Disco 1 Rear Fogs and MFU

Got no rear fog lights so checked the fuse, no power down at the fuse. Ran the MFU diagnopstic check and no beep when Fog light switch pressed.

How easy is it to replace MFU? Or shall I just run new power to the fuse board outlet and see if that works??

Getting at the two screws at the side of the fuse board can be a bit of a pain, but once the fuse board is loose and u have access to the rear the MFU, just unplug a lead and the unit from the fuse board, simples.

It's a bit iffy installing a power supply to the fuse board without knowing it going to work correctly before hand, aren't u going to do any tests?.

I had a wiper fault recently and think this may of also been MFU related so will probably just change it out!!

Seperate power idea was just a thought that if I get power to the switch the electric genie would make it work but I had that thought before I found out the the MFU controls the functions so over than trying it, I guess it will probably fail as an idea!!