I think this would be the thread with the photos
https://micra.org.uk/cmf/message/10772
This photo is my original cluster out of a JDM 1994 5spd CG10DE powered K11.
I took the speedo out this & swapped it into a rev counter version which is currently in the car.
It all works perfectly.
If your UK made loom has the same plugs, it wouldn't take much to swap the pins around. I've done it before with N14 Pulsar clusters, of which there are many versions.
There are 30 pins total but some aren't used on my loom, e.g. OD off light & ABS lights, and this cluster has 5 pins that go nowhere, one of them is the connection for rev counter. Each plug has pins numbered, 1-8, 9-18, 19-30. I haven't put a meter over everything but this is how it looks:
1=ABS
2=no connection
3=cat overheat
4=alternator
5=brake light
6=fuel light
7=no connection
8=temp gauge U connection
9=illumination
10=illumination
11=no connection
12=no connection
13=check engine light
14=left turn indicator
15=no connection
16=common (also connects with 21, 27)
17=right turn indicator
18=O/D ECVT
19=no connection
20=connected to speedo
21=common (also connects with 16, 27)
22=something to do with ABS
23=connected to speedo
24=seatbelt light
25=connected to (-) on fuel & temp gauges
26=connected to (U) on fuel gauge
27=common, connected to (+) on fuel & temp gauges, (also connects with 16, 21)
28=oil pressure light
29=highbeam light
30=highbeam light
Compared with the pinout of the UK version shown on the post above, it certainly looks rearranged. Note the pin numbering is also different, look at the number of pins in each plug.