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2008 Mercury Mariner Stereo Wiring Guide

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Question: Where can I find a 2008 Mercury Mariner stereo wiring diagram? What are the 2008 Mercury Mariner radio wiring harness colors?

If you’re looking to change the radio in your 2008 Mercury Mariner or troubleshoot why your car radio stopped working, we’re here to help!

Our comprehensive 2008 Mercury Mariner stereo wiring diagram shows you all the stereo wire harness colors, car speaker wiring colors and car speaker sizes. Use our 2008 Mercury Mariner head unit pin-out guide to help you with your car radio troubleshooting and installation needs.

2008 Mercury Mariner Stereo Wiring Diagram

This 2008 Mercury Mariner stereo wiring chart shows you all the 2008 Mercury Mariner 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+) White/Red
Accessory Switched Power Wire (12v+) Black/Gray
Ground Wire Chassis
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 Blue
Car Radio Speaker Amplifier Turn-On Trigger Wire N/A
Car Radio Subwoofer Amp Turn-On Trigger Wire N/A
Car Radio 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.

2008 Mercury Mariner Speaker Wiring Guide

This 2008 Mercury Mariner speaker wiring chart shows you every speaker wire color and the speaker wire location. Use this 2008 Mercury Mariner 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 (+) White
Front Left Speaker Negative Wire (-) White/Brown
Front Right Speaker Positive Wire (+) White/Purple
Front Right Speaker Negative Wire (-) White/Orange
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 (+) White/Green
Rear Left Speaker Negative Wire (-) Brown/Yellow
Rear Right Speaker Positive Wire (+) Brown/White
Rear Right Speaker Negative Wire (-) Brown/Blue
Upgrade your Subwoofer for deeper and cleaner bass!
Subwoofer Positive Wire (+) N/A
Subwoofer Negative Wire (-) N/A

2008 Mercury Mariner Speaker Sizes and Location

This 2008 Mercury Mariner speaker size chart shows your speaker measurements and speaker locations. Use this chart to see what speaker fits in your 2008 Mercury Mariner.

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″ x 8″ 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″ x 8″ Speakers
Rear Speaker Depth 3″ 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 2008 Mercury Mariner 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 2008 Mercury Mariner 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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2 thoughts on “2008 Mercury Mariner Stereo Wiring Guide”

  1. Shelby, locate the ignition switch harness in the steering column and use the violet/green wire for your amplifier remote turn-on. This wire will provide you with a switched power source. That way your amplifier is on whenever your 2008 Mercury Mariner is on and off whenever your 2008 Mercury Mariner is off. Just make sure to run an in-line fuse holder with a 1-amp fuse on the amplifier turn on wire. Hope this helps. Good luck with your 2008 Mercury Mariner stereo installation.

  2. The 12v accessory switch does not have power in my 2008 Mercury Mariner. Do u know why? Is there another source I could tap into for the remote on the amp??

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