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My Mazda MP3 AUX Won't Work

Updated February 21, 2017

Many Mazda vehicles now have an auxiliary connection port in the stereo system. This allows you to directly hook up outside audio equipment to the stereo, such as MP3 players. If, however, the car is not detecting the MP3 player, you need to troubleshoot the problem. This issue is typically due to a control or cable error, both of which you can correct.

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  1. Check the cable connection running from the MP3 player to the AUX port. Make sure the 3.5mm cable is completely inserted into both ports, otherwise the audio signal is not going to reach the stereo.

  2. Switch out the 3.5mm cable with one that has an extended metal connector. Some AUX ports have a deeper connection port, causing smaller 3.5mm connection cables to not function correctly.

  3. Press the "Aux" button on the Mazda vehicle. If the stereo is not set to "Aux," the car will not play the music.

  4. Change the stereo fuse if the stereo is not functioning (and the clock is not displaying the time). This occurs when the fuse has blown. The exact fuse location will vary, depending on the Mazda vehicle you own. Check the owner's manual for this information.

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Things You'll Need

  • 3.5mm cable

About the Author

Greyson Ferguson

Greyson Ferguson is a graduate of the Savannah College of Art and Design with a degree in film and television. He currently resides in Lansing, Michigan where he works on independent film projects and writes for numerous publications. Ferguson primarily focuses on computer and electronic articles. Greyson produces TheDailyUpbeat.com, focusing on only upbeat news stories with daily updates.

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