Continued electrical problems
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Thread: Continued electrical problems

  1. #1
    Senior Member will's Avatar
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    Continued electrical problems

    Hello again. One of the last threads I started was about my coil. As a recap I came to the conclusion that I was getting power to the coil. Fast forward to me getting my replacement coil and getting my bike running, for one ride. I now find I am not getting power to the coil. Just to be clear I am not getting any power to the two wires that connect to the coil. I can't see any disconnected wires, there for I assume it's something else. Cdi? Did i blow a fuse? My starter is working.
    Last edited by will; 07-30-2015 at 07:29 PM.
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  2. #2
    Senior Member fishguy's Avatar
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    Electrical! Yipes! All I can say is look at Section 7 in the TW 200 Service Manual. It contains trouble shooting steps for the electrical system. At this point, IMO, you need to find a loose, improperly grounded, or worn wire.
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  3. #3
    Senior Member GaryL's Avatar
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    A very common issue is where the wires from the stator exit the side case above the front sprocket. Many times members have changed the front sprocket and pinched those wires when installing the left side cover.

    GaryL
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  5. #4
    Senior Member will's Avatar
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    I tried to start my bike with the charger hooked up to the battery, could this fry something?

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    Senior Member Dryden-Tdub's Avatar
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    Quote Originally Posted by will View Post
    I tried to start my bike with the charger hooked up to the battery, could this fry something?
    Depending on the amperage output of the charger. Yes.


    Tom
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  7. #6
    Senior Member will's Avatar
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    2 amps, but I don't know what else would explain it. If this was the case, what would be the first to go?
    Last edited by will; 08-02-2015 at 06:39 PM.

  8. #7
    Senior Member Dryden-Tdub's Avatar
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    Quote Originally Posted by will View Post
    2 amps
    Probably not a big deal. The fuse should blow before any damage is done.


    Tom
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  9. #8
    Senior Member supachip1's Avatar
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    check the green & white wires coming from the engine casing, i have had 2 tws that I've worked on where theses wire were somehow worn and frayed…dont know how, but the bike would turn over but no power to the coil, the sheathing goes brittle and snaps ( mine did anyway) i think this then wears on the wires…might not be your problem but could be worth checking.

  10. #9
    Senior Member Fred's Avatar
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    Don't forget your ignition coil is just a big capacitor and a discharge to the spark plug only occurs after a charge is built up and then applied current interrupted triggering a discharge. Inappropriate to talk about a coil "has power", what it needs is a on-off,on-off, on-off 12 volt signal.
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  11. #10
    Super Moderator Purple's Avatar
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    Quote Originally Posted by Fred View Post
    Don't forget your ignition coil is just a big capacitor and a discharge to the spark plug only occurs after a charge is built up and then applied current interrupted triggering a discharge. Inappropriate to talk about a coil "has power", what it needs is a on-off,on-off, on-off 12 volt signal.
    Would it inappropriate to mention the pulse coil at this point then ? ..........
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