Honda Wiring Diagram

Wiring diagrams can be invaluable when troubleshooting or diagnosing electrical problems in motorcycles. These Honda wiring diagrams are from our personal collection of literature and schematics. The copyrights remain with the original holders.

The color code legend in the chart applies to most, but not all Hondas.

Refer to the Need to Know pages for tools required to work on electrical systems.


Wiring Diagrams (aka Wire Schematics) available on WeeksMotorcycle.com

Vintage ST50

CT70 Mini Trail

ST70, ST70D models

1983 CB1100F Wiring Diagram



Honda Wiring Diagram
Wire Color Code Legend
BK Black
BK/W Black with White tracer
BL or B Blue
BR Brown
BR/R Brown with Red tracer
BR/W Brown with White tracer
B/R Blue with Red tracer
G Green
GR Gray
G.Y Green with Yellow Spiral
G/Y Green with Yellow tracer
LB Light Blue
LG Light Green
LG.R Light Green with Red Spiral
LG. Tube Light Green Tube
LG/R Light Green/Red
O Orange
P Pink
R Red
R. Tube Red Tube
R.W Red with White Spiral
W White
Y Yellow
Y. Tube Yellow Tube
Y/R Yellow with Red tracer
YG Yellowish Green
BR.R Brown with Red Spiral






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