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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

VSource.org Home Copyright © VSource.org 1999-2006 [Sources: Various Honda manuals and The Wire Colour Guide]