Electrical problem
2000 Ford Focus 4 cyl Two Wheel Drive Automatic 95000 miles
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The lights inside my car work when i turn them on, although one of them is not working... when i open my door there is no light that turns on, so i am left in the dark when there is no light. Do i need to replace a light or a fuse? or is it something else?

Do they turn on when you open the passenger door?If so it may be bad switch in the drivers door. Have seen them get sticky, try using WD-40 to lube the latch assembly (this is where the other switch is as well) close and open the door a few times and let the lube work its way in. If they dont come on when you open pass door, you may have a problem with the body controller.