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1991 Mazda Miata Radio Wiring Diagram


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1991 Mazda Miata Car Stereo Wiring Diagram

Overview

If you're looking to change the radio in your 1991 Mazda MX-5 Miata or troubleshoot why your car radio isn't working, you'll need to consult the wiring diagram. The wiring diagram shows you all the stereo wire harness colors and where they connect.

Power and Ground Wires

The power wires are responsible for providing electricity to the radio. The ground wires provide a path for the electricity to flow back to the battery. The power and ground wires are typically black and red, respectively. However, some vehicles may use different colors for these wires.

Speaker Wires

The speaker wires carry the audio signal from the radio to the speakers. The speaker wires are typically green, white, gray, and purple. However, some vehicles may use different colors for these wires.

Antenna Wire

The antenna wire carries the radio signal from the antenna to the radio. The antenna wire is typically blue or white.

Other Wires

There may be other wires in the stereo wire harness, such as a remote turn-on wire or an illumination wire. The remote turn-on wire tells the radio to turn on when the key is in the "on" position. The illumination wire tells the radio to dim the display when the headlights are turned on.

Using the Wiring Diagram

To use the wiring diagram, simply match the colors of the wires in the stereo wire harness to the colors of the wires in the diagram. Once you have matched all of the wires, you can connect the radio to the wiring harness and turn it on.


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