So you have vintage BMW motorcycle? If you have R75/5 1973, her is the wiring diagram for do it your self repair service. For latest kick starter engine of BMW bike, this bike really awesome. With four Stroke engine opposed-twin (boxer) engines with hemispherical combustion chambers, and air cooled is main engine configuration. You can view the wiring diagram here, and explanation of wiring below:
1. Turn signal switch
2. Head light
a. Turn signal flasher
b. Head light high beam
c. Head light low beam
d. Parking light
e. Cable connector
f. Ignition and light switch
g. High beam indicator light (blue)
h. Instrument illumination
j. Oil pressure indicator light
(orange)
k. Neutral indicator light (green)
l. Battery charging indicator light (red)
3. Dimmer switch
4. Turn signal, front, right
5. Hand brake stop light switch
6. Turn signal, front, left
7. Ground connection on frame for ignition coils
8. Relay for repeat start prevention
9. Horn
10. Contact breaker
11. Ignition coils
12. Condenser
13. Neutral indicator light switch
14. Oil pressure indicator light switch
15. Foot brake stop light switch
16. Diode plate
17. Spark plugs with caps
18. Three-phase alternator
19. Plug connection in wiring harness
20. Turn signal, rear, right
21. Tail light
j. Rear light and license plate illumination
k. Stop light
22. Turn signal, rear left
23. Voltage regulator
24. Battery
25. Ground connection on transmission cover
26. Starter motor
Wiring color coding:
BL = blue
BR = brown
GE = amber
GR = grey
GN = green
RT = red
SW = Black
WS = white