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Post by scootdoggydog on Sept 19, 2013 20:31:44 GMT -5
My battery has been dying on me a lot lately for whatever reason so I dont think its getting charged I have a totally dc setup with an 11 pole stator and 7 pin reg/rec so my question is how can I test my 11 pole dc stator to see if its putting out the juice it should be
I tried hooking up a voltmeter directly to the battery and revving it up and the numbers looked good so I thought it was alright
Im not sure what else too look for?
Is there a way to test the stator or reg/rec to figure out where the problem could be?
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Post by alleyoop on Sept 19, 2013 20:52:40 GMT -5
Did you hook up the VOLT METER to the battery and then revved it up to around 4K? If so what did the VOLT METER VOLTS READ?? You just said you did that and the numbers LOOKED good what reading did you get?
If the numbers are good then that means it IS CHARGING and you either have a BAD BATTERY with a BAD CELL or you have something on that scoot that is drawing juice while just sitting there.
Do you have an Alarm, or did you add any electricals?
So from what you said R/R is Good and your STATOR is good. Take the battery out take it to a auto parts store they will test it for you.
Alleyoop
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Post by scootdoggydog on Sept 19, 2013 21:20:44 GMT -5
I dont remember the exact numbers but after my battery died i put it on the charger it took a full charge i thought the problem was probably a bad reg/rec or stator and since the reg rec is easier to get to i checked it first the connections didnt look too good so i did a little rewiring and thought it was fixed so to test the charging i threw an old bad battery that read about 7 volts on there revved it up and it went up to about 12-13 volts or more with the revving so i figured it was all good so i threw the fully charged battery and went back to cruising around as normal I dont think its being drained by any accesories because it only drains while riding if i let it sit for a while its fine Im fairly certain the battery is good and the problem is either the stator, reg/rec or the wiring which is why id like to test them individually
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Post by alleyoop on Sept 19, 2013 21:29:24 GMT -5
Well test it again,
First take a reading just sitting there at IDLE and write down what volts the meter says. Then Rev it up and see what the volts read and write that down and come and tell us the readings you took.
But if it read 13+ revving it, it is charging good and it is most likely a bad battery with a bad cell.
A battery with a bad sell will show good voltage just sitting there but put a load on it and it drops like a rock. They will take a charge but loose it really quick.
So re-test and let us know what the numbers are sitting and with revving it up.
Alleyoop
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Post by robrun on Sept 19, 2013 22:11:23 GMT -5
;p ;o Outstanding Alleyoop! "Well, test it again" That took me back to the first shop I worked at & was still pretty green. I'd (thought) cleaned a carb the lead mech said was the problem & it still wouldnt run right. When I voiced my complaint to him he said "well, clean it again" and walked away. No explanation, no fanfare, no jokes. I'd done the rental unit "blow n go" so I cleaned it old school the second time (strip n soak) and sure enough...zoom zoom! 15 years later when I know Ive gone too fast to be thorough & am not successful I catch myself saying it out loud to myself "well, do it again". Thanks man! Cool end to my day
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Post by alleyoop on Sept 19, 2013 22:17:16 GMT -5
Well like they say I may have been born late BUT NOT YESTERDAY   Alleyoop |
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Post by scootdoggydog on Sept 19, 2013 23:37:32 GMT -5
alright but could anybody tell me how to check the voltage the stator or reg/rec is putting out without checking the voltage at the battery because the voltmeter im using has a gauge so its kinda hard to read accurately while im revving it up heres a diagram of my reg/rec  |
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Post by alleyoop on Sept 20, 2013 0:13:14 GMT -5
I can tell you how-to test the R/R and Stator and how-to hook the volt meter up and what values they should read. But since you cannot read the volt meter just testing the battery which is the easiest and out in the open position and rev the motor you will not have a chance testing the R/R and Stator due to their position because on those you will also need to rev the motor to get the values. Go to Harbor Freight and at least get a Digital volt meter. Also spend a little more than the one I am putting up and get one that reads continuity Comes in handy testing for on and off and or broken wires. www.harborfreight.com/7-function-multimeter-98025.htmlAlleyoop |
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Post by scootdoggydog on Sept 20, 2013 0:57:08 GMT -5
ive done it before i just cant remember exactly how if i had to guess id say measure in dc with the neg lead on the green wire and p o s on yellow or red/pink its easier for me to check at the reg/rec because i could use electrical tape to hold the leads on the wires testing at the battery is more difficult because it is in the floor board and the leads arent very long and my scooter doesnt have a center stand so it will be propped up on a cylinder block
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Post by scootdoggydog on Sept 20, 2013 22:57:10 GMT -5
turns out it was a bad stator luckily i had a spare one laying around to test it with after i swapped out the stator i was getting about 17 volts at the battery at a high idle speed didnt even have to rev it up so yeah id say it was charging
i just wish i knew the proper way to test the stator it could have saved me a lot of time
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Post by alleyoop on Sept 20, 2013 23:21:49 GMT -5
Sorry to be the bearer of bad news but if your getting 17v at the battery at high speed that is NOT GOOD, the R/R is not REGULATING the VOLTAGE. The optimum charging is 14.7 anything over 15 Volts will fry you battery IT is OVERCHARGING, it appears you need a new R/R.
Alleyoop
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Post by earlylight160 on Sept 21, 2013 10:15:52 GMT -5
[replyingto=scootdoggydog]scootdoggydog[/replyingto]17 volts at the battery?  YIKES!!! You are going to ruin that battery in short order with that high of a charging voltage. Get a new regulator! |
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Post by scootdoggydog on Sept 21, 2013 14:33:44 GMT -5
It reads 17v at idle with everything off as soon as I turn on the electronics it drops to about 14.5
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Post by alleyoop on Sept 21, 2013 22:40:27 GMT -5
Not good it should NOT be reading 17V at idle or at ANYTIME besides you also said it reads 17v when your riding it at higher rpms. But you can do what you want I am telling you your R/R is NOT regulating the DC voltage and will burn up your battery. So you do what you want it will cost you a new BATTERY PLUS a R/R only a matter of time. PAY me know or PAY me later as they say.
Alleyoop
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Post by scootdoggydog on Sept 21, 2013 23:15:23 GMT -5
Are you 100% sure of your answer? I said it was at 17v at a high idle that means I didnt even have to rev it up to get it there but as soon as I turn on the electronics it settles down to the 14.5v range also remember my scooter is a totally dc system think of how a regulator works in an ac system if theres too much voltage it sends the extra to the ground right? in a totally dc system there is no ground its floating right? Im thinking my regulator may still be good and as a built in safety feature if its seeing too much voltage as it would from an 11 pole stator with no electronics on it just sends it to the battery the only place it could go without burning itself out I know Ive heard before that it is not good to run a scooter without any electronics on before because it could fry the regulator/rectifier
Im no electrician and I may be wrong about some of the suff I said but I ask you again are you 100% sure of your answer and if so could you maybe explain a little further on how you came to that conclusion.
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..BAD TO THE BONE..
