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bike wont charge...again

  • Thread starter Thread starter Guest
  • Start date Start date
turbojonn said:
Imeasured the legs by setting the volt meter to 20v dc and putting the positive lead onthe leg and the black lead to battery ground.
Click to expand...
Shouldn't the meter be set to AC and each meter lead on a leg?
As in leg#1 & leg#2,
then leg#2 & leg#3,
then leg#3 & leg #1?
 
I was testing wrong. I found a youtube vid that uses this sites charging test. I cant go wrong now.
 
Stator is good. Helps if I read the directions. I was measuring wrong. The legs all produce up to 80 when revved.
 
The discolored positive lead to the panel is just grime. I sanded every contact and put electrcal grease on them.
 
If you have 80+ volts AC at each stator leg then your stator is probably not the source of your charging problem. You can do a quick double check and check the DC resistance between each of the stator legs and ground. If you read an open circuit then you're good. Start looking at the R/R or wiring as being the problem area.
 
Best to do leg to ground test while doing the running AC test- the alternating high voltage tortures the windings more than the low voltage of a multimeter's ohm test. My last failed stator passed the ohm test, but failed the leg to ground AC . It was BBQ'ed upon inspection.
 
turbojonn said:
The discolored positive lead to the panel is just grime. I sanded every contact and put electrcal grease on them.
Click to expand...
I guess there is always time to redo that, how does sanding contacts get inside of crimps? Answer it does not.
 
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tom203 said:
Best to do leg to ground test while doing the running AC test- the alternating high voltage tortures the windings more than the low voltage of a multimeter's ohm test. My last failed stator passed the ohm test, but failed the leg to ground AC . It was BBQ'ed upon inspection.
Click to expand...
saved me from having to type that :)
 
If you do pass the leg to ground @5k rpm tests then redo the quick test to see if your numbers improve any with the clean up done.
if it improved the run the phase A tests where you measure voltage drops. It is possible you just have very high resistance preventing the battery from charging.
 
Found the problem. Two rubber sealed spade connectors were were side by side and had worn through the insulation. It was inside the harness inside a rubber boot inside a taped connection bundle. Life is good once more. Thanks for all the help and patience. Alot of other stuff is cleaned up now as a result, especially the fuse holders.
 
It's hard wired in with almost no slack left. It showed 13.7 charging. Maybe next weekend. Im revaling in the moment for now. I'll post a pic of the offending pair of connectors tonight. Sneaky liitle issue.
 
turbojonn said:
It's hard wired in with almost no slack left. It showed 13.7 charging. Maybe next weekend. Im revaling in the moment for now. I'll post a pic of the offending pair of connectors tonight. Sneaky liitle issue.
Click to expand...

The sneaky issue showed up on the leg to ground but not the leg to leg test right?

Textbook case of 1st Law of Stator testing

http://www.thegsresources.com/_foru...ECOND-LAW-of-Stator-testing&highlight=Phase+B

13.7V means you have dirty connections between battery and R/R and the fusebox is the first place to start and don't get out the sandpaper :(.
 
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Here's the pic
1448851528196.jpg

I think I'll clip out the connectors and hard wire these two pieces.
 
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