Yamaha SR400 2014 Service Manual page 269

LIGHTING SYSTEM
5. Battery
6. Main fuse
7. Main switch
11.Signaling system fuse
12.Headlight fuse
24.ECU (engine control unit)
35.Joint coupler
36.Frame ground
39.Speedometer
42.Meter light
44.Tachometer
47.High beam indicator light
52.Headlight relay (on/off)
53.Left handlebar switch
54.Pass switch
55.Dimmer switch
58.Tail/brake light
63.Headlight
64.Auxiliary light
7-12