[drav77]

Hello! I promise I looked around as not to create ANOTHER post about ignition key switch wiring but couldn't find any that got me going in the right direction.

I have relocated my ignition key switch under the right side of the tank and it's all secured and looking good. Just need to wire it up now. I bought a switch / mount that I saw in a CX500 cafe racer youtube video and seems to fit great.

The only discrepancy is going from 6 wires down to 4. I'm not too concerned about the "Park" state. Simply on and off.

Current key switch

New key switch

New key switch

Amazon.com: Emgo 40-37600 Replacement Ignition Switch : Automotive

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I'm assuming I'll be grouping up some of the extra wires. Not an electrical or bike mod'ing expert so be gentle

 

[Sidecar Bob]

You are talking about the keyswitch. Your bike's ignition consists of parts of the stator, the Capacitor Discharge Ignition (CDI) box, the coils and the spark plugs. The only connection between the keyswitch and the ignition is the part that kills the spark.

The keyswitch you linked to is for models with points ignition so it won't work on a CDI bike.
In points ignitions the ignition system are powered by the charging system and the ignition is turned off by interrupting the circuit, which happens when the keyswitch turns off the power to everything else.
In CDI the ignition system is independent from the charging system and powered by special windings on the alternator stator and is turned off by shorting part of the CDI to ground. The keyswitch has to both turn the power off to everything else and short the black/white (kill) wire to the green (ground) wire.

You need one like this

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Or this

Ignition Switch For Honda CB400 CM400A/C/E/T CM450 Replace 35100-413-007 | eBay

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[drav77]

Thanks for responding and posting the links! I updated the post to reflect the correct wording. Might look around a little bit for a key switch with the integrated screw on mount like the one in the first link as i've already arranged the location and mounting for that style but if not I could figure something out. Would definitely be nice to not have to worry about wiring and just clip in the new key switch.

 

[Sidecar Bob]

I should have mentioned that the wire colours on those ones are correct and can be connected to the matching colour wires from the bike but the connectors don't match. They can be connected to the existing plug with standard automotive 1/4" spade type connectors.

For clarification:
Red wire = power from battery
Black wire = switched power
Red and black are connected to each other when the key is in the On position
(This part is the same for CDI and TI bikes)

Black/white wire = CDI kill
Green wire = ground
Black/white and green are connected to each other when the key is in the Off and Park positions
(This part is for CDI bikes only)

Brown wire = tail light
Brown/white wire = power from lighting circuit (fuse)
Brown and brown/white are connected together when the key is On
Brown and red are connected together when the key is in Park
If you don't want the Parking light feature (not required in North America) simply connect the brown and brown white wires from the bike together and ignore (or remove) the brown and brown white from the keyswitch.
(This part is the same for CDI and TI bikes)

FWIW, I have similar keyswitches to the ones I linked on both of my bikes (CX with TI, GoldWing with similar system). For both of them I connected the brown and brown/white together and only needed to use the red and black wires from the keyswitch. (For a CDI bike like yours you also need the black/white and green)

 

[drav77]

Thanks so much for clarifying, I was hoping that was the case that I could use the 1/4" blades to make it work.
Just to make sure I understand, the red and black should match up and work fine for switch power. But, in order to kill the engine i'll need to have it connect green & black/white stripe to kill it?

 

[Sidecar Bob]

Exactly.

 

[drav77]

Bob thanks so much! I know some of the easier questions that have been asked x a million can be annoying to pros but thanks for taking the time! It's all up and running and working like a champ.

1

 

[reclinedrelic]

It's all up and running and working like a champ.

Do you have a temperature gauge or temperature warning light?

 

[drav77]

Do you have a temperature gauge or temperature warning light?

That's next on my list!