TrailBlazer 2002-2009
2023- The TrailBlazer, originally introduced as an upscale Blazer, was produced from 2002 to 2008 with a powerful I6 engine and with a monster V8 offered in the Trailblazer SS
Platform: GMT 305, 360, & 370.

GM Nav help

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Old Jan 24, 2007 | 2:50 PM
  #1  
krcarleton's Avatar
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Default GM Nav help

I just replaced my 6 disc Bose system in my 2006 Trailblazer with a GM Nav NON-LUX unit P/N 15800000. It had the VIN cleared before I purchased it. Everything works great, except the chime is too loud. Much louder than with the original radio. I set the chime to "Normal" in the config screen, but it's still too load. A local dealer told me that I can't upgrade the factory radio and there is nothing they can do for me except put the original radio back in.
Everything I've read says the swap is plug-n-play. Can anyone suggest a solution? Any help would be greatly appreciated.
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Old Jan 25, 2007 | 12:35 AM
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Default RE: GM Nav help

Private message zx1100f1. He has a vast amount of knowledge of GM products. If he cant help you , noboby can - though I am sure he can get you your question answered.
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Old Jan 25, 2007 | 5:27 PM
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Default RE: GM Nav help

Engine2,

Thanks, ZX1100F1 was very helpful.
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Old Jan 27, 2007 | 12:04 AM
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Default RE: GM Nav help

ORIGINAL: krcarleton

Engine2,

Thanks, ZX1100F1 was very helpful.
Your welcome. Glad he could help you.

I am amazed how well ZX know's GM products. He is a huge asset to have on this forum.
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Old Dec 26, 2007 | 9:56 AM
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Default RE: GM Nav help

Could you share the solution? I have the same problem with my GM Nav NON-LUX unit P/N 15800000. Any help would be appreciated.
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