How to Install a Radio Aux Jack in a Subaru Baja

Written by nichole liandi
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An auxiliary input is a very handy accessory to have in your car. With an aux input, you can plug portable MP3 players or other audio devices into your car radio and enjoy your music collections while you're on the road. Adding an aux input to the car stereo in your Subaru Baja will require the use of a special adaptor plus the removal and reinstallation of the car radio. You can accomplish this task with basic hand tools.

Skill level:

Things you need

  • Adjustable wrench
  • Panel tool
  • Phillips screwdriver
  • RF modulator with aux input
  • Wire cutters
  • Butt connector
  • Crimp tool

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  1. 1

    Loosen the nut securing the negative cable on your car's battery and remove the terminal from the battery.

  2. 2

    Pry up the rear edge of the gearshift trim panel with a panel tool. Pull the trim panel backwards, away from the car's dashboard, to remove it.

  3. 3

    Remove two Phillips screws from the coin tray located below the pocket in the dash and remove the tray. Take out the ashtray and remove two Phillips screws from the ashtray support bracket. Let the bracket hang down.

  4. 4

    Pry loose the trim panel surrounding the climate controls. Pull out the trim panel and remove it. Take out six Phillips screws from the perimeter of the radio "stack" and pull it out until you can access the back of the radio.

  5. 5

    Unplug the antenna from the back of the radio -- it's a single black cable with a silver connector. Plug the antenna cable of your RF modulator into the "ANT IN" jack of the modulator. Plug the "antenna out" cable of the modulator into the radio -- this cable will look just like the end of the original antenna cable.

  6. 6

    Find the yellow wire leading into your radio and cut it about 2 inches from the back of the radio, using a pair of wire cutters. Remove 1/2-inch of insulation from each end of the cut wire.

  7. 7

    Twist together the bare ends of the yellow wire connected to the radio and the end of the red wire connected to the RF modulator. Insert the wires into a butt connector. Insert the other yellow wire into the other end of the butt connector. Place the connector into the jaws a crimp tool and press firmly to crimp the cables together.

  8. 8

    Route the auxiliary input cable of the RF modulator down through the dash to a convenient location such as the glove box or the centre console.

  9. 9

    Place the RF modulator in the radio cavity, behind the radio. Replace the radio in the dash and reassemble the trim you removed.

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