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PostPosted: Wed Aug 14, 2019 11:08 am 
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Light Pressure Turbo

Joined: Sun Oct 28, 2012 11:15 am
Posts: 420
Location: west yorkshire
Car Model: 9-3 vert & cavalier b204
Hi all, im looking to change the useless satnav (just a screen, doesnt have the cd above it) from my aero. Im not bothered about the satnav but i want to be able to connect my phone for music and phone calls.

I have a fascia and a bluetooth stereo and a spare iso which i have modified the speaker wires to rca.

Now this is where i need help, behind the stereo display is one smallish plug which powers the display and talks to the amp. There is something in the boot, right near to the back seats where all the wires go to including an iso plug, (i assumed this was the amp but keep reading that the amp is where an ecu on the 9-3 is?) There is a cd changer in the boot and also the sat nav disc unit.
The new stereo powers up when plugged in at the boot

This is as far as i got, is it even possible to fit an aftermarket stereo? If not we may have to look for another car :(

Thanks in advance for any help!


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PostPosted: Wed Aug 14, 2019 12:44 pm 
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UKS Encyclopædia G-M
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Joined: Sun Aug 15, 2004 9:39 am
Posts: 40714
Location: SW Herts
Car Model: 9-5 Aero est. 9-3 Carlsson
The amplifier is behind the trim by the driver's right knee, in front of the door. It's the same as the amp in other 9-5's.

The 2004 satnav is Kenwood system. The bits in the boot are for the satnav. The control unit and the DVD map player.

In cars without the satnav, the head unit is connected to the amp. In your car the wires from the head unit go to a small box behind the glovebox and then to the boot. Then the boot stuff connects to the amp in the front by the driver's knee. If you install a new head unit, you need to find the wires between the amp and the boot and connect to those.

I'v enever worked on the 2004 kenwood system, so I have no further help. "sandwer" on here knows how it all works and has done a Kenwood upgrade of the stuff in the boot. From memory, yours unit is a Kenwood 2200 and the upgrade is to a 3200, but I'm not 100% sure.

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PostPosted: Wed Aug 14, 2019 1:34 pm 
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Light Pressure Turbo

Joined: Sun Oct 28, 2012 11:15 am
Posts: 420
Location: west yorkshire
Car Model: 9-3 vert & cavalier b204
Well thats more than i knew so far. Do i leave all the kenwood stuff in and just splice my radio into the wiring?
Thanks


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PostPosted: Wed Aug 14, 2019 3:53 pm 
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UKS Encyclopædia G-M
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Joined: Sun Aug 15, 2004 9:39 am
Posts: 40714
Location: SW Herts
Car Model: 9-5 Aero est. 9-3 Carlsson
Once you remove the Kenwood head unit and fit you own, nothing in the boot will work. If your new unit has satnav, you will have to extend the GPS aerial lead. It currently runs from the sharkfin to the Kenwood boot kit.

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PostPosted: Wed Aug 14, 2019 6:06 pm 
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Light Pressure Turbo

Joined: Sun Oct 28, 2012 11:15 am
Posts: 420
Location: west yorkshire
Car Model: 9-3 vert & cavalier b204
I was reading on saabscene that i could fit my head unit and splice it into the loom to keep the existing amp, hence the speaker wires on iso in rca. Im not sure thats the case though as on saabscene it said there would be an iso plug behind the head unit and on mine its in the boot


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PostPosted: Fri Aug 16, 2019 7:51 pm 
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Light Pressure Turbo

Joined: Sun Oct 28, 2012 11:15 am
Posts: 420
Location: west yorkshire
Car Model: 9-3 vert & cavalier b204
Im gathering from the replys iv had elsewhere this isnt possible unless i rewire the stereo system?


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PostPosted: Sun Aug 18, 2019 10:53 am 
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UKS Addict

Joined: Thu Sep 01, 2005 5:31 am
Posts: 4828
Location: Bucks
Car Model: Saab NG 9-5 Aero
belmont_dazz wrote:
I'm gathering from the replies I've had elsewhere this isn't possible unless I rewire the stereo system?

Your existing SatNav installation is the problem because it installs a lot of bits in the boot. but all the wiring goes to the amplifier which is in the same place which ever system is installed. The simple answer might be to rescue the appropriate wiring from a non-SatNav car in a scrap yard. However, it is rather dependent upon your level of expertise with electrical systems.

As with all electrical work in cars, locating the cable runs and repositioning them where you need them is actually harder than re-terminating the individual wires.

I may however be misleading you somewhat because I am a trained avionics specialist and I find this sort of thing interesting but straightforward, you may view it differently.


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PostPosted: Mon Aug 19, 2019 12:18 pm 
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Light Pressure Turbo

Joined: Sun Oct 28, 2012 11:15 am
Posts: 420
Location: west yorkshire
Car Model: 9-3 vert & cavalier b204
Thanks Geoff, the experience isnt an issue. Being bothered to do it vs exchanging for a different car is the issue. It is a good car but the bodywork isnt the best to warrant a chunk of labour spent on it just for bluetooth connectivity.


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PostPosted: Tue Aug 20, 2019 1:24 pm 
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Joined: Thu Sep 01, 2005 5:31 am
Posts: 4828
Location: Bucks
Car Model: Saab NG 9-5 Aero
belmont_dazz wrote:
Thanks Geoff, the experience isn't an issue. Being bothered to do it vs exchanging for a different car is the issue. It is a good car but the bodywork isn't the best to warrant a chunk of labour spent on it just for Bluetooth connectivity.

I see your dilemma, just replacing the car with a non-SatNav version would enable a near plug and play radio upgrade.(Not a DE though)


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PostPosted: Tue Sep 10, 2019 9:13 pm 
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Joined: Fri Mar 02, 2007 10:19 am
Posts: 11
I managed to find a kenwood bt-200 Bluetooth module that plugs into the brain unit in the boot and fools the stereo into thinking that a paired phone is a cd-changer... the touchscreen is effectively useless (so you have use the phone/Siri to control things) but it works for voice calls and music.
I use mine pretty much every time I get in the car.


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