Author Topic: kill switch wiring  (Read 3241 times)

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Offline andrsn

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kill switch wiring
« on: January 25, 2012, 12:00:55 PM »
I am finishing up installing my CDI and I have a question about kill switch wiring. The diagram I have shows a black and white wire leaving my CDI and going to the kill switch. I am going for minimal wiring and don't have a kill switch. Can I just not hook it up to anything, or does it need to be grounded? How do kill switches typically work?

Thanks
1977 Honda CB550f
1979 Yamaha XS650
1990 Honda CB125T
1975 Honda CB400F
1976 Honda CB400F
1977 Honda CB400F

Offline the technological J

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Re: kill switch wiring
« Reply #1 on: January 25, 2012, 12:13:56 PM »
the kill switch just breaks the circuit... you have to jumper something in the headlight.... cant remember now what wires.... your prob gonna regret it tho i do
70 KO...sold to fund the ST http://forums.sohc4.net/index.php?topic=88800.0(Alpha)
74 Kaw 250 Enduro http://forums.sohc4.net/index.php?topic=124278.0
K4 added to collection! http://forums.sohc4.net/index.php?topic=104784.0
78 750K... http://forums.sohc4.net/index.php?topic=60257.0 (Omega)sold to fund the K4
94 ST1100..Gone
72 750 K2 Stay tuned!

Offline andrsn

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Re: kill switch wiring
« Reply #2 on: January 25, 2012, 12:28:58 PM »
I was way off track, the black and white wire actually goes to the ignition switch. So my question is; after the wire goes to the ignition where should it go?


Kill switch breaking the circuit thing makes total sense.
1977 Honda CB550f
1979 Yamaha XS650
1990 Honda CB125T
1975 Honda CB400F
1976 Honda CB400F
1977 Honda CB400F

Offline TwoTired

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Re: kill switch wiring
« Reply #3 on: January 25, 2012, 12:35:24 PM »
What CDI unit?  Do you have a wire diagram for it?  Could be relevant to know what bike, too.  And, how much of it remains stock electrically.

BTW, I had the same problem when I tried to wire in my flabberbuster.
Lloyd... (SOHC4 #11 Original Mail List)
72 500, 74 550, 75 550K, 75 550F, 76 550F, 77 550F X2, 78 550K, 77 750F X2, 78 750F, 79CX500, 85 700SC, GL1100

Those that learn from history are doomed to repeat it by those that don't learn from history.

Offline andrsn

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Re: kill switch wiring
« Reply #4 on: January 25, 2012, 01:02:24 PM »
The cdi is a generic china one for a moped or small motorcycle. the bike is a 90' cb125 (just realized I posted this in the wrong area... woops, all my other rides are sohc). Wiring is limited to headlight, taillight, ignition stuff and charging stuff. Bike didn't come with ignition so I'm gonna use a radio shack switch (its just a little winter project around town fun bike and I only paid 62.50 for it so I don't care to spend too much money on the thing).

diagram:
1977 Honda CB550f
1979 Yamaha XS650
1990 Honda CB125T
1975 Honda CB400F
1976 Honda CB400F
1977 Honda CB400F

Offline 1990cb125tt

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Re: cdi electrical connectors
« Reply #5 on: May 23, 2014, 04:20:43 PM »
Hello
i was wondering , in order to mate the 2 generic 5pin cdi   where can we buy the plugs / connectors  any ideas
links or websites , thanks  in advance