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1979 Honda CB400TII Hawk II Electrical

The 1979 Hawk II combines electric starting, CDI ignition and a hydraulic front brake. Begin electrical shopping at the failed circuit, then compare the fitted connector or control. A changed master cylinder or replacement harness can alter the part you need.

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Honda motorcycle parts

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

Honda CB750 CB550 CB500 CB450 CB400 rear brake light switch

Honda CB Rear Brake Light Switch

$10.33 USD
12-0008
Replace your rear brake light switch with this Rear Brake Light Stop Switch. Exceptionally broad fitment across the SOHC CB750 lineup and virtually the...
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 starter motor terminal rubber boot 32411-230-000

Honda CB Starter Motor Terminal Rubber Boot ~ Replaces 32411-230-000

$4.61 USD
73-0092
Replace your starter motor terminal cover with this Starter Motor Terminal (Cover) Rubber Boot, replacing OEM #32411-230-000.Key Features• Starter motor terminal rubber boot• Replaces...
Honda CB1100 CB1000 CB900 CB750 CB650 spark plug cap XD05F

Honda CB Spark Plug Cap ~ XD05F

$10.49 USD
23-3119
Replace your spark plug caps with this Spark Plug Cap, XD05F type. Two required per CB750. Key Features• Spark plug cap, XD05F• 2 required...
Honda CB1100 CB1000 CB900 CB750 starter clutch diode 31700-124-003

Honda CB Starter Clutch Diode ~ Replaces 31700-124-003

$12.88 USD
24-2044
Replace your starter clutch diode with this Stator Clutch Diode/Rectifier, replacing OEM #31700-124-003 / #31700-166-008. Exceptionally broad fitment across the SOHC and DOHC CB750...
New
Honda CB750 CB650 CB550 CB450 headlight setting collar 61304-292-000

Honda CB Headlight Setting Collar ~ Replaces 61304-292-000

$4.50 USD
07-4645
Restore headlight mounting with this Headlight Setting Collar, replacing OEM #61304-292-000. Exceptionally broad fitment across the classic Honda lineup, from the SOHC and DOHC...
Honda CB750 CB550 CB500 CB450 starter solenoid relay 35850-375-000

Honda CB Starter Solenoid Relay ~ Replaces 35850-375-000

$38.95 USD
24-2003
Replace your late-'70s CB starter solenoid with this Starter Solenoid Relay, replacing OEM #35850-375-000 / #35850-286-027. Broad fitment across the late SOHC CB750, CB500T/CB550...
Honda CB750 CB550 CB500 CB400 CB360 front turn signal stay

Honda CB Front Turn Signal Stay

$12.95 USD
11-2167
Replace a damaged front signal stay with this Front Signal Lamp Stay in chrome. Body length 65mm, thread 25mm, total length 90mm. Pairs with...
Honda CB900 CB750 CB650 CB400 front brake light switch 35340-422-013

Honda CB900 / CB750 / CB650 / CB400 Front Brake Light Switch ~ Replaces 35340-422-013

$14.95 USD
12-0003
Fit the earlier DOHC CB's front brake light switch with this Front Brake Stop Switch, replacing OEM #35340-422-013. Fits the 1979-80 CB750 range, CB900C,...
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...
New
Honda CB starter motor seal 60 x 1.4 31206-286-158

Honda CB Starter Motor Seal 60 x 1.4 ~ Replaces 31206-286-158

$5.95 USD
03-0784
Seal up your starter motor with this Starter Motor Seal, size 60 x 1.4, replacing OEM #31206-286-158 / #31206-402-008. Exceptionally broad fitment across the...
New
Honda CB starter motor seal 24.4 x 3.1 91312-MG7-003

Honda CB Starter Motor Seal 24.4 x 3.1 ~ Replaces 91312-MG7-003

$4.50 USD
03-0780
Seal up your starter motor with this Starter Motor Seal, size 24.4 x 3.1, replacing OEM #91312-MG7-003 / #91309-300-000 / #91309-425-003. Exceptionally wide fitment...
Honda CB750 CB500 CB450 CB400 turn signal lamp gasket 33443-268-671

Honda CB Turn Signal Lamp Gasket ~ Replaces 33443-268-671

$4.61 USD
11-2085
Service your early CB750 or classic twin turn signal with this Turn Signal Lamp Gasket, replacing OEM #33443-268-671. Pairs with our signal lens #11-2110...
Honda CB750 CB550 CB450 CB400 rear turn signal rubbers pk 2 33606-371-000

Honda CB750 / CB550 / CB450 / CB400 Rear Turn Signal Rubbers Pk/2 ~ Replaces 33606-371-000

$15.95 USD
73-0834
Replace your rear turn signal rubbers with this Rear Turn Signal Rubbers Pk/2, replacing OEM #33606-371-000. These are the rubbers that go under the...
New
Honda CB450 CB400 ignition coil 30530-413-003

1978-82 Honda CB450 / CB400 Ignition Coil ~ Replaces 30530-413-003

$44.95 USD
17-4542
Replace your CB400 or CB450T ignition coil with this Ignition Coil, replacing OEM #30530-413-003.Sold each, order the quantity you need.Key Features• Ignition coil• Replaces...
New
Honda CB450 CB400 fuse box assembly 38200-413-003

1978-82 Honda CB450 / CB400 Fuse Box Assembly ~ Replaces 38200-413-003

$54.95 USD
11-2106
Rebuild your CB400 family fuse box with this Complete Fuse Box Assembly (fuses included), replacing OEM #38200-413-003. Fits the full CB400 range from 1978-82...
New
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Honda CB450 CB400 ignition coil 30530-413-003

1978-82 Honda CB450 / CB400 Ignition Coil ~ Replaces 30530-413-003

$69.95 USD
24-2035
Replace your CB400 or CB450T ignition coil with this Rick's Electric Ignition Coil, replacing OEM #30530-413-003.Sold each, order the quantity you need.Key Features• Rick's...
Honda CB450 CB400 ignition switch 35100-MC0-671

1978-82 Honda CB450 / CB400 Ignition Switch ~ Replaces 35100-MC0-671

$24.95 USD
12-0053
Fit the rectangular connector block style ignition switch on your CB400 family bike with this Ignition Switch Assembly featuring a rectangular connector block with...
Honda CB450 CB400 CB360 tommaselli type headlight bracket set 32-34mm

Honda CB Tommaselli Type Headlight Bracket Set ~ 32-34mm

$39.95 USD
09-0015
Fit the Tommaselli look to your smaller-bore Honda with these 32-34mm Tommaselli-Type Headlight Brackets, supplied with rubber mount inserts. Sized for 33mm fork tubes...
Honda CB450 CB400 rectifier regulator 31600-KV8-681

1978-86 Honda CB450 / CB400 Rectifier / Regulator ~ Replaces 31600-KV8-681

$179.95 USD
24-2088
Replace your CB400 or CB450 rectifier/regulator with this Rectifier/Regulator, 6 wires, 3 yellow in one connector block and 3 wires in a 4-space block....
New
Honda CB450 CB400 rectifier regulator lithium ion battery compatible 31600-KV8-681

1978-86 Honda CB450 / CB400 Rectifier / Regulator ~ Lithium Ion Battery Compatible

$189.95 USD
24-2034
Upgrade your CB400 or CB450 to a lithium-ion compatible regulator with this Rick's Electric Rectifier/Regulator, replacing OEM #31600-KV8-681 / #31600-413-008. Designed with a lower...
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1979 Honda CB400TII Hawk II · Electrical Buying guide

Choose by circuit and fitted connections

The ignition switch, front stop switch and charging unit solve different electrical faults. These selections emphasize identifiable connections, with a separate fuse-box link for damaged circuit protection hardware.

Parts to consider

1978-82 Honda CB450 / CB400 Ignition Switch ~ Replaces 35100-MC0-671 Rectangular-plug ignition switchIgnition switch for the rectangular connector arrangement, with six flat male terminals. Match the harness-side plug and terminal positions before ordering.View part Honda CB900 / CB750 / CB650 / CB400 Front Brake Light Switch ~ Replaces 35340-422-013 1979 front brake light switchReplacement for reference 35340-422-013, specifically covering the 1979 CB400TII. The plunger switch has two flat electrical terminals.View part 1978-86 Honda CB450 / CB400 Rectifier / Regulator ~ Replaces 31600-KV8-681 Six-wire rectifier/regulatorSix wires are divided between two connector blocks: three yellow wires in one, and three wires in a four-position block.View part

Related parts: Replacement fuse box with fuses

Keep the control and its switch together

Honda revised the front master-cylinder arrangement for 1979. Compare the stop-switch body and terminals with the control fitted to your bike, particularly after a brake conversion. For the ignition switch, inspect the rectangular plug as well as the lock mounting; a matching key slot tells you little about wiring.

Make the charging choice at the battery

Check the battery label before choosing a regulator. A lithium conversion calls for a charging set point approved by the battery manufacturer. Inspect both harness connectors for heat damage at the same time. The linked fuse box addresses damaged fuse hardware separately from the charging unit.

Common buying questions

Will this front brake switch suit a replacement master cylinder?

Only if the replacement control uses the same switch attachment, plunger arrangement and terminals. The featured switch covers the original 1979 CB400TII application; use the fitted master cylinder to identify a converted brake setup.

Can I use the lithium regulator with a lead-acid battery?

No. The lithium-only option has a 14 V ±0.2 set point and is explicitly unsuitable for standard lead-acid batteries. Confirm the battery chemistry and its charging requirements before choosing that version.

What should I compare on the ignition connector?

Look for the rectangular connector and six flat male terminals, then compare the terminal positions with the existing harness. If a previous owner changed the plug, establish its wiring before ordering by model year alone.

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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