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  #1  
Old 07-29-2005, 08:10 PM
L76 L76 is offline
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Default Replace factory stereo in XC90

Hi Guys,

I'm thinking of buying a new XC90 V8. I want to put an aftermarket DVD/CD/Surround/Nav system into the XC90. Anyone done this yet? Can you keep the head unit and just replace the amp and speakers... or will the head unit have to go too? Just not interested in paying for the premium sound system (sounded bad to me on showroom floor) PLUS another $2k for the DVD... sure I can get something better at a fraction of the price... Any advice?

thx,
L76
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  #2  
Old 07-29-2005, 09:38 PM
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Default RE: Replace factory stereo in XC90

The XC90's are touchy with the stereo system due to the fiberoptics.
The nav/DVD can be added but the other is a pain in the butt.
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  #3  
Old 07-30-2005, 02:42 AM
L76 L76 is offline
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Default RE: Replace factory stereo in XC90

Thanks for the feedback.... but what fiberoptics? If we order a vehicle with just the premium stereo (not dvd or nav) what does it use fiberoptics for? If I ripped out the whole head deck, ripped out the amp, and replaced the speakers... how could this effect the rest of the car? (Or how would the fiberoptics in the rest of the car effect the new stereo?) I though that all I would need is a hot lead and ground from the battery and an ability to connect the anntena hot lead to the amp (standard output for car amps). Is there something I am miussing here? (I'd run custom speaker wires throughout the vehicle) thoughts? Am I proceeding down a slippery slope?

-L76
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Old 07-30-2005, 09:32 AM
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Default RE: Replace factory stereo in XC90

The fiberoptics control the antenna and the network from the radio to the vehicle.I don't think they have come up with an adapter yet to hook the antenna up to an aftermarket radio.Half of the radio system in the XC90 uses fiberoptics.
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  #5  
Old 07-30-2005, 12:59 PM
L76 L76 is offline
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Default RE: Replace factory stereo in XC90

Thanks Tech.

So what do I risk if I do this project... damn the topedos? If I remove the entire Volvo stereo system and install my own what dependancies does the cars fiberoptic/electrical system have on the stereo being present? So far I *believe* you are telling me that the following connections are fiberoptic:

1. Amp to antenna
2. Head unit to amp
3. Amp to speakers (?)
4. Rear seat control units for headphones/etc. <--> Amp

Anything else? What is the network to which you refer? The vehicle computer backbone/OBDII? Do I risk eliminating the front/rear park sensors? What's wired into this thing? Where is the antenna in the XC90?

thx,
L76
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  #6  
Old 07-30-2005, 01:19 PM
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Default RE: Replace factory stereo in XC90

The fiber optics control most of the radio functions.Yes you will loose the reverse sensors if you remove the radio.
The radio is part of the network of the entire vehicle.Every computer in the vehicle talk to each other.I beleive there is like 15 or 20 of them in the XC90.
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Old 07-30-2005, 01:55 PM
L76 L76 is offline
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Default RE: Replace factory stereo in XC90

Will I get an annoying warning light on a dash that says the parking sensors aren't working... or will they just not function? I can live without them. I'm still persistent here.... its just a stereo. ALL A STEREO NEEDS is a hot lead/ground, and antenna, and some connection (preferably analog) to the speakers. I just don't understand why replacing the factory stereo should impact the rest of the vehicle? I understand that there are several interlinked computers... but its scary to think that the engine regulation/ABS reulgation/gyroscope or other computers have ANYTHING to do with the computer managing the stereo!!!!!!

IMHO - consumers should be able to rip the entire stereo system out of any new vehicle and not impact safety or vehicle perofrmance in any fashion. Just trying to figure out what I risk by going forward...

Wonder if there is an adpater for the fiberoptic antenna... or if I should just install my own separate antenna.. WHERE is the antenna on this vahicle?

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Old 07-30-2005, 06:45 PM
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Default RE: Replace factory stereo in XC90

You can check with the dealer and see if there is a program for the radio removal function on the XC90.
I know on the other cars V70,S60,S80 there is a function to remove the radio from the network.I don't know about the XC90.

The antenna is under the black cover in the roof at the back of the vehicle.There is a special way to get to it and then reinstall it.
Im not sure how to do it.I know we had to have a glass company come out to remove the cover and then install a new one due to antenna problems.

I think the back up system just won't work.
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  #9  
Old 07-31-2005, 01:52 PM
L76 L76 is offline
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Default RE: Replace factory stereo in XC90

Thanks again Tech.

Volvo sure doesn't want to make it easy to do this... do they? If I do this job I'll take pix and document the progress. Having reservations about by the car now. I'm a little odd... I take my audio seriously...

-L76
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  #10  
Old 07-31-2005, 04:05 PM
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Default RE: Replace factory stereo in XC90

I know the feeling thats the first thing I do to my cars when I buy them.

I am always short on money but!!!!
Im running 700 watts in my mustang through 10 speakers total including the subs.

I need more power.Atleast 1000 watts for the subs.
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Old 07-31-2005, 04:05 PM
 
 
 
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2006, antenna, custom, cx90, deck, head, pioneer, radio, replace, replacement, separate, stereo, unit, volvo, x90, xc90


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