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08-29-2006, 10:11 PM
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Hummer Veteran
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Join Date: Feb 2006
Location: SoCal
Posts: 127
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OEM Navi Bypass
Hi guys...tried to search, but came with zero results:
Do you know if you can "bypass" the system and use the NAVI while moving/driving or do you have to have it in park to input addresses and POI? Thanks, Ron AKA rjmoose
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Last edited by rjmoose : 08-29-2006 at 10:34 PM.
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08-29-2006, 10:20 PM
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Hummer Guru
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Join Date: Jul 2005
Location: Idaho
Posts: 4,744
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Re: OEM NAvi Bypass
Not saying it would be impossible, but I have to think it may be rough. The NAV is on the class 2 serial bus, so the BCM is telling it if the vehicle is in Park or other gears, and the PCM is sending it a speed signal.
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08-29-2006, 10:32 PM
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Hummer Veteran
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Join Date: Feb 2006
Location: SoCal
Posts: 127
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Re: OEM NAvi Bypass
Quote:
Originally Posted by f5fstop
Not saying it would be impossible, but I have to think it may be rough. The NAV is on the class 2 serial bus, so the BCM is telling it if the vehicle is in Park or other gears, and the PCM is sending it a speed signal.
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Do you know if anyone has been able to get around this? I am getting a NAVI system and I would prefer to get the OEM one, but it has to be able to FULLY function while driving....I already had a Navi that locked me out while driving and it drove me so nuts that it probably ended up being more of a distraction than if it was not restricted!!!!
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08-29-2006, 11:57 PM
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Hummer Veteran
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Join Date: Aug 2006
Location: San Antonio, TX
Posts: 27
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Re: OEM Navi Bypass
I have not seen anything. I know it's a pain, the way it's set up, but I also know theres a reason it's done that way.
I've just learned to set it before I go, sometimes even if I don't think I'll need it, then I use the suspend setting, and resume it later if I do end up needing it.
Home and the pre-sets are the only ones on the OEM nav that can be activated while moving.
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08-30-2006, 12:20 AM
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Hummer Authority
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Join Date: Mar 2006
Location: Chicago, IL
Posts: 1,086
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Re: OEM Navi Bypass
why not just go with an aftermarket nav?
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08-30-2006, 12:33 AM
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Hummer Veteran
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Join Date: Feb 2006
Location: SoCal
Posts: 127
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Re: OEM Navi Bypass
Quote:
Originally Posted by marin8703
why not just go with an aftermarket nav?
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I most likely am going to, but I figured if someone had discovered a bypass, I prefer the look of the factory NAV...and someone on this forum would definitely if it has been or can be done....
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08-30-2006, 12:32 AM
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Hummer Guru
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Join Date: Jul 2005
Location: Idaho
Posts: 4,744
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Re: OEM NAvi Bypass
Quote:
Originally Posted by rjmoose
Do you know if anyone has been able to get around this? I am getting a NAVI system and I would prefer to get the OEM one, but it has to be able to FULLY function while driving....I already had a Navi that locked me out while driving and it drove me so nuts that it probably ended up being more of a distraction than if it was not restricted!!!!
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Nope. We can all give thanks to our good ole' USA Legal system.
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09-01-2006, 01:52 PM
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Hummer Veteran
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Join Date: Mar 2006
Location: Peoples Republic of Maryland
Posts: 109
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Re: OEM Navi Bypass
Quote:
Originally Posted by rjmoose
Hi guys...tried to search, but came with zero results:
Do you know if you can "bypass" the system and use the NAVI while moving/driving or do you have to have it in park to input addresses and POI? Thanks, Ron AKA rjmoose
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You've probably already read about this but most aftermarket NAV systems have a wire that goes to the brake. If you ground this wire to the firewall instead it fools the system to allow you to program it on the fly.
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2006 H3 - Luxury - Superior Blue - Sunroof - Chrome Pkg. - Chrome Step Tubes - AVN30D with rear view camera and iPod connection - Volant CAI - MagnaFlow dual exhaust - Throttle Body Spacer - Train Air Horn (to be installed) - More adds to come (New shoes & supercharger!)
1990 Porsche C2 (911) - Highly modified and very, very fast!
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09-01-2006, 06:33 PM
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Re: OEM Navi Bypass
thanks that great, it seems the Pioneer AVIC Z1 probably the best out in the market, does it have tv tuner?
if so, ill probably spend more and get that one.... the Pioneer AVIC Z1
thanks, ill read more about it...
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09-01-2006, 09:38 PM
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Elcova Rookie
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Join Date: Apr 2006
Posts: 9
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Re: OEM Navi Bypass
The AVIC- Z1 dose not come with a TV tuner, you have to buy that separate. I asked the pioneer dealer that installed my unit about it and he told me the pioneer brand cost about $400.00 and isn?t very good( lots of snow, grainy picture) and then he said there is a non pioneer brand for about 250.00, some a little cheaper, that?s even worse. Then he said to me ?Why do you want to spend that much money to watch TV and get three channels, four if your lucky with bad reception when you have a built in DVD player?. What he said made sense to me, so I never perused the issue. But I think at lot has to do with your topographical location, i.e. tall buildings, trees, mountains, etc?
Also remember unlike your home TV antenna it?s going to be nearly imposable to tune the antenna mounted on a moving vehicle. Even when parked your reception is always going to be changing due to your surroundings.
If you?re really interested in watching TV I would look into mobile satellite TV for vehicles. I?m not sure on the actual name, but I?ve seen it at the auto accessory stores. It?s a petty big box that mounts to the roof rails. Not sure on the price, I want to say its a couple grand but I?m not positive. I?ve only seen two around town. Not sure if they were local or just passing through. One was a Navigator and the other was an Escalade.
I know there?s a few people on this forum that have the AVIC-Z1, not sure if they have the TV tuner and how its working out for them, it?s wroth asking. If you can, try and find someone that has the TV tuner installed and ask them how happy they are with it, because my experience (except my dealer he seemed to be very honest with me for some reason) is that the dealer or retail shop is going to tell you how great it is just so they can make a sale, which you can?t blame them to much because that?s how many of them make a living. All im saying is be a smart informed consumer before you buy. Research, Research, Research!!!
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09-03-2006, 11:48 PM
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Hummer Guru
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Join Date: Jul 2005
Location: Idaho
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Re: OEM Navi Bypass
Quote:
Originally Posted by Rick
You've probably already read about this but most aftermarket NAV systems have a wire that goes to the brake. If you ground this wire to the firewall instead it fools the system to allow you to program it on the fly.
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Not true for the AVIC Z1, earlier models took a flasher module built wired into the illumination wire, newer models require a wire to be added. But, the lockout features can be bypassed.
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09-04-2006, 03:50 AM
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Hummer Professional
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Join Date: Jul 2004
Location: Leduc, Alberta, Canada
Posts: 375
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Re: OEM Navi Bypass
You can use the factory navigation system by installing a switch on the VSS (Vehicle Speed Sensor) wire going into the back of the headunit.* You could simply disconnect it, but you will lose some accuracy doing this.* There are a few writeups on the internet showing you how to do this.* Here is one on CAFCNA.* If you search there for VSS, you will find about a half-dozen other writeups on it, with lots of information.
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09-04-2006, 01:53 PM
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Hummer Guru
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Join Date: Jul 2005
Location: Idaho
Posts: 4,744
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Re: OEM Navi Bypass
Quote:
Originally Posted by Boar-Ral
You can use the factory navigation system by installing a switch on the VSS (Vehicle Speed Sensor) wire going into the back of the headunit.* You could simply disconnect it, but you will lose some accuracy doing this.* There are a few writeups on the internet showing you how to do this.* Here is one on CAFCNA.* If you search there for VSS, you will find about a half-dozen other writeups on it, with lots of information.
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You can try this, it MIGHT work, and it will not take that long to try it out. But, the newer vehicles with the new style BCMs are controlled differrently. The H3 has the latest BCM model, and does things a lot differently.
So, the question is does the nav use the VSS for accuracy as well as lock out of the features, or on the H3, does it use it only for accuracy?
Again, I have no idea, but it might be worth a try to see if it works.
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09-04-2006, 04:04 PM
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Hummer Veteran
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Join Date: Jun 2005
Location: Clearwater, FL
Posts: 37
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Re: OEM Navi Bypass
There is a bypass so you can use Nav on the run. Go to the Tahoe forum and you will find part number to buy. tahoeforum.com
I have been interested myself. Have a 2006 H3 since July 05, and now wanting to purchase a new Black 2007 H3 with factory Nav. ALso want to hook up a rear camera to it like the Tahoe has from the factory.
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