Fog Light Switch Problems of Mercury Marauder

2004 Mercury Marauder headlights occasionally stop functioning without warning. Running lights and fog lights continue working, no low/high beam headlights at all. Switch seems to be the issue, fuses are fine and no bulbs out. Recently had dealership replace driver side headlight, only change to vehicle before issue started. Possible issue continues in daytime, but headlights are not as needed in daylight. Due to necessary driving at night on high speed and unlit country roads, this is a serious issue.

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On the above date while leaving a place of business at approximately 10:15 pm I had no head lights. The headlight autolamp position nor the headlight manual position would turn the headlights on. I spent about 00:20 minutes trying to get the headlights to come on. I had to drive about 3 miles along a very dark secondary road in south carolina with only the fog lights working before the head lights eventually came on. The next evening more time was spent trying to get the headlights to come on, but nothing has worked. The headlights have not worked since. I have been trying to get the headlight autolamp position to turn on the headlights and I have been trying the headlight manual position to work but neither of the headlight positions is working on the car. I have a car that I can only drive during the day light hours. My research has lead me to believe that it is the 'lighting control module' that is malfunctioning.

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While driving at night headlights stopped working fog lights stayed on,just got hard to see,had to hold the signal lever in the ''flash to pass'' to see the road. After work I pray that my headlights will come on. Now if I stop for a coffee and shut the car off for a few minutes the headlights will not come back on. I then need to leave the car running so they stay on.