Author Topic: Sat nav upgrade to saab 93 2003-2006  (Read 175 times)

Mrqng78

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Sat nav upgrade to saab 93 2003-2006
« on: 02 June 2019, 10:42:52 AM »
Has anyone done this upgrade, from ICM 1 to ICM 3 sat nav.

aerojon

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Re: Sat nav upgrade to saab 93 2003-2006
« Reply #1 on: 02 June 2019, 06:23:21 PM »
the sat nav is more than just the icm3..i know a few owners who have upgraded to the icm 3 to make the dash look better..

Mrqng78

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Re: Sat nav upgrade to saab 93 2003-2006
« Reply #2 on: 03 June 2019, 02:43:51 AM »
Yeah i know it involves more than just having icm3. I have a list of equipment which i already have, dvd player, boot cradle, fibre optics, piggy back fuse to tap power from REC, i don't intend to use the Sat nav position equipment, cos i think the only function it has is to provide GPS signalto EHU, which can be done by connecting and extra GPS ariel to the EHU.
I'm trying to figure out if any extra wiring is required.

sgould

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Re: Sat nav upgrade to saab 93 2003-2006
« Reply #3 on: 03 June 2019, 04:29:15 PM »
The only wiring is to the extra units which need power. The info is transmitted via the optic fibre loop. The aerial will be powered ththrogh the aerial feed. It’s called “phantom power”.
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aerojon

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Re: Sat nav upgrade to saab 93 2003-2006
« Reply #4 on: 03 June 2019, 06:25:11 PM »
there is no connection on the ehu for a gps aerial,as the gps information is provided to the icm3 via the telematics box via the optical feed..why do you need to tap power from the rec..

Mrqng78

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Re: Sat nav upgrade to saab 93 2003-2006
« Reply #5 on: 03 June 2019, 10:44:12 PM »
The only wiring is to the extra units which need power. The info is transmitted via the optic fibre loop. The aerial will be powered ththrogh the aerial feed. It’s called “phantom power”.

Exactly my thinking sgould, that information and sound is passed through fibre optic cables. Fire on i will.

Thanks

Mrqng78

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Re: Sat nav upgrade to saab 93 2003-2006
« Reply #6 on: 03 June 2019, 11:01:36 PM »
there is no connection on the ehu for a gps aerial,as the gps information is provided to the icm3 via the telematics box via the optical feed..why do you need to tap power from the rec..

Thanks aerojon, my saab did not come with a telematic equipment, neither did it come with amp1 and amp2 therefore it doesn't have the electrical connector /plug needed to power the units in the boot, i have sourced an electrical connector for my amp2, but i don't have to run cables all the way from front to back, hence why i want to tap from the REC.

On the issue of GPS was thinking of replacing the aerial with a GPS attena instead.

Saab should have made the icm 3 with a GPS, since my model didn't come with telematic.

Regards
Reginald.

sgould

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Re: Sat nav upgrade to saab 93 2003-2006
« Reply #7 on: 07 June 2019, 05:09:38 PM »
ICM3 is just the display screen and control panel. There is no satnav function or satnav electronics in the ICM3, so no point in having a GPS aerial connection. The map DVD and the rest of the important stuff is in the boot.  The GPS aerial on the roof connects to those.  That's what it needs to feed.
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