I bought a new RCL box (behind the headlining near interior light) from ford for £80 but it turns out it didn't need it. I kept the new one anyway and selling the old one which works fine. Turns out it was just a fuse that needed replacing not the RCL.
£50
PWRR.
https://imgur.com/z5p2FgM
https://imgur.com/P5Hcf8l
https://imgur.com/D6WdcZm