Issues - 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 48 (permalink) Old 07-03-2013, 02:25 PM Thread Starter
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I am not charging again. I have a new Shindengen MOSFET and a TPE Stator. I l have removed the engine three times now and put it back in. The first two times the charging system was working great.. I just had some leaks so had to dismount to fix those. Now finally on the third time I have no leaks .. AND my with a meter across the terminals I was getting around 13.5 V with throttle. Just now it freakin died on me. Pushed it back to my garage and voila it wont start because the battery is just reading like 12.2 and it wont go above 12.4 with throttle. I swear there is someone who hates me up there. I guess I just have to run through the RR and Stator tests again once ... and take it in.
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post #2 of 48 (permalink) Old 07-03-2013, 03:27 PM
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Check all your grounds etc. It's probably a loose wire..

Run through your tests to confirm but I'm betting it's just something loose or disconnected.

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post #3 of 48 (permalink) Old 07-03-2013, 05:45 PM
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I agree that you should check each and every connection thoroughly before removing the engine again. Use the special grease on each connection and you will come across the problem I am sure. Good luck.

and always remember, "Ride until you rot!"
**Really not sure if the Big "C" is back right now
but having to face the fact that this is a lifetime routine
going forward. Five operations done and it still continues.

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post #4 of 48 (permalink) Old 07-03-2013, 09:35 PM Thread Starter
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I mean im getting charging voltage when measured out of the two mosfet wires but not across the battery terminals. What could be causing the voltage loss. Like I connect the mosfet to just a battery and it charges it.
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post #5 of 48 (permalink) Old 07-03-2013, 09:35 PM Thread Starter
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Theres no loose wires or rusty connections that I have checked.
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post #6 of 48 (permalink) Old 07-04-2013, 01:24 AM
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so out of the R/R you are getting 14.5 Volts but the 14.5 volts aren't reaching your battery? you have a bad connection, or broken wire/s
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post #7 of 48 (permalink) Old 07-04-2013, 01:31 AM
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Quote:
Originally Posted by slimvulcanrider View Post
so out of the R/R you are getting 14.5 Volts but the 14.5 volts aren't reaching your battery? you have a bad connection, or broken wire/s
Or a bad battery...

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post #8 of 48 (permalink) Old 07-04-2013, 10:25 AM Thread Starter
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Its a new battery. Its not the MOSFET wires since Im gettn the 14.5 at the end of them. Something else in the electrical system is draining ~2 V somehow. I already know I have a bad kickstand switch but thats whatever. But something somewhere is building up resistance I think. The terminal connections are solid too.

Last edited by GENERA1; 07-04-2013 at 10:30 AM.
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post #9 of 48 (permalink) Old 07-04-2013, 11:00 AM Thread Starter
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I wish there was a member in the area I could pay to come check this thing out ha
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post #10 of 48 (permalink) Old 07-04-2013, 11:07 AM
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Sounds like a wet cell battery, my AGM would have started at that voltage.. 12.2 .. It even started at 11.5v.

Have you tried the headlight trigger bypass? If you read the posts on it, it's supposed to get you another volt or two if the voltage is down, your headlight will just come on as soon as you turn the key to on. Not a big deal with a good battery.

I believe it's the 8-pin connector, move the blue wire to the only empty hole. A small screwdriver is needed to unlock the spade in the connector. Double check me on that, might be the 10-pin connector. I have it done on mine, I just can't remember 'stuff'.

If you still have problems, it might pay to have the battery load tested and amp draw checked on the starter.

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