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1982 Honda CB650SC Nighthawk Oil & Brake-Light Switches

An oil-warning issue and a rear brake-light fault need different checks on the 1982 CB650SC. Identify the affected circuit before ordering a switch. Compare its reference, mounting and connections with the fitted parts, especially where the motorcycle has modified controls or previous wiring repairs.

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Honda CB900 CB750 CB650 CB550 CB500 oil pressure switch 37240-P13-013

Honda CB Oil Pressure Switch ~ Replaces 37240-P13-013

$23.95 USD
73-0825
Replace your oil pressure switch with this Oil Pressure Switch, replacing OEM #37240-P13-013.Key Features• Oil pressure switch• Replaces OEM #37240-P13-013• Honda part name: Switch...
Honda CB1100 CB1000 clutch lever brake light switch 35330-413-003

Honda CB Clutch Lever Brake Light Switch ~ Replaces 35330-413-003

$15.95 USD
29-7029
Replace your front clutch lever safety stop switch with this Clutch Lever Stop Switch, replacing OEM #35330-413-003. This is the switch that allows the...
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Honda CB750 CB650 rear brake light switch 35350-MG7-405

1979-82 Honda CB750 / CB650 Rear Brake Light Switch ~ Replaces 35350-MG7-405

$15.82 USD
27-5523
Restore reliable brake light activation with this Rear Stop Light Switch, designed as a direct replacement for several original Honda rear brake switches. This...
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1982 Honda CB650SC Nighthawk · Oil & Brake-Light Switches Buying guide

Identify the circuit before selecting its switch

The oil-pressure switch references 37240-P13-013. The rear stop-light switch serves the pedal-operated brake circuit. Neither selection replaces diagnosis of the wiring or the underlying mechanical condition that triggers the circuit.

Parts to consider

Honda CB Oil Pressure Switch ~ Replaces 37240-P13-013 Oil-pressure switchReplacement switch referencing 37240-P13-013 for the listed 1982 CB650SC application.View part 1979-82 Honda CB750 / CB650 Rear Brake Light Switch ~ Replaces 35350-MG7-405 Rear brake-light switchRear stop-light switch with explicit 1982 CB650SC application.View part

Distinguish a warning-circuit fault from low oil pressure

The oil switch is an electrical component. Its replacement does not establish that the engine’s lubrication condition is correct. Use the appropriate service tests to identify the cause of an oil warning before assuming a new switch resolves the underlying issue. If the oil-pressure warning stays on with the engine running, stop the engine and have actual oil pressure checked before riding.

Check the rear switch at the pedal system

The rear stop-light product explicitly includes the 1982 Nighthawk. Compare its mounting, connection and operating arrangement on the motorcycle. Follow the correct adjustment and function-check procedure after repair, particularly where a custom pedal or linkage affects switch operation.

Oil & Brake-Light Switches questions

Does an oil warning confirm the switch is faulty?

No. Check the warning circuit and actual lubrication condition using the proper service procedure. A switch purchase should follow that diagnosis rather than be used to dismiss the warning.

What should I verify with modified rear controls?

Compare the rear switch’s mount and how the pedal or linkage operates it. The original model application does not establish the correct arrangement for every custom control conversion.

Can I select either switch by connector appearance?

Match the circuit, reference and mounting as well as the connections. A similar-looking electrical fitting is not sufficient evidence that it serves the required function.

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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