VintageCB750 Supplying CB Riders Since 2010

About Us Why Us? Reviews Shipping Info Returns Contact Us
Wish Lists
0 My Cart

Your cart is currently empty.

Browse all parts
Total (USD): $0.00
View cart
Menu
Search
Wish
Cart 0
My motorcycle Choose your Honda CB model

Search parts

Searching all Honda CB parts

Example: brake pads or oil filter.

1972 Honda CB500K Main Loom & Separate Sub-Harnesses

The 1972 Honda CB500K wiring selection includes a main loom and several smaller harnesses. Identify the damaged branch before buying. The main harness references 32100-323-040; the separately listed 32105-323-030 sub-harness is explicitly for the 1972 K1 and 1973 K2 models.

Close ×
Your saved bike Choose your Honda CB model

Shop By Category

Most orders ship same or next business day Fitment guarantee Listed for your exact model and year? We’ll make it right if it doesn’t fit as described. Mechanic-backed support Ask our team for help choosing the right Honda CB part.
Currently viewing Wiring Harness

Honda motorcycle parts

Choose your model and year to see parts listed for your bike.

New
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 CB550 CB500 front brake light switch sub harness 35345-319-000

Honda CB Front Brake Light Switch Sub Harness ~ Replaces 35345-319-000

$7.00 USD
73-0104
Replace your front stop switch sub harness with this Front Stop / Brake Switch Sub Harness, replacing OEM #35345-319-000.Key Features• Front stop / brake...
Honda CB500K wire harness 32100-323-040

1972-73 Honda CB500K Wire Harness ~ Replaces 32100-323-040

$89.95 USD
73-0931
Replace your CB500K main wire harness with this Main Wire Harness Loom, OEM #32100-323-040.Note: this fits the model years and types listed; other years...
Honda CB500K sub wire harness 32105-323-030

1972-73 Honda CB500K Sub Wire Harness ~ Replaces Honda OEM 32105-323-030

$34.95 USD
24-6029
Replace brittle, cracked, corroded, or modified sub wiring on your Honda CB500K with this aftermarket sub wire harness made to replace Honda OEM 32105-323-030....
compare

1972 Honda CB500K · Wiring Harnesses Buying guide

Identify the full loom or the particular wiring branch

The main loom and model-specific sub-harness are separately supplied assemblies. A pilot-lamp harness includes its bulbs, while the front stop-switch branch supplies wiring only. Compare connectors and routing to identify the appropriate repair rather than choosing by the word harness.

Parts to consider

1972-73 Honda CB500K Wire Harness ~ Replaces 32100-323-040 Main loom for the 1972–73 CB500KOne main harness references Honda 32100-323-040. It does not include switches, lamps, ignition equipment, charging components or separate sub-harnesses.View part 1972-73 Honda CB500K Sub Wire Harness ~ Replaces Honda OEM 32105-323-030 CB500K1/K2 replacement sub-harnessOne aftermarket sub-harness references Honda 32105-323-030, with explicit 1972 CB500K1 and 1973 CB500K2 application. The main loom is not included.View part 1971-76 Honda CB750K / CB550K / CB500K Pilot Lamp Turn Signal Panel Dash Harness ~ Replaces 37581-323-000 Indicator harness complete with bulbsSupplies the dash pilot-lamp harness with bulbs, referenced to Honda 37581-323-000 and 37581-374-670. Compare its sockets and connectors with the retained panel.View part

Related parts: Front stop-switch wiring branch

Use the reference to distinguish main from sub wiring

The two CB500K loom listings have different Honda numbers and different scopes. The main harness is 32100-323-040; the separate sub-harness is 32105-323-030. Compare the actual branch routing and connectors before ordering, particularly where an earlier repair has changed wire ends or introduced mixed-year components.

Read small-harness contents before rebuilding a circuit

The dash harness includes bulbs, but the front stop-switch branch excludes its switch. Neither should be taken as the complete motorcycle loom. Identify the small assembly and the connected component separately so the repair order includes the wiring and only the additional parts that need replacement.

Wiring Harnesses FAQs

Which references distinguish the main loom from the separate model-specific sub-harness?

The main loom uses Honda 32100-323-040; the separate sub-harness uses 32105-323-030. Both list the 1972 CB500K. Match the damaged assembly’s connectors and routing to its reference before choosing how much of the wiring needs replacement.

Which indicator wiring purchase supplies bulbs?

The pilot-lamp dash harness is listed complete with bulbs. Check its sockets and connections against the existing panel. The main loom and other sub-harnesses have different contents and should not be assumed to include the same lighting components.

What needs matching if the bike has been rewired with mixed-year connectors?

Compare connectors, wire colours, terminal ends and routing with the original assembly. The 32105-323-030 sub-harness listing specifically calls for those checks on rewired or mixed-year installations; the model name alone does not establish a connector match.

Not sure which part you need?

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

Ask a fitment question
Parts categories for 1972 Honda CB500K Four

Your cart

×