Check for a blown fuse.
The Fuse for Licence Plate Lights on a Jaguar XJ8 [1999] is Located in the Fuse Box in the boot/Trunk on the right hand side it is Fuse No.-19 and is a 5AMP one.
ebay
Dexcool
7 litres
100K
Yes, unless Jaguar recommends you only use full synthetic.
how do you remove camshaft sensor on jaguar xj8
Overrride the valet mode in an xj8 2000 jaguar
I have a Jaguar XJ8 1998. the bolt pattern is 5X120
where are thev timing markson a 1999 xj8 jaguar
The location would be in the owner's manual if it is still with the vehicle. If not, Jaguar is really good about catagorizing their fuse box locations with components. It will more than likely be in the trunk fuse box next to the battery.