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Post by scott7 on Jan 29, 2016 19:58:45 GMT -5
Ok so when I was running the scoot a few minutes ago in the dark I noticed the headlight was a bit dim, I know the battery is also low,
But the head light runs off the stator correct?
Now when you apply the rear brakes the lights all get really nice and bright, when you release the rear brake lever they go dim again.
What electrical problem would cause this?
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Post by Fox on Jan 29, 2016 22:39:07 GMT -5
Low/failing battery would be my number one suspect. True the lights run off the stator but the stator also charges the battery and if the battery is low it taxes the stator output more than it should so you get dim lights.
Could be bad ground like a wire that has some broken strands or a loose ground somewhere and the brake applied provides a secondary ground so you get a voltage increase through the entire system.
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Post by scott7 on Jan 30, 2016 3:53:05 GMT -5
Thanks Fox
Yea I'm gonna change battery, I know the one in it is going bad. It won't hold charge after a few days. Mabey it has a short in it causing bad ground.
After I put new battery in ,if it still does the same thing I'll start checking grounds and connections.
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Deleted Member
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Post by Deleted on Jan 30, 2016 8:27:44 GMT -5
A new battery is probably ideal. If not before replacing my 49cc with a 'sealed Autocraft brand' atv/sports battery from a local automotive parts store, I had to at times refill the water line in the reservoir of the discount battery that the scooter was purchased with. Even when sealing the top well it still had evaporation issues. I'm sure a battery or other auto shop might have a good brand of small battery of similar capacity and voltage.
Also make sure the rectifier (located in the front panel of the scooter) is plugged in securely. My scooter had been lightly vandalized one day out of town where someone had unplugged the rectifier completely, perhaps they didn't know what it was for obviously.. 'But it's possible for a loose connection with humidity exposure.. causing dim / or shorting out bulbs.
1. Battery distilled water level check
2. Rectifier connection check
(might need a voltage meter.. could be Stator, but unlikely if the scooter is only a few months new.. even my scooter that has had lots of rain upon it still generates power with the stator.. again a meter is the best friend to optimize an idea solution beyond the first and second steps suggested)
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Post by scott7 on Jan 30, 2016 18:33:40 GMT -5
I'm getting charge at the battery , about 14
When you rev the motor the light gets brighter. But at idle when I apply back brake it really gets bright.
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Post by scott7 on Jan 31, 2016 19:38:12 GMT -5
Well tomorrow I'm gonna trace all the wiring to there grounds. I found the wiring diagram on this website. I hope that one of the grounds are not good, it could be the voltage regulator . I'm not very good at wiring, but I need to learn.  |
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Post by Clank on Jan 31, 2016 22:07:45 GMT -5
Don't toss your battery. Put it on a charger over night. Not a tender or trickle charger but an automotive 12v battery charger. These little stators don't change the battery properly so at least once a month I throw my on the changer.
I'd bought a new one thinking my old one was shot. I was $90 wrong.
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Post by scott7 on Feb 1, 2016 19:42:55 GMT -5
Well I can't seem to figure it out, I'm getting about 6.50 v to light, but I don't know what it's supposed to be. Both bulbs blew so I ordered more. Dont know why they blew. They got really bright then blew.
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Post by spaz12 on Feb 1, 2016 19:54:23 GMT -5
Sounds like your voltage regulator. Have someone rev the scoot while you're holding your test leads on the wires.
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Post by scott7 on Feb 1, 2016 19:58:13 GMT -5
When you first start the scooter up ,the head light is perfect ,then it steadily dims , then after about 20 seconds you can barely see a glow in the bulb.
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Post by scott7 on Feb 1, 2016 20:01:17 GMT -5
I put another voltage regulator in and it has same problem. Increase gas and it doesn't get brighter, except when you first start it up
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Post by Fox on Feb 1, 2016 22:29:01 GMT -5
The stator is looking more and more like the culprit now
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Post by scott7 on Feb 2, 2016 20:06:51 GMT -5
Yea I'm I was wondering about that . I'm gonna wait till I get my bulbs in then I'm gonna check ground at running light and the other wires. Then I'm gonna put another fuel enricher in ,just to make sure that's not the problem. I heard those to things can cause same problem. If that doesn't work then a new stator. Don't know what else to do at this point.
I'll keep you all posted. Thanks everyone
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Post by Clank on Feb 3, 2016 7:07:51 GMT -5
Yea I'm I was wondering about that . I'm gonna wait till I get my bulbs in then I'm gonna check ground at running light and the other wires. Then I'm gonna put another fuel enricher in ,just to make sure that's not the problem. I heard those to things can cause same problem. If that doesn't work then a new stator. Don't know what else to do at this point. I'll keep you all posted. Thanks everyone the choke is causing your lights to dim? That's one hell of story the local scooter store owner told you. I've never heard that one before. I don't see how you're carb could affect your headlights unless it's leaking fuel onto the stator. It sounds like you've got a hot wire grounding out or connected backwards. |
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Post by scott7 on Feb 3, 2016 8:31:27 GMT -5
Hey Clank I'm showing that the auto enricher ,tail lights and head light switch all come from the same wire out of the voltage regulator . So I was just thinking if it was shorting out or those wires were shorting out or Mabey ground wire back there by the tail lights might be the problem.
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