2010 Te450 start button stopped working

Happened almost over night. The button stopped working.
Kicks first or second go, so that's a plus, just was asking on how the button works, I've belled out the cut off switch, seem to be fine, and belled the push start button, bells out OK. Must be down the loom somewhere, any idea where the push button leads to, just pulling apart the bike this afternoon and want to sort it out while it is in pieces

Dean

fixed!

after pulling my bike apart, it was just the spade lugs under the clutch leaver switch came loose