vn 750, more problems - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Electrical
Where does this wire go?
Includes Electrical mods, Lights, Stator,
Rectifier, Diagrams, etc

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post #1 of 25 (permalink) Old 08-13-2009, 02:55 PM Thread Starter
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vn 750, more problems

i believe i am still having the recharging problem any ideas? i have put in a new battery new plugs i have replaced the regulator that just leaves the alternator stator, but im hoping that isnt the case. i will be riding the bike and it will just die, any ideas?
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post #2 of 25 (permalink) Old 08-13-2009, 03:06 PM
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thats not a lot of info to go on is the new batt agm? how far do u get befor she dies... you have a volt meter ? pull the three wires from the stator with the bike running measure ac voltage across the three wires then measure shut bike down measure ohm readings between the wires (all three combonations .3-.5ohm (not 100percent sure if those readings are corrrect) and measure resistance between the the three wires and the case (there should be infinite resistance at this point ) post your findings and we'll go from there



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post #3 of 25 (permalink) Old 08-13-2009, 03:13 PM Thread Starter
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the new battery is agm, and im a novice when it comes to this your speaking a forign language to me the the best information i can give is that it will only do it when the bikes has been ridden for awhile or if im in a lot of stop and go traffic, here is my last thread that i started pertaining to my previous hot start and headlight issues https://www.vn750.com/forum/showthrea...059#post103059 ,il have to get my brother law to help me check what you just asked me to do.
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post #4 of 25 (permalink) Old 08-13-2009, 03:15 PM
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heres a simple quick test pull the bike into a dark spot and let idle put hand in front of headlight and rev does the light get brighter?



Stator #3
MF AGM
DeGoated
Ears Shaved
R/R relocated
Rebuilt



She's worth her weight in GOLD
If u dont have it already Here is the Service Manual
How To Test the Stator
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post #5 of 25 (permalink) Old 08-13-2009, 03:15 PM
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Do you have access to a manual? That would help with troubleshooting too.

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post #6 of 25 (permalink) Old 08-13-2009, 03:29 PM
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u were guided throught the last thread with great help logicly its the only thing left the stator.. . but withoutt the tests i stated above im not gonna commit you to an engine pull where do u live? knowing your not mechanicly inclin chances are there is someone here that can help u physicly through this if not with a good camera and aa computer close by we can step you into a mechanical guru and to top it off you will end up with a chargin bike...



Stator #3
MF AGM
DeGoated
Ears Shaved
R/R relocated
Rebuilt



She's worth her weight in GOLD
If u dont have it already Here is the Service Manual
How To Test the Stator
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post #7 of 25 (permalink) Old 08-13-2009, 03:47 PM
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the other posibility is the Junction Box also known as the fuse box...there are three diodes inside of it wich can go bad, and from your headlight issues, this points me toward that. how much voltage are you getting on the brown wire at the R/R?
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post #8 of 25 (permalink) Old 08-13-2009, 03:50 PM
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Click HERE For a great flow chart to see where youre charging problem lays. You'll need a volt/ohm meter, beg, barrow or steal one but with this chart you can't go wrong.


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post #9 of 25 (permalink) Old 08-13-2009, 04:21 PM
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since we know you aren't very electrically inclined... we will break this down real simple for you. Go to Harbor Freight and pick up a $10.00 digital multi-meter. just get the simplest design possible with the fewest functions. Then once you have done that set the meter to the Ohms setting (Ω) and check the fallowing for resistance (and Record):
Stator wire A to Stator Wire B:

Stator wire A to Stator Wire C:

Stator wire B to Stator wire C:

after that, set the multi meter to check Voltage
Check voltage at battery with the battery fully charged in the fallowing conditions:

key off:

Key on:

engine ideling:

Engine at 1500 rpm:

Engine @ 2000 rpm:


Engine @ 3000 rpm:


Engine @ 4000 rpm:

after running these tests, post back the results
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post #10 of 25 (permalink) Old 08-14-2009, 04:28 AM
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I hope my translation is correct. Not exactly what the problem is to speak of. I had hot start problems and fix by reducing the separation between the plate and magnetic pickups, 2mm to 0.20 mm.
On the other hand had the problem that the beacon was lit at the time of the tap, this was because my Vulcan is 93 and the blue wire that goes to number 8 on the terminal junction box was wrong, the correct location is at number 8.
Un saludo.
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