I'm pretty sure I have it installed right. The front passengers have good sound, but the mid and rear speakers sound weak. This module doesnt support fader. The factory stereo fader was balanced front/rear when I removed it. I have this idea to make it better.

The D3 RCA outs for rear are unused. Maybe there's enough power there to drive the mid/rear speakers, and make them louder? Can anyone tell me where is the Bose amp? I was thinking of disconnecting the rear speakers from the Bose amp, and run them direct into the D3 RCA rear outs. What do you think?

Thanks in advance!

Can't do that. Your better off to just bypass the bose and put some type of aftermarket system in there

I have the D3 in my Hummer H2, but with the Scosche adapter, and I am pretty sure that I have Front/Rear Fade intact. I keep it at about 6+ towards the Rear speakers.

I'll confirm today and let you know for certain.

You have both front and rear rca outputs connected to the gmos front and rear outputs, right? Some bose systems only use the front input, i thought mine was one of them, i had your problem, i fixed it by hooking up the rear, turns out mine requires both inputs, a lot of bose do to.

You have both front and rear rca outputs connected to the gmos front and rear outputs, right? Some bose systems only use the front input, i thought mine was one of them, i had your problem, i fixed it by hooking up the rear, turns out mine requires both inputs, a lot of bose do to.

No just the fronts are connected per the install instructions. I tried connecting the rear and it stopped making any sound at all. Had me worried a few minutes that I messed something up. After I disconnected and restarted everything, it returned to normal.

Hey installthis06, why would that idea not work? Just wondering.

Yeah LV_H2, let me know about your fader. Right now my mid and rear sounds like some weak surround sound, but that's par for the course from what I'm reading about the gmos-04 adapter. Thanks

Anyone know where the Bose amp is found?

Under the center console. Have fun getting to it....

Thanks, I was afraid of that!

Dash & Center Console removal instructions:

http://www.elcovaforums.com/forums/show ... emove+dash

Not that difficult.

well why would you want some garbage speakers in there?

Dash & Center Console removal instructions:

 

http://www.elcovaforums.com/forums/show ... emove+dash

 

Not that difficult.

Thanks man, I've got that exercise down pat, and can get the console and radio out in 10 minutes. I never noticed the amp anywhere inside the console, that's the mystery to me. Neat hummer forum site! I searched there and didn't find anything about the amp...

It's UNDER the center console, not in it.

It's under the metal support, directly under the bucket. You can access the plugs to the amp by removing the rear of the console.

FYI-- Be mindfull of the connector that plugs into the gear shifter under the cupholder. This plug/harness will restrict the movement of the console rearward when tring to remove the radio bezel. One of the pins in this plug is the "in gear" notification wire. If this wire is broken, you can not remove the key from the cylinder. I have repaired this problem many times for other shops that had no idea what they had done.

Good info - thanks everyone!

Bullseye,

I did confirm that with the Scosche adapter and D3 in my H2, I DO have front/rear fade control.

I did not do the initial install myself (only the bluetooth afterwards), so I don't know the specifics of how my installer wired the set-up.

Good luck.

I actually had the same problem when I hooked up my GMOS 04 to my H2 but I got another one and now all speakers work. I have a jl audio 10 w7 and those bose speakers can keep up just fine..

I decided to work around the problem like this. I cut the wires to the rear speakers, and wired them into the D3 speaker outputs. Now they are playing strong again. Thanks for all your help!

hey everyone i have a hummer h2 2003 and i just installed the gmos 04 at first had no sound out front speakers, then found a link te told me to connect blue white wire to pink and i got something but still sound is intermitten. i hear the music loud by in brief seconds. please someone help i tried to do it myself because times are hard and have hit a brick wall