Question: Where can I find a 2006 Hummer H3 stereo wiring diagram, and what are the 2006 Hummer H3 radio wiring harness color codes?
If you’re planning to upgrade the radio in your 2006 Hummer H3 or troubleshoot issues with your car stereo, this guide is here to help!
Our comprehensive 2006 Hummer H3 radio wiring diagram shows all the radio wire harness colors, speaker wire colors, and speaker sizes. Use this head unit pinout guide to help with your car stereo installation or to troubleshoot radio wiring issues in your 2006 Hummer H3.
In This Guide
2006 Hummer H3 Stereo Wiring Diagram
This 2006 Hummer H3 stereo wiring chart shows you all the 2006 Hummer H3 stereo wire colors and their functions. Utilize this guide to help you with a car radio install or help with a car radio troubleshoot. If you don’t see the car radio wiring information you’re looking for, please feel free to ask your question at the bottom of this page.
| Car Stereo Wire Function | Wire Color Code |
|---|---|
| Battery Constant Power Wire (12v+) | Orange |
| Accessory Switched Power Wire (12v+) | N/A |
| Ground Wire | Black/White |
Use a Wiring Harness  and Dash Kit  for an Easy Install! |
|
| Illumination Wire | N/A |
| Dimmer Wire | N/A |
| Antenna Trigger Wire | N/A |
| Car Radio Speaker Amplifier Turn-On Trigger Wire | Pink |
| Car Radio Subwoofer Amp Turn-On Trigger Wire | N/A |
| Car Radio Mute Wire | N/A |
| Amplifier Location | Car amplifier is located behind the trim in the left side of cargo area next to subwoofer. |
2006 Hummer H3 Speaker Wiring Guide
This 2006 Hummer H3 speaker wiring guide provides all the speaker wire colors and speaker locations you need for an upgrade or replacement. Whether you are installing new speakers or troubleshooting your factory setup, this 2006 Hummer H3 chart makes it easy to identify each wire and where it connects. If you don’t see the car speaker wiring info you need, feel free to ask your question at the bottom of the page — we are here to help!
| Car Stereo Wire Function | Wire Color Code |
|---|---|
| Dash Center Speaker Positive Wire (+) | N/A |
| Dash Center Speaker Negative Wire (-) | N/A |
| Front Left Tweeter Positive Wire (+) | N/A |
| Front Left Tweeter Negative Wire (-) | N/A |
| Front Right Tweeter Positive Wire (+) | N/A |
| Front Right Tweeter Negative Wire (-) | N/A |
| Front Left Speaker Positive Wire (+) | Tan |
| Front Left Speaker Negative Wire (-) | Dark Green |
| Front Right Speaker Positive Wire (+) | Light Green/White |
| Front Right Speaker Negative Wire (-) | Orange/Black |
| Rear Left Tweeter Positive Wire (+) | N/A |
| Rear Left Tweeter Negative Wire (-) | N/A |
| Rear Right Tweeter Positive Wire (+) | N/A |
| Rear Right Tweeter Negative Wire (-) | N/A |
| Rear Left Speaker Positive Wire (+) | Brown |
| Rear Left Speaker Negative Wire (-) | Dark Green/White |
| Rear Right Speaker Positive Wire (+) | Dark Blue |
| Rear Right Speaker Negative Wire (-) | Black |
| Subwoofer Positive Wire (+) | N/A |
| Subwoofer Negative Wire (-) | N/A |
2006 Hummer H3 Speaker Sizes and Locations
This 2006 Hummer H3 speaker guide includes speaker sizes, speaker locations, and helpful info on speaker upgrades. Use this chart to find out what size speakers fit your 2006 Hummer H3.
| Application | Speaker Size/Location |
|---|---|
| Dash Center Speaker Size | N/A |
| Dash Center Speaker Depth | N/A |
| Dash Center Speaker Location | N/A |
| Front Tweeter Size | N/A |
| Front Tweeter Depth | N/A |
| Front Tweeter Location | N/A |
| Front Speaker Size | 6 1/2″ Speakers |
| Front Speaker Depth | 3″ Depth |
| Front Speaker Location | Front Doors |
| Rear Tweeter Size | N/A |
| Rear Tweeter Depth | N/A |
| Rear Tweeter Location | N/A |
| Rear Speakers Size | 6 1/2″ Speakers |
| Rear Speaker Depth | 3″ Depth |
| Rear Speaker Location | Rear Doors |
| Subwoofer Size | N/A |
| Subwoofer Depth | N/A |
| Subwoofer Location | N/A |
Questions and Answers
If you have any questions about your 2006 Hummer H3 radio installation, please don’t hesitate to post them at the bottom of this page. We’re committed to finding the answers you need, and members of the Modified Life community may also provide valuable insights into the car stereo information you’re looking for. Don’t hesitate to ask your car audio question; it could benefit others seeking the same answers!
Contribute
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4 thoughts on “2006 Hummer H3 Radio Wiring Guide”
Hello, I have a 2006 Hummer H3 and my onstar isn’t working at all anymore along with my stereo doesn’t automaticly turn on when I start the truck, I have to manually turn it on and off now. It is driving me crazy and I don’t have alot of money to take it to a professional so I’m hoping you can be my life saver :) Thank you so much for even reading this. Wendy
Hello, I just both a 2006 hummer h3, I wanted to connect my ipod but the radio has no aux conection, most places I check wanted to know what radio sys is installed, I don’t see any brand name on it, it has, am, fm, and xm frequencies and cd player built in, can you please identefied the sys and what will be compatable with this, I both an fm trasmiter but doesn’t work that well so I need to hard wire somenthing that will work for good. Thanks Alex
Alex, you will need a bluetooth transmitter. A bluetooth transmitter will allow you to connect any bluetooth device to your factory radio. This is the easiest and most cost effective way to add an audio input into your factory stereo. Here is the bluetooth transmitter you will need:
Aux Input Adapter for 2006 Hummer H3
If you’ve never installed car audio before, we advise you to take your car to an experienced mobile audio installer. Hope this helps. Good luck with your 2006 Hummer H3 bluetooth transmitter installation.
I would like to know if a 2006 hummer h3 stereo will fit in my 2007 hummer H3? I dont have sirius xm radio in my 2007 hummer h3 and I know that some 2006 models carry that feature in them. is there a way to know if the 06 has it ? and will it fit right in ? anyone?