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Buell Forum » 1125R Superbike Board » Stator/Voltage Regulator/Charging System subforum » Archive through January 29, 2013 » Still not charging?? « Previous Next »

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Jasbiz66
Posted on Tuesday, September 04, 2012 - 06:53 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ok so I got her all back together and she isn't wanting to charge. Just got a rewound stator back and put it all back together. WTF??? When I would put the booster pack on it, it would say theft alarm, then if I clicked the power on the booster back 2 notches the gauge would light up but not have enough power to start. put the truck on it to jump start it and it started just fine. let it run for a while while still having the jumper cables on and did ok until I took the cables off then went into system voltage. Got the truck with cables sitting running for about 15 minutes now, gonna try it by itself after that then take the brand new battery in to get checked to see if something is wrong with it. I HAVEN'T RODE SINCE JUNE AND IT IS KILLING ME....
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Sparky
Posted on Wednesday, September 05, 2012 - 03:59 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Do you have the Upgrade Harness & Relay installed? If so, the relay could be bad and not allowing proper charging.

Regardless, the first thing I would do is a Stator AC voltage test to see if it produces approx 35 to 45 VAC at 3000 rpms with the Stator disconnected from the Voltage Regulator (VR).

If Stator AC test fails, you've likely found the problem.
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Jasbiz66
Posted on Wednesday, September 05, 2012 - 07:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yeah I have the harness and relay installed. For some reason the lights aren't coming on now. I put a good battery in it and it will fire up but it keeps going to system voltage. The only lights that are coming on up front are the two on the very outside, the little ones, not the normal head lights. What is up with that? I had the wires marked when I took the stator off, could they have wired them wrong so when I put the wires back in where they originally were that they are not right? how do I know which wire is which?
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Yugi
Posted on Wednesday, September 05, 2012 - 08:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Looks like you need to replace the VR.

(Message edited by yugi on September 05, 2012)
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Jasbiz66
Posted on Wednesday, September 05, 2012 - 08:31 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I just put the meter on it, the batter was 12. something like it should be. Fired it up and it went to high 13's, ran for a little bit and then the system voltage came on and it spiked up to high 17's. So yeah i'm assuming it is the voltage regulator. Right? So what about the head lights not working right?
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Drbyk
Posted on Wednesday, September 05, 2012 - 09:15 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The voltage spike in the high 17's probably fried the bulbs
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Erwin8r
Posted on Tuesday, September 11, 2012 - 12:13 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I second the VRR diagnosis. I'd look into the Compufire 3-phase VRR...
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Jules
Posted on Thursday, September 20, 2012 - 06:56 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

High DCV like that does indeed indicate a VR failure (and would fry your bulbs amongst other things)..
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