Charging PROBLEM!!! - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Electrical
Where does this wire go?
Includes Electrical mods, Lights, Stator,
Rectifier, Diagrams, etc

Reply
 
LinkBack Thread Tools Display Modes
post #1 of 16 (permalink) Old 02-13-2011, 07:58 PM Thread Starter
Member
 
Join Date: Jan 2011
Location: Deville, Louisiana
Posts: 40
iTrader: (0)
 
New Everything, Still no Charging!!!

Today I changed my stator and R/R and it still isn't charging. I have checked my grounds on the engine and on the frame. The 3 yellow stator wires are plugged all the way in and the R/R is plugged all the way in. All of the fuses are plugged in and good. I checked each of the 3 yellow wires for voltage where they plug into the harness for out put and each wire put out 8.9 volts, I checked the volts at idle and at 3500 rpms, nothing. I figure together they put out enough to charge?! I have no clue. Any ideas?

Last edited by master-paul; 02-14-2011 at 01:17 PM.
master-paul is offline  
Sponsored Links
Advertisement
 
post #2 of 16 (permalink) Old 02-13-2011, 08:06 PM
Banned
 
Join Date: Jun 2010
Location: Simpsonville, SC
Posts: 1,620
iTrader: (8)
 
You have to test the three yellow wires for AC voltage with the bike running and the three wires disconnected from the rest of the bike. I believe mine puts out around 20 VAC at idle and near 80VAC @ 5000 RPM
dariv is offline  
post #3 of 16 (permalink) Old 02-13-2011, 08:20 PM Thread Starter
Member
 
Join Date: Jan 2011
Location: Deville, Louisiana
Posts: 40
iTrader: (0)
 
Is that per a wire or connecting all of them together?
master-paul is offline  
 
post #4 of 16 (permalink) Old 02-14-2011, 04:04 PM Thread Starter
Member
 
Join Date: Jan 2011
Location: Deville, Louisiana
Posts: 40
iTrader: (0)
 
Mine checked out at about 78 VAC at 4500 rpms. I guess it is either going to be a wiring problem or a bad new r/r. I HATE WIRING PROBLEMS!!!
master-paul is offline  
post #5 of 16 (permalink) Old 02-14-2011, 09:24 PM
Sparky!!!
 
slimvulcanrider's Avatar
 
Join Date: May 2008
Posts: 8,695
iTrader: (3)
   
Garage
78 VAC @ 4500 rpm sounds good to me... what is the battery voltage DC at idle, 1500 rpm, 3000 rpm, 4500 rpm, and 5000 rpm with engine cold then again with engine hot?
slimvulcanrider is offline  
post #6 of 16 (permalink) Old 02-15-2011, 01:27 PM Thread Starter
Member
 
Join Date: Jan 2011
Location: Deville, Louisiana
Posts: 40
iTrader: (0)
 
Cold or hot and any rpm, starts off at 13.2 and starts falling until the bike dies.
master-paul is offline  
post #7 of 16 (permalink) Old 02-15-2011, 03:07 PM
Member? ... check.
 
ZCraggRatt's Avatar
 
Join Date: Apr 2010
Location: Tennessee
Posts: 512
iTrader: (4)
 
Garage
Electrical problems can be frustrating Paul. Just to be sure ... You have measured 78 VAC from each of the yellow stator wires to ground at 4500 rpm. right?
If that is true, then at least the stator seems to be in good working order.

On your next try, pull the two 10A fuses on the JB (headlight and taillight). Then, check for DC voltage at the R/R. Specifically, shove the probe in the top of the pin that is just at the locking tab of the R/R connector. It will be in the middle, and not yellow. This pin is designated as "M" in the schematics. I think the wire color will be brown. Document this voltage, and then do the same for the pin with the white wire. Check them at 2500rpm, and don't run the engine long. Let us know what you find after testing the R/R pins. Good hunting ...

~~C8> Ratt
________________________
'91 VN750 - Cosmic Splendor/Candy Wine - 10k mi.
Done: Coastered, .020 ign., Iridiums, VM, Plexistar II, MCCT's
Next: LED's
Will Do: MOSFET, Horns, Shave(maybe)

Last edited by ZCraggRatt; 02-15-2011 at 03:15 PM.
ZCraggRatt is offline  
post #8 of 16 (permalink) Old 02-15-2011, 03:24 PM Thread Starter
Member
 
Join Date: Jan 2011
Location: Deville, Louisiana
Posts: 40
iTrader: (0)
 
it will be a couple of weeks before I can mess with the bike again. Got things around the house to do but when I do I will start testing the r/r like you said. I am thinking it is between 2 things, the new r/r or wiring because the stator tested perfect. I turn down electrical problems on small engines all the time because the money isn't worth it. Thanks again for all the help.
master-paul is offline  
post #9 of 16 (permalink) Old 02-15-2011, 04:21 PM
Sparky!!!
 
slimvulcanrider's Avatar
 
Join Date: May 2008
Posts: 8,695
iTrader: (3)
   
Garage
ok MP, here it is for you, the brown sensing wire on the jb isn't sensing a load. try jumping it to the wite wire on the r/r (or back to the battery) this should make it charge.
slimvulcanrider is offline  
post #10 of 16 (permalink) Old 02-15-2011, 05:09 PM
Member? ... check.
 
ZCraggRatt's Avatar
 
Join Date: Apr 2010
Location: Tennessee
Posts: 512
iTrader: (4)
 
Garage
Quote:
Originally Posted by slimvulcanrider View Post
ok MP, here it is for you, the brown sensing wire on the jb isn't sensing a load. try jumping it to the wite wire on the r/r (or back to the battery) this should make it charge.
Thanks for thew assist slimvulcanrider. I guess that would be (or back to the "+" terminal of the battery) ... right?
ZCraggRatt is offline  
Sponsored Links
Advertisement
 
Reply

Bookmarks

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

Once registered, your User Name"cannot be changed". We can make exceptions within 7 days, but after that, it is set in stone.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome