so the beta came with a red/black button on the handlebar with the black button being the kill switch. 
  
got a kill switch from santa but being a numpty I dont really know where to 'plug it in' 
  
https://www.dropbox.com/s/6hl8azh0tg1c2v5/IMG_20160103_130725.jpg?dl=0 
  
https://www.dropbox.com/s/lesezlc0ec8vhoa/IMG_20160103_130711.jpg?dl=0 
  
guess the brown ring is some sort of earth, 
  
any suggestions oh wise ones ? 
  
Cheers 
  
Chris