Wiring harness for HU 2004 Monsoon System - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 08-21-2007, 07:31 PM   #11
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The other problems you're going to run into are with the vehicle chime and OnStar. If you plan to retain these, there are special adapters you need. Without them, you won't have warning or door chimes, nor will you be able to use OnStar. These functions are both handled by the factory HU. Aftermarket head units don't support these functions, hence the extra adapter boxes.

Before going too far, it'* important to know exactly what you want to accomplish.
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Old 08-21-2007, 07:35 PM   #12
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I dont have chimes right now and I dont want onstar. Question me hooking up the amp to the stock HU and blowing a channel front speakers and rear deck speakers could that have taking out the chimes too???
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Old 08-21-2007, 07:38 PM   #13
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This is entirely possible since the chimes only come from the drivers door.
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Old 08-21-2007, 07:39 PM   #14
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Wait hold on so the chime comes from the speaker? Do you think its the HU or the monsoon amp that is done for?
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Old 08-21-2007, 07:45 PM   #15
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Yes, chimes come from the speaker. Because the factory HU talks on the Class 2 Serial Data Bus, any other module in the car which needs to alert the driver to a warning or failure will send a Class 2 signal to the radio and the HU will then generate the appropriate chime. Whether Monsoon or not, this comes through the LF channel. In the Monsoon system, the amp sees it as audio from the HU no differently than music. It gets amplified and played through the speaker.

EDIT: I believe your amp is suspect here.
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Old 08-21-2007, 07:49 PM   #16
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Before I get ahead of myself here, did you connect to the speaker wire or to the output of the HU at the amp before your problem started? If you connected to the speaker wire, I would still suspect your amp is the problem.
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Old 08-21-2007, 08:53 PM   #17
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Yes it was the speaker wire i hooked up too. That wont happen now I have a New HU to put in with RCA'*.. By the way it was the amp I told ponitac that and they thought I was dumb or something. They replaced the RR speaker for some reason (even though there was 4 speakers not working) and then called me back today and told me they replaced the amp and took care of the problem duhhh!!!!

Still in the shop though for the fog light harness. Same situation there. I told them it wasn't the fog light it was the harness. They replaced the Fog light went out 3 days later, i brought it back in and told them I have a number for a TSB that I wanted them to look up. They said we will look it up our self. Guess what they are replacing the harness tommorow(after they found the TSB themselves). I guess they get people telling them what the problem is and dont like to listen anymore.
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Old 08-22-2007, 03:18 PM   #18
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Anyone willing to make the harness for me? I will pay.
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