Interchange of GM Sat/Nav Headunits - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 01-20-2008, 05:18 PM   #1
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Default Interchange of GM Sat/Nav Headunits

Gents

Hypothetically speaking, are GM Navigation units relatively interchangable or are they model specific?

I see a ton of ads on Ebay for nav units pulled from GM trucks claiming they are interchangeable with other models. Would it apply to their trucks only? Anyone got any feedback on this?

I'm focusing specifically on 2004+ models
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Old 01-22-2008, 12:00 AM   #2
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Nobody knows eh?
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Old 01-22-2008, 12:01 AM   #3
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did you shoot a PM to ddalder, he seems to know a lot about these types.

Just a suggestion and a feeble attempt to help...
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Old 01-22-2008, 12:32 AM   #4
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You will need to reflash the radio for the proper VIN. And possibly do up a different wire harness, otherwise they will work fine.

And, IIRC, the unit should automatically recognize, that say for example it was in a Caddy, and now is in a Bonne, should show the Pontiac emblem instead of the Caddy emblem.
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Old 01-22-2008, 01:01 AM   #5
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There are certainly some differences between the units. What you are installing the unit into dictates which one you need.

First, there are the Non-Lux units. These require an external amplifier and will not work properly without one. You'll often see these installed in the Trail Blazer, H2, Suburban and several others. The amplifier in the vehicle must NOT be a class 2 amp. What I mean by this is that volume and other audio functions are handled in the head unit, not by way of class 2 data signals to the amplifier itself.

Next there are the Lux units. The vehicles which have these are usually higher end and will have the Y91 or Y92 RPO code. Because various audio functions are controlled by the amplifier directly over the class 2 data bus, these will not work with an amp such as those in the Bonneville.

Finally, and not very common is a version made for vehicles that do NOT have an external amplifier. I can try and find a part number for these. This type of unit would be perfect for installation in a Bonneville SE or SLE. Of course there are several other considerations to doing this.

Here is the thread relating to the install of my nav unit:

http://www.bonnevilleclub.com/forum/...ic.php?t=70694

I also created an updated thread when I replaced the Delphi "aftermarket" version with a genuine OEM version. Here it is:

http://www.bonnevilleclub.com/forum/...ic.php?t=89253

There are complete details, including parts to change the backlighting for the buttons and wiring harnesses for the adapter cable required.

*** YOU SHOULD NOT USE THE VIN RELEARN ON THE TECH 2 FOR THE BONNEVILLE TO INSTALL THESE UNITS ***

If you plan on doing this, I can provide details on how to perform this step.
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Old 01-22-2008, 08:51 PM   #6
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Some common part numbers include:

Bose, Non-Lux - 15800000
Should work in most SUV'* and Pick-Up Trucks with an amplifier (UQ7) and WITHOUT Y91 or Y92 RPO.

Bose, Lux - 15800001
Should work in a variety of SUV'* and Pick-Up'* with the appropriate dash mounting style and DOES have the Y91 or Y92 RPO.

Non-Bose, Non-Lux - 15811289
Should work in '06 Express, '06 - '07 Rendevous, '06 Silverado 2 Door Non-Bose/Non-Lux. May also work in several other non-amplified vehicles with the same dash mounting style.

eBay may list many other navigation radios with different part numbers. Over the years, part numbers often become obsolete and change up to another number. Usually the most important criteria is to know if you need Bose/Non-Lux, Bose/Lux or Non-Bose/Non-Lux. The numbers listed above are NOT necessarily the most current but are frequently seen in used part listings.
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Old 01-24-2008, 09:39 PM   #7
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Darcy, thanks, I'll keep all this in mind if indeed I get a new car.
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Old 07-25-2008, 11:05 PM   #8
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I have a 2006 trailblazer that I am thinking about taking the navigation unit out of and putting that in the bonnie, would that work? I have the bose unit in my trailblazer.

Jon
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Old 07-26-2008, 08:24 AM   #9
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depends on what system the TB has
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Old 07-29-2008, 11:24 AM   #10
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you are better off putting in an aftermarket nav unit. much high quality, better maps, options, etc. you can buy one used for the same price as those you are seeing on ebay used. 0 headache or worrying about if it will work, better quality etc. it'* basically a no brainer use an aftermarket unit it'* leaps and bounds ahead of the stock gm ones. if you don't believe me go read a review online there are many which compaire stock vs aftermarket. aftermarket destroys stock in every one. this includes bmw'* nav and others nothing can touch the aftermarket ones.
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