For anyone that hasn't found it the long TM thread that Rog initiated starts
here. Pretty much all information on his full standard relay based replacement of PCB is there if you sift through.
Julian, sad to say the 2006 - 2014 parts book wiring schematics have many errors but even more omissions. I know the fuse box labeling on later chassis loom schematic has fuse box numbering 11 - 20 reversed for example.