Hi Zdenek
Unfortunately the MLU advance search is not as easy as one might hope, in particular Find Post from setting often seems to default to a short period of time.
Once you have fixed that then searches become more productive. Here is a Advanced search on the word "wiring" and Post Made By: Phil Waterman that I've narrowed down to those with information more directly related to Pattern 11 & 12.
Wiring Harness Info Search on Word “wiring"
The Snakes Alive CMP Wiring Project
http://www.mapleleafup.net/forums/sh...ghlight=wiring
wiring harness
http://www.mapleleafup.net/forums/sh...ghlight=wiring
Rewiring
http://www.mapleleafup.net/forums/sh...ghlight=wiring
Wiring rehab
http://www.mapleleafup.net/forums/sh...ghlight=wiring
Wiring loom Cab 12 F60L
http://www.mapleleafup.net/forums/sh...ghlight=wiring
http://www.mapleleafup.net/forums/sh...ing#post125598
Hope it will give you a start. I'll start looking through my Pat 12 C60L wiring photos to look for the most helpful.
Cheers Phil