How to Install a Mazda MX5 Radio

Written by michael j. scott | 13/05/2017

Installing a new stereo in your Mazda MX5 does not necessarily require a car audio specialist. You can save the cost of installation by doing the job yourself with a few simple tools. Once the old stereo is removed, installing a new stereo takes a minimal amount of time. To install an after-market stereo in your MX5 you will need to purchase a dash adaptor, as the factory stereo in the MX5 is much larger than most aftermarket stereos.

Cut the ends off of two wire coat hangers. To remove your stereo you need four removal keys, and the coat hangers will work as keys. Bend the hanger ends into a "U" shape and leave about two inches on each side of the "U".

Disconnect the negative battery cable from your battery.

Pry the plastic trim pieces away from the sides of the radio. There are four holes on each side of the radio.

Slide your four "U" shaped keys into the holes. Grab the keys and press them away from the radio. While still pressing outward, slide the radio out of the dashboard.

Disconnect the antenna cable and wiring harness from the back of the radio.

Slide the cage included with your new stereo into your dash adaptor. Slide your new stereo into the cage. Connect the wiring harness and antenna cable to the back of your new stereo. All stereos have slightly different connection requirements so refer to your owner's manual when making the connections.

Slide the stereo and dash adaptor assembly into the dashboard. Mount the dash adaptor to the dashboard. All adaptors have different mounting procedures, so refer to the installation instructions that came with your adaptor.

Replace the side trim panels and reconnect your battery.


Disconnecting the battery will prevent an accidental short circuit.

Tips and warnings

  • Disconnecting the battery will prevent an accidental short circuit.

Things you need

  • Two wire coat hangers
  • Wire cutters
  • Flat head screwdriver
  • Mazda MX5 dash adaptor

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