- 1). Open the hood and unplug the electrical connector running to your fog lamp ballast. Squeeze the release tab on the top of the plug and pull the connection apart.
- 2). Turn the ballast counterclockwise to unlock the bulb and pull the bulb straight out of the fog light assembly.
- 3). Insert the new bulb into the assembly and turn the bulb clockwise to lock it into the housing.
- 4). Connect the electrical connector to the back of the ballast.
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