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| Motorized Bicycle Trouble Shooting Use this area to post problems that may arise that you could use some help in figuring out what is wrong with their bicycle motor and what needs to be done to achieve top performance. |
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12-30-2008, 02:12 PM
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Motorized Bicycle Elite Member
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Join Date: Mar 2008
Location: Ontario
Posts: 550
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No white wire from coil
I just noticed that I have only blue and black wires coming from the coil. Where will I hook my kill switch to?
My kill switch is the one that is built into the throttle and has yellow and black.
Is my coil a reject? Should I send it back?
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12-30-2008, 02:25 PM
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Super Moderator
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Join Date: Sep 2008
Location: Littleton, Colorado
Posts: 6,754
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Re: No white wire from coil
The white wire comes from the magneto (engine) not the CDI. From the Engine there is a blue, a black and a white. Connect the blue to the blue and the black to the black from the CDI then splice these with the wires from the kill switch. The white wire, unless you plan to try powering a light with it, should be capped and left unused. Don't be concerned with the different colors from your kill switch.
I'll attach a diagram (courtesy of Chris Hill at Home of the CH bicycle engine, CH80 Bicycle Engine Kits by Chris Hill, Motorized Bicycles, Bike Engine, Bike Motor, Bicycle Motor kit). (The grey circles where the wires meet indicate splices)
Tom
__________________
Age and Treachery Will Always Triumph
Over Youth and Skill & "Charlie Don't Ride"
Last edited by 2door; 12-30-2008 at 02:46 PM.
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12-30-2008, 02:26 PM
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Motorized Bicycle Elite Member
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Join Date: Sep 2008
Location: paso robles, california
Posts: 114
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Re: No white wire from coil
you dont need the kill switch, just let the clutch out slowly. many people have had problems with the kill switch. if you want one get a toggle switch and use it to break you cdi circut, open the black to black or blue to blue.
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12-30-2008, 02:33 PM
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Super Moderator
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Join Date: Mar 2008
Location: Tucson, AZ
Posts: 8,978
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Re: No white wire from coil
The wires from the kill switch go to the blue & black from mag...doesn't matter which one.
Mag 2 CDI...Blue 2 Blue..Black to Black. Or Green to Blue if you have a green wire from mag.
Never heard of no white wire  But you should only need it if you want to run lights or something.
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12-30-2008, 02:51 PM
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Motorized Bicycle Elite Member
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Join Date: Mar 2008
Location: Ontario
Posts: 550
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Re: No white wire from coil
Thanks, I feel stupid right now and am laughing at myself - sorry!
I don't know what I was thinking.
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12-30-2008, 02:58 PM
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Super Moderator
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Join Date: Sep 2008
Location: Littleton, Colorado
Posts: 6,754
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Re: No white wire from coil
Quote:
Originally Posted by toytime
Thanks, I feel stupid right now and am laughing at myself - sorry!
I don't know what I was thinking.
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Toy,
It takes a big man to admit when he's wrong...but of course having never made a mistake in my whole life its a little hard to empathize...
__________________
Age and Treachery Will Always Triumph
Over Youth and Skill & "Charlie Don't Ride"
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12-31-2008, 12:36 AM
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Motorized Bicycle Member
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Join Date: Dec 2008
Location: Oregon
Posts: 30
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Re: No white wire from coil
I too, have never made a mistake; I thought I did once, but I was wrong.
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01-01-2009, 01:16 PM
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LORD VADER Moderator
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Join Date: Jan 2008
Location: pampa texas
Posts: 2,673
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Re: No white wire from coil
I've made mistakes and do at least 10 times a day( low count) if I ain't frucking up I feel like I've not had a good day. 
Norman
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01-29-2009, 08:16 PM
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Motorized Bicycle Newbie
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Join Date: Jan 2009
Location: jefferson city missouri
Posts: 16
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Re: No white wire from coil
i put my kill switch from the frame w/ one wire and the other to the white wire seems to work fine is there a problem w/ doing it that way?
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01-29-2009, 08:27 PM
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Motorized Bicycle Elite Member
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Join Date: Nov 2008
Location: Manchester TN USA
Posts: 465
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Re: No white wire from coil
you don't want to ground your white wire its not designed for that. The kill switch should be wired 1 into blue wire the other into the black. Blue and black are one circuit the white is a different one.
the white wire should be capped off and tapped shut.
__________________
Ride it like you stole it!
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