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Offline Boy named Suzi

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Hot wire CB
« on: September 09, 2009, 07:03:58 AM »
Heh gang,

  So lost the keys...does anybody have help, tips or instructions on which wires to cross at the ignition?

  Has anybody hot wired a 1978 CB550K before? Looks easy (in the dark?), too bad the ownership is locked away under the seat...It's mine, honest!!!
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Offline The_Crippler

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Re: Hot wire CB
« Reply #1 on: September 09, 2009, 07:46:05 AM »
Oh yeah...this will end well... ;D
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Offline Pltfn

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Re: Hot wire CB
« Reply #2 on: September 09, 2009, 07:48:05 AM »
I just ditched my keyed ignition switch so I know this right off hand!  

1) unplug the four pronged connector that plugs into the main harness from the ignition switch
2) jump the top left terminal to the bottom right and the top right to the bottom left (the jumper wires will be in an X) (the orientation of the connector doesn't matter for doing this since an X is an X no mater if it is upside down or on its side!)

have fun!

-Kelly
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Offline Boy named Suzi

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Re: Hot wire CB
« Reply #3 on: September 09, 2009, 08:27:41 AM »
Thanks Kelly...but what if it's dark?
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Offline paddy paul

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Re: Hot wire CB
« Reply #4 on: September 09, 2009, 08:58:10 AM »
make sure it's in neutral  and poke around until you come up with the right combo , you will know it when all the lights come on, and you have power,  its just  kind or hard  keeping the wires conected when you are riding it, make a little jumper wire with female connecter
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Offline Gorms

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Re: Hot wire CB
« Reply #5 on: September 09, 2009, 09:57:31 AM »
Dont you want to jump the red to the black in the ignition switch connector?
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Offline scartail

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Re: Hot wire CB
« Reply #6 on: September 09, 2009, 10:18:37 AM »
Quote from: gorms on September 09, 2009, 09:57:31 AM
Dont you want to jump the red to the black in the ignition switch connector?

1+, but if it's dark, they're all black wires, lol. Go get a flashlight.
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Offline BobbyR

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Re: Hot wire CB
« Reply #7 on: September 09, 2009, 05:48:53 PM »
No need to hotwire. Just remove the lock cylinder. Release the white plastic "switch" from the cylinder. It is held in by two plastic tabs. Just turn that plastic switch and you can run the bike until you get a new key.
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But we were boys, and boys will be boys, and so they will. To us, everything was dangerous, but what of that? Had we not been made to live forever?

Offline 1974CB750rider

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Re: Hot wire CB
« Reply #8 on: September 09, 2009, 05:57:34 PM »
New swithes are not expensive. TAS motorsports has them and are very reasonable. Also check out e-bay. As for the seat lock you'll just need to take it to a key maker and they should be able to make you a key.  As for hot wireing I've heard this works but haven't tried it. Take a sewing needle and stick through all the wires comeing from your switch and you should see lights and then hit the button. I'd buy a switch if it was me.
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Offline BobbyR

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Re: Hot wire CB
« Reply #9 on: September 09, 2009, 06:55:42 PM »
No need to hotwire. Just remove the lock cylinder, two 10mm you can see between the tach and speedo. Release the white plastic "switch" from the cylinder. It is held in by two plastic tabs. Just turn that plastic switch and you can run the bike until you get a new key, lock cylinder or whatever you plan to do.
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Dedicated to Sgt. Howard Bruckner 1950 - 1969. KIA LONG KHANH.

But we were boys, and boys will be boys, and so they will. To us, everything was dangerous, but what of that? Had we not been made to live forever?

Offline BobbyR

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Re: Hot wire CB
« Reply #10 on: September 09, 2009, 07:45:56 PM »
Yes it is that easy. I am told there are under 10 key combos, so your locks keep honest people honest.
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Dedicated to Sgt. Howard Bruckner 1950 - 1969. KIA LONG KHANH.

But we were boys, and boys will be boys, and so they will. To us, everything was dangerous, but what of that? Had we not been made to live forever?

Offline DavePhipps

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Re: Hot wire CB
« Reply #11 on: September 09, 2009, 08:09:19 PM »
Oh it's even easier. Get a replacement switch from emgo and go to anyones old cb, plug yours in and off you go. Scary thought huh? Also the 77-78 550 switch will fit many other honda bikes VFR, CBR, GL, ect.
I've even started and XS 650 with my 78 cb550 key.
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Offline The_Crippler

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Re: Hot wire CB
« Reply #12 on: September 09, 2009, 09:00:24 PM »
Now where is that techno-geek article I read about retrofitting a laptop biometric scanner to an ignition...
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Offline Slayer

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Re: Hot wire CB
« Reply #13 on: September 09, 2009, 09:38:03 PM »
Quote from: BobbyR on September 09, 2009, 06:55:42 PM
No need to hotwire. Just remove the lock cylinder, two 10mm you can see between the tach and speedo. Release the white plastic "switch" from the cylinder. It is held in by two plastic tabs. Just turn that plastic switch and you can run the bike until you get a new key, lock cylinder or whatever you plan to do.

That is how I have been turning it on and off since I have been working on it. Just turn the ignition switch plastic disc.
In the pic it is what I am holding in my left hand. There are contact points that match up when you turn the key. Just pull it off and do it by hand.



I am gonna be bummed when I have to start using a key. And yes, that IS my third arm
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Offline BobbyR

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Re: Hot wire CB
« Reply #14 on: September 10, 2009, 06:09:22 AM »
Quote from: Slayer on September 09, 2009, 09:38:03 PM
Quote from: BobbyR on September 09, 2009, 06:55:42 PM
No need to hotwire. Just remove the lock cylinder, two 10mm you can see between the tach and speedo. Release the white plastic "switch" from the cylinder. It is held in by two plastic tabs. Just turn that plastic switch and you can run the bike until you get a new key, lock cylinder or whatever you plan to do.

That is how I have been turning it on and off since I have been working on it. Just turn the ignition switch plastic disc.
In the pic it is what I am holding in my left hand. There are contact points that match up when you turn the key. Just pull it off and do it by hand.


That is what I have been talking about exactly, thanks for the pic. I always wished i had a third hand!
I am gonna be bummed when I have to start using a key. And yes, that IS my third arm
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Dedicated to Sgt. Howard Bruckner 1950 - 1969. KIA LONG KHANH.

But we were boys, and boys will be boys, and so they will. To us, everything was dangerous, but what of that? Had we not been made to live forever?

Offline Boy named Suzi

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Re: Hot wire CB
« Reply #15 on: September 12, 2009, 06:27:51 PM »
Great help folks, thanks.

I tried to open the switch and manually over-ride the key component earlier and it proved difficult, close to damaging the plastic clips so I went with the manual jumper leads route. I ganged 4 of the 5 wires because the 5th did not appear to operate anything (only had 4 blade connecters) and rode. The idle went rough then I lost power as it heated up so it's been trucked home and the locks are out being redone to 1 (!) common key.

Running without the key is easy, filling the tank is harder! Thanks again!!!
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