battery 2 is now dead - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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Where does this wire go?
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post #1 of 14 (permalink) Old 06-02-2011, 06:38 PM Thread Starter
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battery 2 is now dead

So I got a new battery after having to constintly charge mine. Now the 2nd one is dead. Did a test on the positive and neg while running.

at idle it reads 12.30 and at 4000 rpms it reads 12.5.

What should my next move be?
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post #2 of 14 (permalink) Old 06-02-2011, 06:54 PM
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Test the stator for AC voltage. Pull the three yellow wires out of the bullet connectors and test with the bike running. 20VAC~70VAC is expected from idle to ~4000RPM. Check resistance lead to lead. Should be ~same. Test each to ground/case. Should be inf.
If the stator passes all of these tests, then the R/R is suspect. I have a suspicion that bad design/placement of the R/R causes it to fail, ultimately taking the stator with it....
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post #3 of 14 (permalink) Old 06-02-2011, 07:27 PM Thread Starter
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two of the wires read 25.** and one reads 1.*
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post #4 of 14 (permalink) Old 06-02-2011, 07:33 PM
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25 what? 1 what? are you talking ohms or volts??
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post #5 of 14 (permalink) Old 06-02-2011, 07:39 PM Thread Starter
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acv...not sure how to test ohms.
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post #6 of 14 (permalink) Old 06-02-2011, 07:42 PM
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You are testing in pairs, right? So you mean to say one pair is 1VAC? if so, I think you got a bad stator........
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post #7 of 14 (permalink) Old 06-02-2011, 07:58 PM Thread Starter
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sorry i am not real handy with a meter. (while running) I unplugged each yellow wire separately one at a time and hooked my red wire from the meter to the lead and the black of my meter to the body of the bike. Thats how i took the reading from each wire. Then (with the bike off) i did the same with the meter in ohm setting. only one of the wires gave a reading in the ohms setting. Are there any videos or diagrams on how to test? sorry im a computer guy not a mechanic...but im ready and willing to learn!
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post #8 of 14 (permalink) Old 06-02-2011, 08:12 PM
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Remove all three yellow wires and start the bike. Test AC voltage from one yellow wire to another one. There are three pairs....... example: three wires, 1, 2, and 3. Test AC voltage between pair 1,2 and pair 1,3 and 2,3.
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post #9 of 14 (permalink) Old 06-02-2011, 08:22 PM Thread Starter
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ahh ok. Do they need to go back in any particular order? I dont want to unplug and them plug back in to the wrong wire since there all yellow.
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post #10 of 14 (permalink) Old 06-02-2011, 08:26 PM Thread Starter
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they all read .006 vac
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