V3 Volvo Fh13 fuse 78 location please??

Hi , I’ve searched every where for this fuse with no joy, it’s not under the main fuses, it’s not in passenger foot week, it’s not in the black cage . In handbook it says “Fuses in 3-Pos. fuse holder beside FRC” what’s the FRC?
All help appreciated.

viewtopic.php?f=2&t=59630&start=0

Is that it?

Not there either, found that post but no solution

found this? viewtopic.php?f=2&t=65551

Check that post too, still no resolution…
starting to bug me lol

Any help? docplayer.net/23933641-Operating … ays-t.html

Fuse 78 What does it control.

The bed side 24v outlet, try the fuses behind the passenger side lower kick panel. See photo