Bulb number 168.
Start with checking the fuses.
North Dakota
A Buick Century License Plate Bulb replacement can be done at home. You can go to any auto store to purchase the replacement part. Replacement can also be done at dealerships if needed.
North Dakota
North Dakota
It shouldn't have, or need, its own fuse. It should share a fuse with the marker lights <sometimes referred to as 'Park(ing) lights'>.
Yes
For the rear plate yes, but not the front one.
Probably
The 2001 Ford Focus Owner Guide shows : ( C-5W , license plate lamp )
That would be the pressure plate.
If your license plate light is out change the bulb in it, if you have taillights your fuse is good as the license plate light uses the same fuse as the taillights.