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1980 Honda CB900C Custom Wiring Harnesses & Sub-Wires

The 1980 CB900C Custom main harness has an exact model-year application, while its ignition-coil connecting harness and air-sensor lead are separate service pieces. Identify which section is damaged before ordering a main loom or assuming that every short wire comes with it.

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Honda CB1100 CB1000 CB900 CB750 ignition coil sub-wire harness "a" 32103-438-660

Honda CB1100 / CB1000 / CB900 / CB750 Ignition Coil Sub-Wire Harness "A" ~ Replaces 32103-438-660

$13.95 USD
24-4011
1979 Honda CB750F Motorcycle Parts 1979 Honda CB750K Motorcycle Parts 1979 Honda CB750L Motorcycle Parts 1980 Honda CB750C Motorcycle Parts 1980 Honda CB750F Motorcycle Parts 1980 Honda CB750K Motorcycle Parts 1980 Honda CB900C Motorcycle Parts 1981 Honda CB750C Motorcycle Parts 1981 Honda CB750F Motorcycle Parts 1981 Honda CB750K Motorcycle Parts 1981 Honda CB900C Motorcycle Parts 1981 Honda CB900F Motorcycle Parts 1982 Honda CB750C Motorcycle Parts 1982 Honda CB750F Motorcycle Parts 1982 Honda CB750K Motorcycle Parts 1982 Honda CB750SC Motorcycle Parts 1982 Honda CB900C Motorcycle Parts 1982 Honda CB900F Motorcycle Parts 1983 Honda CB1000C Motorcycle Parts 1983 Honda CB1100F Motorcycle Parts 1983 Honda CB750SC Motorcycle Parts Honda CB Electrical & Ignition Parts Honda CB Wiring Harnesses & Electrical Wiring Honda CB1000 Motorcycle Parts by Model & Year Honda CB750 DOHC Parts (1979–1982) Honda CB750 Motorcycle Parts by Model & Year Honda CB750C Custom Motorcycle Parts (1980–1982) Honda CB750F Motorcycle Parts (1975–1982) Honda CB750K Motorcycle Parts (1969–1982) Honda CB750SC Nighthawk Motorcycle Parts (1982–1986) Honda CB900 Motorcycle Parts by Model & Year Honda CB900C Custom Motorcycle Parts (1980–1982) Honda CB900F Supersport Motorcycle Parts (1981–1982) Series 3: CB700-750SC (82-86) Series 4: CB900-1100 (80-83)
Replace your ignition coil sub-harness with this Ignition Coil Sub-Wire Harness "A", replacing OEM #32103-438-660. Plugs into the main wire harness and connects to...
Honda CB900C wire harness 32100-461-000

1980 Honda CB900C Wire Harness ~ Replaces 32100-461-000

$129.95 USD
73-0934
1980 Honda CB900C Motorcycle Parts Honda CB Electrical & Ignition Parts Honda CB Wiring Harnesses & Electrical Wiring Honda CB900 Motorcycle Parts by Model & Year Honda CB900C Custom Motorcycle Parts (1980–1982) Series 4: CB900-1100 (80-83)
Replace your main wire harness with this Main Wire Harness Loom, replacing OEM #32100-461-000.Note: this fits the model year and type listed; other years...
Honda CB900C air sensor sub wire with rubber 32111-463-000

1980-82 Honda CB900C Air Sensor Sub Wire With Rubber ~ Replaces 32111-463-000

$14.95 USD
73-0908
1980 Honda CB900C Motorcycle Parts 1981 Honda CB900C Motorcycle Parts 1982 Honda CB900C Motorcycle Parts Honda CB Electrical & Ignition Parts Honda CB Switches & Sensors Honda CB Wiring Harnesses & Electrical Wiring Honda CB900 Motorcycle Parts by Model & Year Honda CB900C Custom Motorcycle Parts (1980–1982) Series 4: CB900-1100 (80-83)
Replace your air sensor sub wire with this Air Sensor Sub Wire with Rubber Cover, the wire that connects to and covers the air...
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1980 Honda CB900C Custom · Wiring Harnesses Buying guide

Choose a complete loom or repair the affected branch

The main harness for the 1980 Custom references 32100-461-000. Trace damaged wiring and identify any modified components before deciding whether a complete loom or a short connecting harness is needed.

Parts to consider

1980 Honda CB900C Wire Harness ~ Replaces 32100-461-000 1980 CB900C main harnessMain wiring loom replacing reference 32100-461-000. The product specifically limits application to the 1980 CB900C Custom.View part Honda CB1100 / CB1000 / CB900 / CB750 Ignition Coil Sub-Wire Harness "A" ~ Replaces 32103-438-660 Ignition coil sub-harness AConnects the main harness to the ignition coils and replaces reference 32103-438-660. Supplied separately from the main harness.View part 1980-82 Honda CB900C Air Sensor Sub Wire With Rubber ~ Replaces 32111-463-000 Air-sensor sub-wire and coverShort connecting wire with rubber cover for the CB900C air sensor, replacing reference 32111-463-000.View part

Keep main and sub-harnesses distinct

The 1980 main loom is not the listed 1981–82 harness. The ignition-coil sub-harness A is a separate connection to the coils and is not included with the main harness. The air-sensor item supplies only a short lead and rubber cover.

Route and test before returning to service

Use the correct wiring diagram, routing and clips, keeping the loom away from heat, sharp edges and moving parts. Check steering movement without pulling wires. Repair the cause of a short or overheated connector before applying power, then verify the affected circuits and fuse protection.

Practical questions

Do I need a complete loom for one failed coil or horn connection?

Inspect the fault’s extent first. A separately listed sub-harness may suit an isolated damaged branch, while damage spreading through the main loom may justify a larger repair. Confirm the mating connectors and circuit functions.

Can the 1980 and 1981–82 Custom main harnesses be treated as interchangeable?

The listings specify different applications and Honda references. Match the correct year and diagram rather than assuming similar plugs establish interchangeability or splicing an unverified loom to fit.

What should be checked if a connector has melted?

Identify excessive resistance, a loose terminal, a short or an incorrect connected component before fitting new wiring. Replacing only the damaged plastic can leave the cause of overheating in place.

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