No Power to Start Button - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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Where does this wire go?
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post #1 of 19 (permalink) Old 03-29-2012, 03:55 PM Thread Starter
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No Power to Start Button

Hi,

I have had my Vulcan 750 off the road over the winter as I have been doing some work on it.

I came to turn the engine over the other day to prep it for MOT and there is nothing from the start button.

with Key in and ignition on I have lights both on dash and running lights but it seems like there is no electric going to the start button, so I put a new Start solonoid on it and still nothing not even clicking.

I have had the dash off and clocks but I plugged everything back

I am now out of Ideas can anybody help?

Cheers

Chris
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post #2 of 19 (permalink) Old 03-29-2012, 04:22 PM
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Originally Posted by Chris.Mcr View Post
Hi,

I have had my Vulcan 750 off the road over the winter as I have been doing some work on it.

I came to turn the engine over the other day to prep it for MOT and there is nothing from the start button.

with Key in and ignition on I have lights both on dash and running lights but it seems like there is no electric going to the start button, so I put a new Start solonoid on it and still nothing not even clicking.

I have had the dash off and clocks but I plugged everything back

I am now out of Ideas can anybody help?

Cheers

Chris
To my best memory, the power to the start button originates from the Ignitor box located on the right - near the battery. Remove 2 the connectors - check/clean them well.
Good Luck
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post #3 of 19 (permalink) Old 03-29-2012, 04:42 PM
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Kill switch?


Gotta ask the obvious.


You could take off the housing and check to see if in fact there is no power going to the switch. Not sure if the starter has it's own fuse.

Might try going over all those wires you had unplugged again and make sure you didn't miss something.

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post #4 of 19 (permalink) Old 03-29-2012, 05:26 PM
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Let me chime in on this if I may. Did you actually check for voltage at the start button or just nothing is happening when you press the start button?
Also do you have a schematic for the starter circuit?
The way I see it is this. Voltage from the battery goes thought the JB VIA the 30 Amp fuse, then to the ignition switch, the engine stop switch then the start button. Pressing the start button send voltage back to the JB to the starter circuit relay. Thats only half of it. The starter circuit relay also needs a ground. It gets this ground VIA the starter lockout switch and the neutral switch. If all this is working properly it sends 12VDC to the stater relay.
One thing you can do is pull the 2 pin connector from the starter relay, The blk/yel wire should be ground, the YEL/R wire should have 12VDC after pressing the start button as if you were going to start the bike. I would start there to see which direction you need to go.
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post #5 of 19 (permalink) Old 03-29-2012, 06:26 PM
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Just some things to check:
(put the bike in neutral)

1. Do you get a "neutral" light on the dash when the key is turned on?

2. Does your tail light come on when you turn the key on?

3. Is the electrical connector to the clutch lever clean and fully engaged?

4. Have you tried pulling the clutch?

5. Are the connectors at the jb clean and fully engaged?

~~C8>
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post #6 of 19 (permalink) Old 03-29-2012, 07:59 PM
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Check the two wire connector under fuel tank - left side. The connector runs through a small bracket on the frame. It may appear together/connected but be slightly apart.
If lights come on and starter button is dead this could be the problem! Good luck.
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post #7 of 19 (permalink) Old 03-30-2012, 09:29 PM Thread Starter
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Cheers guys!! I have managed to get it working, it was a dodgy wire to the clutch switch, so I put a new multi plug on it.

Cheers Ride Safe!7
Chris.
uk
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post #8 of 19 (permalink) Old 03-31-2012, 06:18 PM
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Good on ya for finding the problem mate! (In my best affected Aussie accent, picked up over there 40 years ago, lol )
Electrical gremlins are my biggest hate.

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post #9 of 19 (permalink) Old 03-31-2012, 11:51 PM
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had the same problem on mine when i broke her out of storage. I had power to everything but the start button. Not sure what caused it. I had jumped the starter solenoid with a screwdriver( I know I know haha). she started right up and havent had a problem since. still not sure what caused it but she works everytime now. hopefully you have the same luck. Mick
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post #10 of 19 (permalink) Old 07-21-2014, 09:26 PM
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Its my turn folks. Same issue, no power to the start button. So I cleaned the contacts with a mini wire mesh brush. I put everything back together including the little pin. As soon as I press the start the button, all the lights on the dash turned off.

What did I mess up? I checked the main fuses, and all 4 looks good. Any info would be much appreciated. Thanks.
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