Need some expert help as both lights not working and obviously failed MOT (all rear lights are working). I've done the obvious and changed bulbs, but still nothing. Checked f4 fuse and that was intact, also swapped another 5a to double check. Cables are green/grey and brown going into the holder.

 

So need help re sorting this. Thanks

Sorted. Loose connection situated at left side of boot where the loom is jointed by yellow connector. This has a factory fitted foam barrier around it FYI

Sorted. Loose connection situated at left side of boot where the loom is jointed by yellow connector. this problom my car now work