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Signal, brake, horn fuse blowing during acceleration.....any ideas?

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Old Oct 2, 2008 | 07:05 AM
  #1  
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Default Signal, brake, horn fuse blowing during acceleration.....any ideas?

Acts as though it happens as the signals go through auto cancel.

When the bike is off or just idling, no problems. Accelerate, and it blows the fuse everytime. Have checked wiring pretty thoroughly.

Wondering if the TSSM is bad.

Dealing with an 06 FXDI.

Any help or experience with a similar problem out there?

Thanks, John
 
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Old Oct 2, 2008 | 11:25 AM
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Check the wire bundle where it comes out of the fuse panel box at the rear of the engine. The rocking engine will wear a hole in it and cause a short.

Semper Fi
 
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Old Oct 2, 2008 | 12:51 PM
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Did you put new grips or bars on ur bike. If so check the wire by the grips. Same thing happened to me, I pinched a wire changing grips.
 
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Old Oct 2, 2008 | 12:59 PM
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John, if you think its related to the auto cancel,
Try leaning the bike over for a second, then straightening it up (with the signal on). If it pops the fuse, then youre probably right with the TSSM
 
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Old Oct 2, 2008 | 01:05 PM
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Originally Posted by mynzbtr1
Did you put new grips or bars on ur bike. If so check the wire by the grips. Same thing happened to me, I pinched a wire changing grips.
+1.... happened to me, I pinched a wire at the handlebars when I installed an HD cruise controll. There was plenty of warnings that it could happen in the instructions.
 
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Old Oct 2, 2008 | 01:13 PM
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check pinched wires as stated but also check your wires under the rear fender right above the tail light... if the tire has bumped it that metal support bracket under there may be shorting it out
 
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Old Oct 2, 2008 | 05:28 PM
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Originally Posted by kk6pg
John, if you think its related to the auto cancel,
Try leaning the bike over for a second, then straightening it up (with the signal on). If it pops the fuse, then youre probably right with the TSSM
I thought the auto cancel works off of changes in speed not lean angle. Not completely sure but just throwing it out there.
 
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Old Oct 2, 2008 | 07:03 PM
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Sounds like a voltage regulator.
 
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Old Oct 4, 2008 | 06:01 PM
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Just posting to thank you guys for the replies. I originally posted this in a hotel room while on vacation. The wireless conenction in the room sucked, so this is the first time I have gotten back on to see what information you have shared. I am going to see if I can get a voltage reading off the regulator output tomorrow.

Again, thanks and more replies are greatly appreciated.

John
 
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Old Oct 4, 2008 | 09:08 PM
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John-I have the same problem only mine includes the speedometer also. It all started when I rubbed the left turn signal wire with the new wider rear tire. It's in the dealer's hands now so I will let you know the outcome. BTW, I read a thread in the electrical forum from a guy that fried the printed circuit board in the tail light mount. His problems were exactly the same as mine. I keep blowing a 15amp accessory fuse. Mine blows the fuse as soon as you turn the ignition on, but still runs. I will let you know what the dealer has to say. His electrical problems chaser will be back at work on Tuesday.
 
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