Installing HID Foglights in 2005-2009 Mustang GTs

In this writeup we go over the installation process of an HID Foglight kit on the 2005-2009 Mustang GTs.

Tools Required:

  • 10 MM Socket
  • Flat Head Screwdriver

Use a flat head screw driver to remove the (6) push pins from the radiator shroud cover as shown below.

Once the cover is removed, there are two 10MM bolts that need to be removed. The passenger side bolt is pointed out below.

Work with one side at a time. Once the bolt is removed, pull the bumper up over the notch as pointed out below. This will allow you to pull the bumper/grille assembly outward and eventually off the vehicle.

As you pull the bumper over the notch, grasp the grille and pull it outward. There are two black tabs that must be released from the bumper. The tabs are pointed out in the pictures below. Once you have one side freed from the bumper, move to the other side and repeat. The grille should now be free.

Once the grille is removed and you have access, grasp the bulb and turn it counter-clockwise to release it from its housing.

Now that the bulb is freed from the housing, you’ll want to remove it from the stock harness. Use your thumb as shown below to press the tab and release the bulb.

Now you can go ahead and install the new HID bulb by turning it in clockwise. You can also mount your ballast. There is more than enough space to position it behind the headlamp bulb and then pass the wires over to the foglamp.

Next, we’ll connect the power from the HID bulb to the stock foglight harness. You’ll notice two thin wires going into the passenger side harness. There is a black and red wire as shown below.

Take the red wire coming off the HID bulb and plug it into the stock foglight harness where the red wire is coming through on the other side. Take the black wire coming off the HID bulb and plug it into the other slot where the black wire is coming through on the other side.

The final step is to connect the three plug in connections from the ballast to the bulbs. Now test to make sure the passenger side HID bulb is working. Turn the key to the on position and test the foglamp.

Now, we’ll repeat the same process for the driver’s side foglamp. The only difference is in the wire colors on the stock harness.

As shown in the picture below, the driver’s side harness contains a blue and black wire instead of red and black. The blue wire is the power so connect the red wire from the HID bulb to the slot where the blue wire is going in on the other side. Plug the black wire from the HID bulb into the other slot on the stock harness.

Now you can mount your ballast and pass the wires over to the foglamp area.

Finish the installation by making the three plug in connections.

Re attach the grille to the bumper by lining up the tabs and pressing the grille in place. Re-install the two 10MM bolts. Finally, re-install the radiator shroud cover with the 6 push pins and this will complete the installation process.

It is important to note that we have the HID headlight kit installed also. Mounting all four ballasts and hiding the wiring was extremely simple. After completing our installation, it is almost unnoticeable that we even have an aftermarket HID system installed. Whats great is that for less than the cost of a factory upgrade, you can install both the Bixenon HID headlight and foglight kit and get exceptional lighting and stunning good looks.

You can find our 2005-2009 GT foglight HID kits here: http://www.stangmods.com/2005-Mustang-HID-Fog-Light-Kit-p/00901.htm

Author: stangmods

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