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PostPosted: Thu Oct 12, 2017 11:13 am 
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Joined: Sun May 03, 2015 3:47 pm
Posts: 84
Car Model: 9-3 VECTOR ANNIVERSARY SPORT
Hi all.
I have the above system in my 2007 93 saloon.

During the summer months the system works perfectly.
But once the weather,becomes very cloudy,like winter coming on.
It stops working,freezes up on all functions.

Soon as clear weather comes back its fine again.

Is this a common fault?
Is there such a thing as a signal booster?
Do the ariels deteriate with age?

Any advice please
Pierre.


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PostPosted: Thu Oct 12, 2017 12:48 pm 
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Joined: Sun Aug 15, 2004 9:39 am
Posts: 38518
Location: SW Herts
Car Model: 9-5 Aero est. 9-3 Carlsson
Is it just the satnav that fails? The aerial is in the shark fin on the roof. The rubber coating fails, but the inside usually survives.

The radio aerial is built in to the heated rear screen and has no connection to the GPS aerial

If everything fails, then there may be a fault with the head unit. Our 2010 satnav is beginning to die.

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PostPosted: Thu Oct 12, 2017 1:04 pm 
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Joined: Sun May 03, 2015 3:47 pm
Posts: 84
Car Model: 9-3 VECTOR ANNIVERSARY SPORT
Only the Nav signal plays up,which takes the bluetooth phone connection out also on lock up.
The CD radio all work fine.

Would it be worth replacing the sharkfin? Does the sharkfin have a booster in it?


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PostPosted: Thu Oct 12, 2017 1:16 pm 
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Joined: Sun Aug 15, 2004 9:39 am
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Location: SW Herts
Car Model: 9-5 Aero est. 9-3 Carlsson
Saab GPS sharkfin prices are quite high. It takes a "Fakra" connector. I believe that the GPS bit has "phantom" power through the aerial lead rather than a separate power supply. An aftermarket solution should work. I know that some people hide a GPS aerial under the centre speaker grille.

But check it's the aerial first. It unbolts with one 22mm nut. There are two connectors blue and purple. The second purple one is for the old fashioned car phone kit. Obsolete since bluetooth mobiles.

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PostPosted: Thu Oct 12, 2017 2:22 pm 
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Joined: Sun May 03, 2015 3:47 pm
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Car Model: 9-3 VECTOR ANNIVERSARY SPORT
Cheers for the info
Many thanks


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PostPosted: Thu Oct 12, 2017 3:58 pm 
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Joined: Sun Aug 15, 2004 9:39 am
Posts: 38518
Location: SW Herts
Car Model: 9-5 Aero est. 9-3 Carlsson
Sharkfin connectors...

Attachment:
DSC00650.jpg
DSC00650.jpg [ 76.13 KiB | Viewed 545 times ]

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PostPosted: Fri Dec 22, 2017 11:32 am 
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Joined: Sun Oct 15, 2006 7:02 pm
Posts: 6684
Location: Reading, Saabshire
Car Model: Merc A220d AMG 7sp DCT
Are these a CD / DVD based Nav ?.

Just in my old Laguna II which had a Delphi system i had the same problem in winter / damp times.
Turned out it was the CD player that the map uses. The lens was really dirty.
I had to take the whole unit apart on the kitchen table and inspect the Laser Lens inside the player. They are much like a PC DVD player inside.
The Laser lens was all cloudy looking. So cleaned very gently with a few cotton buds and the foggy film came off. It worked great after that. Maps came up alot faster also.

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PostPosted: Fri Dec 22, 2017 11:58 am 
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Joined: Wed Jan 14, 2009 5:19 pm
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Location: Three leagues from Stonehenge
Car Model: E2 & The Old Tart
I was about to say much the same as Paul - a slight film on the lens which is aggravated in cold weather by condensation. I have even seen biological growth on the inside of car audio. I guess it's a nice warm place for incubating bugs when the laser is running!

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