- 1). Park your Grand Marquis, turn off the headlamps and switch off the engine. Pull the hood release lever located beneath the dash to the left of the steering wheel.
- 2). Depress the auxiliary hood release catch below the front tip of the hood and lift the hood up. The Grand Marquis has counterbalance hinges that automatically hold the hood up.
- 3). Twist the three knobs on the protective cover behind the headlight assembly counterclockwise. Grasp the protective cover and lift it away from the headlight assembly.
- 4). Reach into the engine bay, behind the corner light assembly, and depress the clip on the electrical connector that connects to the bulb socket. Pull the electrical connector directly off the bulb socket.
- 5). Grasp the corner light bulb socket and twist counterclockwise. Pull it out of the corner light assembly.
- 6). Pull the bulb directly out of the light socket. Replace with a new bulb, if necessary. Reverse removal steps to replace the bulb in the corner light assembly.
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