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Post by 90GTVert on Sept 17, 2010 7:58:06 GMT -5
There's a ground near the coil and battery box area of the frame IIRC. I'm not really sure if a bad ground will cause this or not, but it never hurts to check.
I would think, after checking the ground, your next step would be to get a multimeter on the headlight leads and see what the voltage is and if it's AC or DC. Rev the engine and see where it peaks if you can.
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Post by chunk73 on Sept 17, 2010 9:02:37 GMT -5
There's a ground near the coil and battery box area of the frame IIRC. I'm not really sure if a bad ground will cause this or not, but it never hurts to check. I would think, after checking the ground, your next step would be to get a multimeter on the headlight leads and see what the voltage is and if it's AC or DC. Rev the engine and see where it peaks if you can. Multimeter should be ariving today from amazon. I will let you know what I find out for the voltage on the headlight lead. Thanks again |
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Post by chunk73 on Sept 19, 2010 12:57:49 GMT -5
Ok. So i hooked up the multimeter to the front lights. When i first hooked up the meter and started the engine, at idle the voltage was around 15v AC. When reving the engine it peaked at 45V AC. So there is the reason why my bulbs are blowing. After looking at it for a while I figured I might as well try hooking up my old rectifier since that was the first thing i replaced and it is easily interchangeable. So i hooked that up and immediately my voltage at idle dropped to 13v and then when i reved the engine the voltage stayed right below 12v, around 11.92v.
Thinking that I had finally solved the issue, i turned off the engine and put everything back together. Before putting in new bulbs i figured I would try it one more time. This time the voltage was not being regulated, it jumped to 40v. So i turned the engine off, unplugged and reseated the plug for the regulator and tried again. This time it worked again like it should.
So the conclusion I have come to is that first off the voltage regulator I got to replace the original is junk and that may have been the issue all along and I may have not needed to replace my stator. However it also seems that my old voltage regulator is still on the fritz and works sometimes and sometimes doesnt.
Does anyone know where I can get a correct voltage regulator for a vento?
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Post by 90GTVert on Sept 19, 2010 14:38:40 GMT -5
Just to be clear, the voltage when it appears to be working properly is around 12V DC or AC?
Since you saw a change after you "unplugged and reseated the plug for the regulator", I would take a real good look at all the connections in and around that plug.
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Post by chunk73 on Sept 19, 2010 14:39:55 GMT -5
Ok. I think it is finally fixed. The regulator I got off ebay was wired differently. I had to rewire the plug correctly. Everything now appears to be working.
I am not sure if the only thing I needed was a new regulator and perhaps I didnt need a new stator. I guess I will never know.
Thanks again for your help.
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Post by Reign on Sept 19, 2010 21:22:28 GMT -5
Great that you got it running right finally! On a side note about LED bulbs: I just was cruising down the street with my LED headlight on. I figured I'd try to flip the brights on. After I did, I was amazed. It lit up a stop sign a block away it was so bright. It's really a huge difference. I'd still rather run a stock bulb though. Much more safe, and less hassle to rewire everything  |
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Post by chunk73 on Sept 20, 2010 5:33:24 GMT -5
Just to be clear, the voltage when it appears to be working properly is around 12V DC or AC? Since you saw a change after you "unplugged and reseated the plug for the regulator", I would take a real good look at all the connections in and around that plug. This was definitely AC voltage and the regulator definitely has a role in controling the voltage that is being passed to the lights. Anyone who says the regulator is only to step down the voltage for charging the battery is wrong, at least ona vento scooter. |
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Post by 90GTVert on Sept 20, 2010 5:41:21 GMT -5
Good to hear it's fixed and I'm glad you had a similar experience to me. Now I know I'm not crazy and it wasn't a fluke that the regulator fixed the bulb blowing problem. lol
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Post by chunk73 on Sept 20, 2010 8:24:50 GMT -5
One thing I noticed is that the regulator gets pretty warm. I assume this is normal but just wanted to confirm with you guys.
Thanks
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Post by 90GTVert on Sept 20, 2010 8:34:23 GMT -5
That's normal. I was reading somehwere that heat is a big cause of failure for regulators, so make sure they are in an area where air can move around them and not too close to the engine.
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