Rear lights
 

2000 model v70 left rear lights not working not the brake lights there fine checked bulbs fine even put new bulbs in still no go could it be a fuse which one there are so many any help before auto electrician also front sidelight out

yes common fuse for side / tail light on each side of car.

11C23 & 11C24 are the 2 fuses in question which should be in the fuse box under the dash I think.

https://i.imgur.com/FgCP0uX.jpg

Rear lights
 

Thanks for the location of fuses it was no 30 drivers door side in end of dashboard