YFM400FWN Wiring Diagrams
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2000 Yamaha YFM400 FWN
Big Bear 4WD (YFM400FWNM & YFM400FWNMC)
Yamaha Model Code -
YFM400FWN wiring diagrams and electrical component list. Electrical components shown in the
schematic correspond to the numbered list just above it. For an explanation of the wire color codes,
please go to
Yamaha Wire Color Code Legend
Wiring diagram and electrical component list. Electrical components
shown in the schematic correspond to the numbered list just above it.
1. CDI Magneto
2. Rectifier - Regulator
3. Main Switch
4. Battery
5. Main Fuse
6. Starter Relay
7. Starter Motor
8. Starting Circuit Cut-off Relay
9. CDI Unit
10. Ignition Coil
11. Spark Plug
12. Rear Brake Switch
13. Circuit Breaker {fan motor}
14. Fan Motor Relay
15. Fan Motor
16. Fan Motor Control Unit
17. Thermo Unit
18. Diode
19. Oil Temperature Warning Light
20. Auxiliary DC Jack
21. Reverse Indicator Light
22. Neutral Indicator Light
23. Gear Position Switch
24. Thermo Switch
25. Carburetor Warmer
26. Headlight
27. Tail Light
28. Handlebar Switch {left}
29. Lights Switch
30. Engine Stop Switch
31. Starter Switch
32. Fuse Box
33. Headlight Fuse
34. Auxiliary DC Jack Fuse
35. Ignition Fuse
36. Carburetor Warmer Fuse
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