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Help with GMAH24B

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Old May 5, 2008 | 12:16 AM
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ddsn85's Avatar
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Default Help with GMAH24B

I am getting ready to install a Kenwood DNX8120 in my '08 coupe with Bose. I have the Peripheral GMAH24B along with the GMAHCM. In reading through the instructions from Peripheral, it states that only the front speaker wires from the HU are connected to the GMAH24B with the bose amp. Is this correct or should all four wires be connected?

Brad
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Old May 5, 2008 | 09:29 AM
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Originally Posted by ddsn85
I am getting ready to install a Kenwood DNX8120 in my '08 coupe with Bose. I have the Peripheral GMAH24B along with the GMAHCM. In reading through the instructions from Peripheral, it states that only the front speaker wires from the HU are connected to the GMAH24B with the bose amp. Is this correct or should all four wires be connected?

Brad
Don't use the speaker wires, use the RCA outputs from the radio, you'll get a better quality signal sent to the amp that way.

I can't dig up the PDF online for that unit right now, their site isn't working correctly, but only plugging in the fronts doesn't seem correct. If the harness has plugs for front & rear, hook 'em both up.
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Old May 5, 2008 | 11:23 AM
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From: SOUTHERN CALI - Most of the time California
Default

Originally Posted by TheKomoman
Don't use the speaker wires, use the RCA outputs from the radio, you'll get a better quality signal sent to the amp that way.


For the chimes, I think the sound comes out of the GMAH24B. You can keep the center speaker connected & OEM amp, onstar should go through.

GHAH24B to head unit - no speaker wires.

Are you adding an after-market amp and speakers?
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Old May 5, 2008 | 12:16 PM
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Default Need a chime module

If you started with the Bose system, I think you need the optional chime module also.
The chimes don't work in my 2005 with the 24B setup (AVIC D1 Pioneer).
I am actually thinking about going back to the Bose 6 CD radio/changer.
Don't use the Nav system enough.
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Old May 5, 2008 | 01:30 PM
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TheKomoman
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Originally Posted by jaki30
If you started with the Bose system, I think you need the optional chime module also.
The chimes don't work in my 2005 with the 24B setup (AVIC D1 Pioneer).
I am actually thinking about going back to the Bose 6 CD radio/changer.
Don't use the Nav system enough.
In his original post he states that he got the GMAHCM, which is the chime module you must have along with the GMAH24B. Which of the Peripheral modules you use is determined by the presence of Onstar, not Bose.
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