The LCM (lighting control module) is going bad. Ford has a recall that affects your vehicle. Copy and paste the link that I will post below.
https://www.consumeraffairs.com/news/ford-recalls-older-model- crown-victoria-and-mercury-grand-marquis-vehicles-010416.html
https://www- odi.nhtsa.dot.gov/acms/cs/jaxrs/download/doc/UCM536664/RCMN -15V861-8593.pdf
All my lights went out while I was driving home at night.
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