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How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86)

Follow along with our article and video on how to remove & install your 4 Eye Fox Body Mustang side markers (79-86). Shop our 4 Eye side marker products today!

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How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86) - How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86)


Please be aware the plastic side marker support brackets are sandwiched in between the header panel and front bumper. If you are needing to replace the support brackets you'll have to separate the front bumper from the header panel to access these.

In this video, we will be installing new side markers, retaining screws, and bulbs.



  1. Disconnect the negative battery cable.
  2. How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86) - How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86)


  3. Remove the Phillips Head retaining screw.
  4. How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86) - How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86)


  5. Depending on the vehicle, the side markers at times can be a little tricky to remove so we found that a plastic pry tool works well to remove the front bumper. So first place some painters tape underneath the side marker so that you don't run the risk of marring or scratching the paint.
  6. How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86) - How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86)


  7. Lift the side marker up from the screw hole with your finger and then carefully bring the bottom of the marker out of the bumper with the pry tool.
  8. How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86) - How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86)


  9. There is a small tab on the backside of the side marker so you will have to move it down at an angle to fully remove from the bumper.
  10. How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86) - How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86)


  11. Rotate the bulb socket counterclockwise to remove from the side marker.
  12. How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86) - How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86)


  13. Use this time to remove any dirt and debris in this area.
  14. How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86) - How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86)


  15. Replace the bulb if needed.
  16. How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86) - How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86)


  17. Reconnect the negative battery cable and test for operation before continuing.
  18. How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86) - How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86)


  19. Whenever you verify that everything works, go ahead and disconnect the negative battery cable again.



  20. Reinstall the light socket in the new housing and rotate clockwise to set it into place.
  21. How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86) - How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86)


  22. Position the small upper tab into the front bumper first, followed by the bottom.
  23. How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86) - How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86)


  24. With the side marker now in place, install a new Phillips Head screw and tighten until snug. DO NOT OVERTIGHTEN.
  25. How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86) - How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86)


  26. Repeat these steps for the other side, reconnect the negative battery cable and you're all done!
  27. How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86) - How To Remove & Install 4 Eye Fox Body Mustang Side Markers (79-86)



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4 Eye Fox Body Mustang Side Markers & Components


About the Video

How To Remove & Install Fox Body Mustang Side Markers (1979-1986)

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Published on 2020-01-13
Follow along as Landan walks you through the step-by-step process of removing and installing Fox Body side markers on your 1979-1986 Mustang.