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2009 Chevrolet Trailblazer Radio Wiring Diagram


Question: Where can I find a 2009 Chevrolet Trailblazer radio wiring diagram? What are the 2009 Chevrolet Trailblazer radio wiring harness colors?

If you’re looking to change the radio in your 2009 Chevrolet Trailblazer or troubleshoot why your car radio stopped working, we’re here to help!

Our comprehensive 2009 Chevrolet Trailblazer radio wiring diagram shows you all the radio wire harness colors, car speaker wiring colors and car speaker sizes. Use our 2009 Chevrolet Trailblazer head unit pin-out guide to help you with your car radio troubleshooting and installation needs.

2009 Chevrolet Trailblazer Radio Wiring Diagram

This 2009 Chevrolet Trailblazer radio wiring chart shows you all the 2009 Chevrolet Trailblazer radio 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.

Application Radio Wire Color
Battery Constant Power Wire (12v+) Orange (Pin B1 in 24-Pin Plug)
Accessory Switched Power Wire (12v+) Run a wire to the fuse box or ignition switch harness for switched power.
Ground Wire Black/White (Pin A12 in 24-Pin Plug)
Use a Wiring Harness Radio Wiring Harness and Dash Kit Radio Dash Kit for an Easy Install!
Illumination Wire N/A
Dimmer Wire N/A
Antenna Trigger Wire Pink (Pin B3 in 24-Pin Plug)
Amplifier Turn-On Wire Purple (Pin A3 in 24-Pin Plug)
Amplifier Mute Wire Gray/Black (Pin B6 in 24-Pin Plug)
Amplifier Location N/A
Use an Amp Wiring Harness Radio Wiring Harness to Connect Your OEM Amplifier to an aftermarket radio.

2009 Chevrolet Trailblazer Speaker Wiring Guide

This 2009 Chevrolet Trailblazer speaker wiring chart shows you every speaker wire color and the speaker wire location. Use this 2009 Chevrolet Trailblazer speaker wiring guide to help you with a speaker replacement or speaker upgrade. If the car speaker wiring information you’re searching for is not listed, please don’t hesitate to ask for it at the bottom of this page.

Application Speaker Wire Color
Dash Center Speaker Positive Wire (+) N/A
Dash Center Speaker Negative Wire (-) N/A
Upgrade your Center Speakers for awesome sound!
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
Upgrade your Tweeters for cleaner audio highs!
Front Left Speaker Positive Wire (+) Tan (A8 in 24-Pin Plug)
Front Left Speaker Negative Wire (-) Dark Green (A9 in 24-Pin Plug)
Front Right Speaker Positive Wire (+) Light Green (B11 in 24-Pin Plug)
Front Right Speaker Negative Wire (-) Orange/Black (B10 in 24-Pin Plug)
Use a Speaker Wire Harness Radio Wiring Harness for Easy Speaker Wiring!
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
Upgrade your Tweeters for cleaner audio highs!
Rear Left Speaker Positive Wire (+) Brown (B10 in 24-Pin Plug)
Rear Left Speaker Negative Wire (-) Dark Green/White (B9 in 24-Pin Plug)
Rear Right Speaker Positive Wire (+) Dark Blue (A11 in 24-Pin Plug)
Rear Right Speaker Negative Wire (-) Black (A10 in 24-Pin Plug)
Upgrade your Subwoofer for deeper and cleaner bass!
Subwoofer Positive Wire (+) N/A
Subwoofer Negative Wire (-) N/A

2009 Chevrolet Trailblazer Amplifier Pin-Out Guide

This 2009 Chevrolet Trailblazer amplifier wiring chart shows you every speaker wire color and the speaker wire pin-out location. Use this 2009 Chevrolet Trailblazer amplifier wiring guide to help you with your car audio install. If the car amplifier wiring information you’re searching for is not listed, please don’t hesitate to ask for it at the bottom of this page.

Application Amplifier Wire Color
Front Left Speaker Positive Wire (+) Tan (A5 in 24-Pin Plug)
Front Left Speaker Negative Wire (-) Gray (A6 in 24-Pin Plug)
Front Left Midrange Speaker Positive Wire (+) Dark Blue (A9 in 24-Pin Plug)
Front Left Midrange Speaker Negative Wire (-) Light Blue (A10 in 24-Pin Plug)
Save time with Quick Splice Connectors Wire Connectors for fast and easy wire connections!
Front Right Speaker Positive Wire (+) Light Green (A7 in 24-Pin Plug)
Front Right Speaker Negative Wire (-) Dark Green (A8 in 24-Pin Plug)
Front Right Midrange Speaker Positive Wire (+) Orange (A11 in 24-Pin Plug)
Front Right Midrange Speaker Negative Wire (-) Dark Green (A12 in 24-Pin Plug)
Save time with Quick Splice Connectors Wire Connectors for fast and easy wire connections!
Front Left Low Level Speaker Positive Wire (+) Tan (B10 in 24-Pin Plug)
Front Left Low Level Speaker Negative Wire (-) Dark Green (B9 in 24-Pin Plug)
Front Right Low Level Speaker Positive Wire (+) Light Green (B8 in 24-Pin Plug)
Front Right Low Level Speaker Negative Wire (-) Dark Green (B9 in 24-Pin Plug)
Save time with Quick Splice Connectors Wire Connectors for fast and easy wire connections!
Rear Left Low Level Speaker Positive Wire (+) Brown (B6 in 24-Pin Plug)
Rear Left Low Level Speaker Negative Wire (-) Dark Green/White (B5 in 24-Pin Plug)
Rear Right Low Level Speaker Positive Wire (+) Dark Blue (B4 in 24-Pin Plug)
Rear Right Low Level Speaker Negative Wire (-) Black (B3 in 24-Pin Plug)
Upgrade your Subwoofer for deeper and cleaner bass!
Subwoofer Positive Wire (+) N/A
Subwoofer Negative Wire (-) N/A

2009 Chevrolet Trailblazer Speaker Sizes and Location

This 2009 Chevrolet Trailblazer speaker size chart shows your speaker measurements and speaker locations. Use this chart to see what speaker fits in your 2009 Chevrolet Trailblazer.

Application Speaker Size and Location
Dash Center Speaker Size N/A
Dash Center Speaker Depth N/A
Dash Center Speaker Location N/A
Upgrade your Center Speakers for awesome sound!
Front Tweeter Size N/A
Front Tweeter Depth N/A
Front Tweeter Location N/A
Upgrade your Tweeters for cleaner audio highs!
Front Speaker Size 6.5″ Speakers
Front Speaker Depth 3.5″ Depth
Front Speaker Location Front Doors
Use a Speaker Wire Harness Radio Wiring Harness for Easy Speaker Wiring!
Rear Tweeter Size N/A
Rear Tweeter Depth N/A
Rear Tweeter Location N/A
Use a Speaker Wire Harness Radio Wiring Harness for Easy Speaker Wiring!
Rear Speakers Size 6.5″ Speakers
Rear Speaker Depth 3.5″ Depth
Rear Speaker Location Rear Doors
Upgrade your Subwoofer for deeper and cleaner bass!
Subwoofer Size N/A
Subwoofer Depth N/A
Subwoofer Location N/A

Questions and Answers

If you have any questions about your 2009 Chevrolet Trailblazer 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

Do you want to contribute 2009 Chevrolet Trailblazer stereo wire diagram information to benefit the Modified Life community? Feel free to share your insights by posting at the bottom of this page. We will gather any additional information presented below by our community, verify it, and incorporate it into the car radio wiring guide above for easy reference. We are consistently adding new information to improve and update this car stereo wiring guide as it becomes available. We appreciate your contribution in advance!

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