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2021 Toyota Tundra Stereo Wiring Diagram


Question: Where can I find a 2021 Toyota Tundra stereo wiring diagram? What are the 2021 Toyota Tundra radio wiring harness colors?

If you’re looking to change the radio in your 2021 Toyota Tundra or troubleshoot why your car radio stopped working, we’re here to help!

Our comprehensive 2021 Toyota Tundra stereo wiring diagram shows you all the stereo wire harness colors, car speaker wiring colors and car speaker sizes. Use our 2021 Toyota Tundra head unit pin-out guide to help you with your car radio troubleshooting and installation needs.

2021 Toyota Tundra Stereo Wiring Diagram

This 2021 Toyota Tundra stereo wiring chart shows you all the 2021 Toyota Tundra 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.

Application Radio Wire Color
Battery Constant Power Wire (12v+) Red (Pin 4 in 10-Pin Plug)
Accessory Switched Power Wire (12v+) Light Blue (Pin 3 in 10-Pin Plug)
Ground Wire White and Black (Pin 7 in 10-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 N/A
Amplifier Turn-On Wire N/A
Amplifier Mute Wire N/A
Amplifier Location N/A
Use an Amp Wiring Harness Radio Wiring Harness to Connect Your OEM Amplifier to an aftermarket radio.

2021 Toyota Tundra Speaker Wiring Guide

This 2021 Toyota Tundra speaker wiring chart shows you every speaker wire color and the speaker wire location. Use this 2021 Toyota Tundra 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
Front Center Speaker Positive Wire (+) N/A
Front 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
Use a Wiring Harness Radio Wiring Harness for a fast install!
Front Left Speaker Positive Wire (+) Brown (Pin 1 in 12-Pin Plug)
Front Left Speaker Negative Wire (-) Beige (Pin 6 in 12-Pin Plug)
Front Right Speaker Positive Wire (+) Pink (Pin 2 in 12-Pin Plug)
Front Right Speaker Negative Wire (-) Gray (Pin 7 in 12-Pin Plug)
Save time with Quick Splice Connectors Wire Connectors for fast and easy wire connections!
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 (+) Light Green (Pin 3 in 12-Pin Plug)
Rear Left Speaker Negative Wire (-) Black (Pin 8 in 12-Pin Plug)
Rear Right Speaker Positive Wire (+) Blue (Pin 9 in 12-Pin Plug)
Rear Right Speaker Negative Wire (-) White (Pin 10 in 12-Pin Plug)
Upgrade your Subwoofer for deeper and cleaner bass!
Subwoofer Positive Wire (+) N/A
Subwoofer Negative Wire (-) N/A

2021 Toyota Tundra Speaker Sizes and Location

This 2021 Toyota Tundra speaker size chart shows your speaker measurements and speaker locations. Use this chart to see what speaker fits in your 2021 Toyota Tundra.

Application Speaker Size and Location
Dash Center Speaker Size 3 1/2″ Speakers
Dash Center Speaker Depth N/A
Dash Center Speaker Location Middle of the Dash
Dash Corner Speaker Size 3 1/2″ Speakers
Dash Corner Speaker Depth N/A
Dash Corner Speaker Location Left and Right Corners of the Dash
Upgrade your Center Speakers for awesome sound!
Front Tweeter Size 3/4″ Tweeters
Front Tweeter Depth N/A
Front Tweeter Location Front Doors
Upgrade your Tweeters for cleaner audio highs!
Front Speaker Size 6″ x 9″ Speakers
Front Speaker Depth N/A
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 Speaker Size 6″ x 9″ Speakers
Rear Speaker Depth N/A
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 2021 Toyota Tundra 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 2021 Toyota Tundra 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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