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Ford Mustang V6 and Mustang GT 1994-2004: How to Replace Headlights and Fog Lights

Replacing the headlight as well as fog light bulbs is a quick and easy process in the Ford Mustang. Whether you want to change the type of bulb you have or you have a burnt out bulb, here's how to do it yourself.

By Bassem Girgis - October 8, 2015

This article applies to the Ford Mustang V6 and Mustang GT (1994-2004).

At some point of your Ford Mustang's life, you will have to replace a bulb; sometimes this happens many times. Upgrading the bulbs in your headlights and fog lights is also a common cause for replacement. So, regardless of the reason, this is a DIY you need to know. A shop could charge you upwards of 100 dollars, while if you do it at home, you would be done and driving within ten minutes. Read on to learn how to replace the headlights and the fog lights in your Mustang.

Materials Needed

  • Flat head screwdriver
  • New bulb

Warning

Don't touch the bulb's glass part with your bare hands, the oils from your skin can ruin it. Either wear gloves, or hold it from the plastic part.

Headlights

Step 1 – Remove the headlight bulb

Open the hood on your Ford Mustang. Pull up on the two fasteners on top of the headlight assembly you will be working on. If you can't pull it up by hand, pry it up gently using your flat head screwdriver. There should be two fasteners holding the headlight assembly in place. Pull the whole assembly out, disconnect the bulb assembly, then remove the bulb by twisting it counterclockwise.

Figure 1. Pull the two fasteners up (circled).

Step 2 – Install the new bulb

Install the new bulb by turning it clockwise to lock it in place. Connect the bulb assembly (connector) by locking it into place with the bulb. Align the headlight assembly back into place, then push the two fasteners down. Give the headlight a test, if it doesn't work, make sure the bulb connector is locked into place.

Figure 2. The connector (right) locks right into the bulb (left).

Fog Lights

Step 1 – Remove the old bulb

Slide under your Mustang's bumper, and remove the fog light bulb you need to replace. Simply disconnect the connector going into the bulb by squeezing it from the sides and pulling out; twist it counterclockwise for half a turn, and then pull it out.

Figure 3. Remove the fog light bulb.

Step 2 – Install the new bulb

Installation is reverse of removal. So, lock the new bulb into place by twisting it clockwise for half a turn. Then connect the bulb's connector by simply pushing in. Test the fog lights and enjoy a safe drive.

Figure 4. Test your fog lights.

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