Re: Stereo Upgrades

["Mark Radelow" <rpcprod@hotmail.com>]

The proper way to install stuff onto the Bose system is at my page....
jetta.aosi.net


Mark

ps.  I will be uploading pictures of it shortly.



>Date: Fri, 01 Aug 1997 23:53:29 -0400
>To: jettaglx@igtc.com
>From: David Petke <dpgoofy@ix.netcom.com>
>Subject: Stereo Upgrades
>
>At 03:29 PM 7/30/97 -0700, you wrote:
>
>>I have NEVER had anything that can be described as "wonderful help" 
from
>>Crutchfield.  They have no information on the Bose system that comes
>>standard with the GLX.  They told me that the Clarion changer worked
>>with the Bose head unit, but it is actually the Panasonic deck that is
>>compatible.  When I called for help from them with the Clarion (I
>>couldn't even remove the head unit because it can't be removed with 
the
>>DIN tools) they actually said "sorry, we don't have any information on
>>that."  I am in the process now of trying to get the shipping I paid 
for
>>reimbursed.
>
>I have a 97 GLX with the Bose system.  (Just the head unit, the disc
>changer was *mighty* pricey.)  I figured I would add a changer myself.
>Little did I realize just what I was getting into.  After hearing on 
the
>list about all the difficulties with aftermarket stereos on the Bose
>system, I decided to look into it a little more.  I, too, called
>Crutchfield and as soon as I mentioned the word "Bose" the 
representative
>on the other end just went "Ugh!"   "We have no information on that, 
but we
>might in the future."
>	The next call I made was to the VW service rep. at the dealership 
where I
>bought the car.  I asked if he could fax me a copy of the 
stereo/amplifier
>wiring diagram.  Within an hour, my fax machine was churning it out.  I
>looked over it for about an hour, I can't really see what all the fuss 
is
>about.  (At least with using an aftermarket head with the factory amp 
and
>speakers.)
>	Of the 26 wire block going into the amp, half goes in from the head 
unit,
>and the other half goes out to the speakers.  With a pos. and neg. lead 
for
>each speaker (2) and four speakers (making 8)  The tweeters and woofers 
are
>wired together. (I suspect a small crossover is present on each lead) 
So,
>in effect, a woofer and tweeter are treated as one unit.  
>	There's an 8-in and an 8-out lead (were up to 16 now), a power lead 
(17),
>a direct lead to the head unit (I'm not sure what this one does) (18), 
a
>lead that goes out and loops back into the block. (It doesn't hook into
>anything.) (19, 20)  This leaves 6 dead spots in the block.  I have to 
look
>at it again to confirm this, but if the wiring diagram is correct, an
>aftermarket head should work fine. (emphasis on *should* :-) )
>	This leaves the head unit.  We have the 8 wires for the speakers, 
another
>lead from the amp (I think this might be a lead to tell the amp to turn 
on
>and off in conjunction with the head unit.)  I need to confer with the
>service rep. to find out if this is the case.  The head unit will 
naturally
>have a power lead and finally, another for the antenna. 
>	From the GLX homepage, I've heard that the roof antenna has a power 
lead
>for itself that runs through the core of the coax.  If you use an
>aftermarket stereo, an external power turn on will have to be 
fashioned.  I
>also understand that this information is available from Alpine.
>	So, these are my discoveries.  I don't know why Crutchfield doesn't 
have
>this info. Other than the antenna and the lead from the head to the 
amp, it
>seems pretty straight forward.  The wizards at Crutchfield should have 
come
>up with something by now.
>	Nonetheless, anyone have an more information the speakers (frequency
>response) and amp (RMS and peak power, total harmonic distortion)?  
>
>Dave Petke	DoD # 1615
>Kennett Sq., PA


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