So finally got it done. Went for a 'display' set up. I think works just great. Not in a way and looks good, making my Max more fancy :D
The simple harness I made is in the photo with a SH775 Mosfet (genuine used form Ebay, from Polaris ATV, part #4012941). But the one installed is SH847 (from...
Mine's a 2007 with now 47k km.
I couldn't find anything using search, so here is my asking about upgrading the voltage regulator to Mosfet FH0220, or even the bigger series regulator SH847. Where did you find the space to mount it? I got rid of the ignition coils running on C0PS, but still...