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1976 Honda CB550F Wiring Harnesses

Choose the main or junction-panel wiring loom for your 1976 Honda CB550F by tracing the section that needs renewal. Compare the fitted connectors before ordering. Replacement ignition, charging units or custom lighting can leave connections that differ from the original wiring diagram.

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Honda CB750 CB550 CB400 pilot turn signal light cover 37600-377-018

Honda CB750 / CB550 / CB400 Pilot Turn Signal Light Cover ~ Replaces 37600-377-018

$54.95 USD
99-4819
Restore your gauge cluster with this replacement Pilot Indicator Light Cover — a direct fit for OEM #37600‑377‑018. This part includes both the front...
Honda CB550F CB550K sub wire harness 32105-390-000

1975-78 Honda CB550F / CB550K Sub Wire Harness ~ Replaces 32105-390-000

$29.95 USD
73-0123
Replace your CB550 sub wire harness with this Sub Wire Harness (Junction Panel Harness), the sub harness on the bike that many electrical components...
Honda CB550F wire harness 32100-390-010

1975-77 Honda CB550F Wire Harness ~ Replaces 32100-390-010

$99.95 USD
24-4015
Replace your CB550F Supersport wire harness with this Main Wire Harness Loom, replacing OEM #32100-390-010 / #32100-390-000.Key Features• Main wire harness loom• Replaces OEM...
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1976 Honda CB550F · Wiring Harnesses Buying guide

Replace the wiring section your repair calls for

The main loom and junction-panel sub harness are separate wiring sections. Locate the damaged or altered runs on the diagram, then compare the motorcycle’s existing component plugs before selecting the replacement.

Parts to consider

1975-77 Honda CB550F Wire Harness ~ Replaces 32100-390-010 CB550F main wiring loomMain loom for the 1975–77 CB550F, replacing references 32100-390-010 and 32100-390-000.View part 1975-78 Honda CB550F / CB550K Sub Wire Harness ~ Replaces 32105-390-000 Junction-panel sub harnessSeparate sub harness connecting components such as the fuse box, starter switch and rectifier; reference 32105-390-000.View part

Use the diagram to choose the section

The main loom is the model-specific main harness. The sub harness replaces junction-panel wiring that connects components such as the fuse box and rectifier. Compare the section on your motorcycle before ordering; buying the other wiring product will not address the same damaged runs.

Keep conversion instructions with the wiring plan

A Dyna S ignition, combined regulator or changed lighting may have introduced different connections. Compare those installations with their instructions and the replacement loom before fitting it. Renewing original wiring does not automatically restore missing aftermarket connectors or make a modified circuit identical to the stock diagram.

Buying questions

Is the junction-panel harness another name for the main loom?

No. It is a separate sub harness connecting components such as the fuse box, starter switch and rectifier. The main loom serves the main wiring runs. Trace the damaged section and compare its connections before choosing between them.

What should I compare on a bike with custom lighting?

Check the light connections and any added or altered wiring against the replacement loom and the lighting instructions. The CB550F application covers the loom, while custom lamp connectors and circuit changes still need their own compatibility check.

Will a new loom supply a replacement fuse box?

The wiring loom is a wiring product, not a complete set of electrical components. Assess the existing fuse box and switches separately, comparing their connectors and mounting before retaining or replacing them during the wiring repair.

Not sure which part you need?

Send your model and year, plus photos of your existing part and any changes to the original setup.

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