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1973 Honda CB750K Wiring Harnesses

The wiring selection for the 1973 CB750K includes a year-specific main loom and smaller harnesses for individual circuits. Identify the section you need before ordering. A main harness, alternator harness and oil-pressure-switch wire assembly have different descriptions and replacement references.

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Honda CB750 alternator stator wire harness 31110-300-154

1969-78 Honda CB750 Alternator Stator Wire Harness ~ Replaces 31110-300-154

$21.95 USD
24-4021
Replace your alternator stator wire harness with this Alternator Stator Wire Harness. Same 7-wire plug as the OEM part and hooks up without alterations....
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Honda CB750K CB550K CB500K pilot lamp turn signal panel dash harness 37581-323-000

1971-76 Honda CB750K / CB550K / CB500K Pilot Lamp Turn Signal Panel Dash Harness ~ Replaces 37581-323-000

$44.95 USD
11-2181
Restore your instrument panel's indicator lights with this Pilot Lamp Indicator Panel Dash Harness, replacing OEM #37581-323-000 / #37581-374-670. Comes complete with bulbs.Key Features•...
Honda CB750 oil pressure switch wire assembly 31270-300-154

1969-78 Honda CB750 Oil Pressure Switch Wire Assembly ~ Replaces 31270-300-154

$31.95 USD
24-4020
Replace your oil pressure switch wire with this Oil Pressure Switch Wire Assembly, including the wire and rubber cover. Replaces OEM #31270-300-154 / #31270-300-005.Key...
Honda CB750K wire harness 32100-341-703

1973-75 Honda CB750K Wire Harness ~ Replaces 32100-341-703

$99.95 USD
24-4001
Replace your wire harness with this Main Wire Harness Loom, replacing OEM #32100-341-703.These fit only the model year and type listed. Other years and...
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1973 Honda CB750K · Wiring Harness Buying guide

Choose the correct section of the loom

The main harness is listed for the 1973–75 CB750K. Smaller alternator and oil-pressure-switch assemblies address their named circuits, so compare the damaged section and its connectors before choosing the scope of the replacement.

Parts to consider

1973-75 Honda CB750K Wire Harness ~ Replaces 32100-341-703 1973–75 CB750K main loomMain wire harness replacing reference 32100-341-703, with a model-and-year-specific application.View part 1969-78 Honda CB750 Alternator Stator Wire Harness ~ Replaces 31110-300-154 Alternator wiring harnessAlternator stator harness with the listed seven-wire plug; replaces reference 31110-300-154.View part 1969-78 Honda CB750 Oil Pressure Switch Wire Assembly ~ Replaces 31270-300-154 Oil pressure switch wiringWire assembly supplied with a rubber cover; references 31270-300-154 and 31270-300-005.View part

Take the main harness application literally

Main loom reference 32100-341-703 is specifically listed for the 1973–75 CB750K. The source warns that other years and model types use different part numbers. Confirm that the fitted wiring still follows that arrangement before choosing a similar-looking loom.

Use a smaller harness when that is the part needed

The alternator harness has a seven-wire plug. The oil-pressure-switch wire assembly includes a rubber cover. Compare those local wiring sections before buying a main loom when only one circuit’s wiring needs replacement.

Common questions

Can I use a neighbouring model-year main loom?

The featured loom is specified for the 1973–75 CB750K only, reference 32100-341-703. Other year/type applications use different part numbers. Match the motorcycle and actual wiring rather than selecting by appearance.

Does the oil pressure wire assembly include a cover?

Yes. The oil-pressure wire assembly includes its rubber cover and references 31270-300-154 / 31270-300-005. Choose it for that wiring repair rather than assuming a replacement switch supplies the same pieces.

What connector detail identifies the alternator harness?

It uses a seven-wire plug and references 31110-300-154. Compare that connector with the retained stator wiring, especially after earlier electrical changes. It is the alternator section, separate from the main loom.

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