The heated screen on my my 2011 +4 failed after about a year. Removing the dash, I found that the bullet connectors had never seen a soldering iron and one of the wires had simply dropped out. They were on the steering wheel side of the dash.

Doug
2011 Plus 4 in Rich Maroon

1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900