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-   -   Start button keeps blowing fuses (https://www.hdforums.com/forum/sportster-models/645703-start-button-keeps-blowing-fuses.html)

Booey424 05-21-2011 01:00 PM

Start button keeps blowing fuses
 
About 1 month ago, I was at a local bike shop. I went to leave and I hit the start button and the starter engaged for a brief second and then nothing. All the lights worked and the horn, but it wouldn't turn over. I found out it was a blown fuse. I replaced the fuse and it has been fine.

But then today I went on a poker run and it did it again. I replaced the fuse and the first hit of the start button it blew the new fuse. I replaced it again and it worked fine the rest of the day.

Why is it doing this? Is the start button shorting out? Or is there a short somewhere in the system that keeps blowing the fuses? Untill I can figure it out, I guess I will just keep 10 or so fuses with me at all times. THANKS FOR ANY HELP

streetfighter06 05-21-2011 01:07 PM

Have you installed new bars or messed with your hand controls recently? If so, a wire may be pinched....

mreed 05-21-2011 04:02 PM

I'd guess it's your starter or something beyond that keeping it from operating...and you're lucky to have the fuse preventing further damage. I've seen entire an harness melt down from a chipped tooth in the primary, that when stopped in just the right position, wouldn't let the starter actuate.

Gpsjr10 05-21-2011 10:08 PM

If ya cant get it figured out soon, I have the Electrical Diagnostic manual for your bike. If you can get it to my house in Elyria, I'll take a look at it for free.

Scuba10jdl 05-21-2011 10:54 PM

My bet would be a short in the wiring system somewhere along the line of the starter. It keeps blowing a fuse, so I would trace every wire back from the fuse to see where it was. All it takes is a little pinch, like streetfighter said, or a little bit of melt on the insulation from too much heat and it'll quit on you.

Makes me happy I don't have an entire ECM circuit :)


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