version).
> >
> > <<
> >
> > Speaker Relay J225 is 19 on Auxiliary Relay Box II, red relay socket.
See
> > manual page 97-60-2.  Aux relays (right footwell) are shown on page
97-40-1.
> > This relay is also listed on Service Pub. 89-1 V-8 Main Wiring Diagram,
page 2
> > of 82 (was in my bound manual).  The relay is on current tracks 753 and
754.
> > I haven't gone down to the garage to verify the manual, though.
> >
> > Dave Weiss
> >
> > V8 5-speed
> >
> >
> > ---
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