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1981 Plymouth Horizon Radio Wiring Diagram


Question: Where can I find a 1981 Plymouth Horizon radio wiring diagram? What are the 1981 Plymouth Horizon radio wiring harness colors?

If you’re looking to change the radio in your 1981 Plymouth Horizon or troubleshoot why your car radio stopped working, we’re here to help!

Our comprehensive 1981 Plymouth Horizon radio wiring diagram shows you all the radio wire harness colors, car speaker wiring colors and car speaker sizes. Use our 1981 Plymouth Horizon stereo wiring guide to help you with your car radio and installation needs.

1981 Plymouth Horizon Radio Wiring Diagram

This 1981 Plymouth Horizon radio wiring chart shows you all the 1981 Plymouth Horizon 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
Car Radio Battery Wire (Constant 12v+) Run a wire to the battery for constant power.
Car Radio Accessory Wire (Switched 12v+) Red
Car Radio Ground Wire Chassis
arrow Use a Car Radio Wiring Harness and Car Radio Dash Kit for an Easy Install!
Car Radio Illumination Wire N/A
Car Stereo Dimmer Wire Orange
Car Radio Antenna Trigger Wire N/A
Car Radio Amp Trigger Wire N/A
Car Radio Amplifier Location N/A
arrow Use an Amp Integration Harness to Connect Your Factory Amplifier to an aftermarket radio.

1981 Plymouth Horizon Speaker Wiring Guide

This 1981 Plymouth Horizon speaker wiring chart shows you every speaker wire color and the speaker wire polarity. Use this 1981 Plymouth Horizon 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 Left Speaker Positive Wire (+) Green
Front Left Speaker Negative Wire (-) Green/Yellow
Front Right Speaker Positive Wire (+) Purple
Front Right Speaker Negative Wire (-) Purple/Yellow
arrow Use a Speaker Wire Harness for easy Speaker Installation!
Rear Left Speaker Positive Wire (+) Brown
Rear Left Speaker Negative Wire (-) Brown/Yellow
Rear Right Speaker Positive Wire (+) Blue/Red
Rear Right Speaker Negative Wire (-) Gray/Red
arrow Use a Speaker Wire Harness for easy Speaker Installation!
Subwoofer Left Positive Wire (+) N/A
Subwoofer Left Negative Wire (-) N/A
Subwoofer Right Positive Wire (+) N/A
Subwoofer Right Negative Wire (-) N/A
arrow Use a Steering Wheel Control Adapter to Keep Your Steering Wheel Controls.

1981 Plymouth Horizon Speaker Sizes and Location

This 1981 Plymouth Horizon speaker size chart shows your speaker measurements and speaker locations. Use this chart to see what speaker fits in your 1981 Plymouth Horizon.

Application Speaker Size and Location
Front Center Speaker Size N/A
Front Center Speaker Depth N/A
Front Center Speaker Location N/A
arrow Upgrade your Center Speakers for awesome sound!
Front Tweeter Size N/A
Front Tweeter Depth N/A
Front Tweeter Location N/A
arrow Upgrade your Tweeters for cleaner audio highs!
Front Speaker Size 5 1/4″ Speakers
Front Speaker Depth N/A
Front Speaker Location Dash
arrow Use a Speaker Wire Harness for easy Speaker Installation!
Rear Tweeter Size N/A
Rear Tweeter Depth N/A
Rear Tweeter Location N/A
arrow Use a Speaker Wire Harness for easy Speaker Installation!
Rear Speaker Size 6″ x 9″ Speakers
Rear Speaker Depth N/A
Rear Speaker Location Rear Deck
arrow Upgrade your Subwoofer for deeper lows!
Car Subwoofer Speaker Size N/A
Car Subwoofer Speaker Depth N/A
Car Subwoofer Speaker Location N/A

Questions and Answers

If you have any questions about your 1981 Plymouth Horizon 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 1981 Plymouth Horizon 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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