Tails lights dont work on my 2000 grand marquis

Asked by GrandMarquisMan Sep 27, 2019 at 09:26 AM about the 2000 Mercury Grand Marquis GS

Question type: Maintenance & Repair

My car inside lights doesn't work at all or my tail lights
doesn't work but the 3rd brake light does dont know
what's going on car didn't come with manual on my grand
marquis 2000

2 Answers


You'll need a multi tester to start in the back and trace wires till you find power , old worn sockets can do weird things , everything needs a ground


Check all your fuses parking light and interior lights on same fuse.

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