Why does ACC Fuse blow? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 7 (permalink) Old 05-17-2012, 05:42 AM Thread Starter
wickedwhip21
 
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Why does ACC Fuse blow?

I just replaced the stator in my VN750. I hooked the battery back up, and got a spark when I attached the negative lead. Didn't think nothing of it, turned the key and headlight came on. Went to hit the start button. Nothing! No relay click, no starter turn over. Opened fuse panel, and the 10A ACC Fuse blew. Went to replace fuse, and sparks shot out at me and fuse blew immediately. Nothing is hooked up the the ACC wires on the bike, checked all the grounds, wiggled key and start button around, and got nothing. Any ideas? I see that the ACC Fuse is pins 3A and 3B on the 10 pin. Out of circuit, 1 is grounded, and the other is not.....Any help would be appreciated. Thanks!

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post #2 of 7 (permalink) Old 05-17-2012, 06:55 AM
Ndr
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you sure the acc wires aren't grounding out? do all the wires still have their protective rubber boots on em?
make sure you are checking both sets: in the headlight bucket, and under the seat behind the right side cover. If that's not the case, sounds like a piece of one of the positive wires cracked/split and the insulation came of and the wire is grounding to the frame or to some other ground wire/point. Trace the wires back and look for wear and tape accordingly.

as to why you are getting a completely dead system when the accessory fuse blows? not sure. Still makes me think its a grounding issue though.

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Last edited by Ndr; 05-17-2012 at 07:03 AM.
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post #3 of 7 (permalink) Old 05-17-2012, 07:02 AM
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Umm the one that is grounded is blowing your fuse. Either trace it back to see where it's grounding or cut/ remove it from the JB. Assuming your not using it.
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post #4 of 7 (permalink) Old 05-17-2012, 08:00 AM
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.....turned the key and headlight came on.........


I thought the headlight did not go on until you started the bike.??

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post #5 of 7 (permalink) Old 05-17-2012, 08:07 AM
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Quote:
Originally Posted by Knifemaker View Post
.....turned the key and headlight came on.........


I thought the headlight did not go on until you started the bike.??
It shouldn't go on until the bike is started unless the headlight relay has been bypassed.

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post #6 of 7 (permalink) Old 05-17-2012, 09:22 AM
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Quote:
Originally Posted by Knifemaker View Post
.....turned the key and headlight came on.........


I thought the headlight did not go on until you started the bike.??
Yea. If the headlight relay has not been bypassed, it would suggest that voltage is feeding back through the R/R.
I would leave the ACC fuse out, unplug the R/R, and see what (if anything) changes.

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post #7 of 7 (permalink) Old 05-19-2012, 10:06 AM Thread Starter
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I forgot to mention the headlight was bypassed. So I went through every wire I could think of that relates to the ACC. I checked every connection, every ground, continuity, and got nothing. I hooked everything back up, and my bike started up. The ACC how ever is still blowing fuses. Have the fuse out for now, I will test the box when I get a chance. I wasn't thinking it would be the box, but who know's. Thing that baffles me is why did the bike not start originally? PFM I guess!

Give you a quick run down of the terror that happened to me, and why I had to replace my stator: I completed the tuxedo stator replacement mod. I just used bolts I had laying around in the garage. Needless to say, the bolts I used were not high strength. The stator sheared off the plate holding it, and got ground up by the rotor . Wasn't pretty at all!! I got it all done correctly now, and am back on the road. Check out the pic of the stator/rotor that came out of the mess. I have drained the oil twice now, and still taking chunks of plastic, magnet, copper, and sheathing out of the oil. I just hope, I can get it all out without any damage to the engine!
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Wickedwhip21
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