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Honda Motorcycle Wiring Color Codes
Modern Honda motorcycles use a standardized system of wiring the components of the electrical system together. There are international standards for such things, but it has not been possible to confirm if Honda adheres to any such international standards or not. The following table shows many of the wire colors used:
| Color | Use | From | To |
| Black | a. Switched Hot b. Switched Hot c. Switched Hot d. Battery Voltage Sense Lead |
a. Ignition Switch b. Ignition Switch c. Ignition Switch d. Ignition Switch |
a. Fuse Box b.Handlebar Switch c. Starter Switch d. Voltage Regulator |
| Black/Brown | Fused Hot: Neutral Light Oil Light |
Fuse Box | Neutral Light Oil Light |
| Black/Red | Fused Hot: [Headlights] |
Fuse Box | Starter Switch |
| Black/White | Ignition System Hot | Ignition Handlebar Switch | Coils & T.P.I. Box |
| Blue/White | Switched Hot | Starter Switch | Dip/Dimmer Switch |
| Brown | Tail/Rear Lights | Brown/White Ignition Switch | Brown Lead |
| Brown/Black | Fused Hot: Running/Position Lights Instrument Lights |
Fuse Box | Brown/White Lead |
| Brown/White | Running/Position Lights Meter Lights Tail/Rear Lights |
Brown/White Brown/White Brown/White |
Turn Signal Switch Meters Ignition Switch |
| Green | Ground | Load | Ground |
| Green/Red | Starter Safety Circuit | Starter Relay Diode | Clutch Switch |
| Green/Yellow | Brake Light | Brake Switch | Brake Lamp |
| Grey | Hot: Indicator/Turn Signal |
Relay | Indicator/Turn Signal Switch |
| Light Green | Horn Circuit | Horn | Horn Switch |
| Light Green/Red | Neutral Light Circuit | Neutral Lamp | Neutral Switch |
| Orange/Light Blue | Switched Hot: Indicator/Turn Signal |
Indicator/Turn Signal Switch | Indicator/Turn Signal Bulbs |
| Orange/White Light Blue/White |
Front Running Lights | Indicator/Turn Signal Switch | Brown |
| Red | Hot | Battery | Ignition Switch |
| Red/White | Charging Lead | Rectifier | Battery |
| White | Switched Hot: Low/Dipped Beam |
Dip/Dimmer Switch | Headlight |
| Blue | Switched Hot: High/Main Beam |
Dip/Dimmer Switch | Headlight |
| White/Green | Fused Hot: Indicator/Turn Signal Horn Brake Light |
Fuse Box Fuse Box Fuse Box |
Indicator/Turn Signal Relay Horn Brake Light Switches |
| Yellow | Charging System | Stator | Regulator/Rectifier |
| Yellow/Blue | Ignition System | Coil | T.P.I. Box |
| Yellow | Starter Circuit | Starter Switch | Starter Relay |
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Copyright © VSource.org 1999-2006 [Sources: Various Honda manuals and The Wire Colour Guide] |