Crap..
Extreme HDF Member
Joined: Sep 2010
Posts: 14,744
Likes: 402
From: Phoenix '53, '88, '09 Big Twins
too much coffee overlong post:
the fuse material is a soft metal- the design is that if the current flowing through the fuse exceeds the rating, the material will melt from the heat and part, breaking the connection. flowing electricity creates the heat.
sometimes if you look at a the material in a fuse you will see that it has "sagged" from repeated exposure to heat- this can include motor or other heat source
in these cases the fuse may "blow" for no real reason- even a bump in the road.
so it can be a good idea to replace fuses every once in a while.
in the case of a short circuit, the fuse material will not sag, it will explode, covering the inside of the fuse housing with spatter and carbon black.
knowing the difference between how a fuse looks when it is overloaded ( sag) and shorted out ( spatter) can save alot of time trouble shooting.
circuit breakers also relay on heat to trip- ( and some self reset when they cool) and overtime breakers get weak. On some harley models the main circuit breaker is fairly close to the rear exhaust header pipe and can trip for no electrical reason, but from that heat. when the bike cools the breaker resets and all of a sudden everything works.
mike
the fuse material is a soft metal- the design is that if the current flowing through the fuse exceeds the rating, the material will melt from the heat and part, breaking the connection. flowing electricity creates the heat.
sometimes if you look at a the material in a fuse you will see that it has "sagged" from repeated exposure to heat- this can include motor or other heat source
in these cases the fuse may "blow" for no real reason- even a bump in the road.
so it can be a good idea to replace fuses every once in a while.
in the case of a short circuit, the fuse material will not sag, it will explode, covering the inside of the fuse housing with spatter and carbon black.
knowing the difference between how a fuse looks when it is overloaded ( sag) and shorted out ( spatter) can save alot of time trouble shooting.
circuit breakers also relay on heat to trip- ( and some self reset when they cool) and overtime breakers get weak. On some harley models the main circuit breaker is fairly close to the rear exhaust header pipe and can trip for no electrical reason, but from that heat. when the bike cools the breaker resets and all of a sudden everything works.
mike
Stellar HDF Member
Joined: Mar 2010
Posts: 2,625
Likes: 129
From: Black River Falls, WI.
This will sound funny, but once ya get the outer fairing off, get right close and smell around. i found the cure to my problem, identical to yours by doing this. I was lucky enough to smell that plastic insulation burn smell and the blood hound in me traced it down to 1 of 2 wire loom sections, opened up the loom and there it was, worn loom and wire. Sealed it all up and fixed broken bracket and also added some rubber seal material on the edge of the brackets on both sides and have not had a problem since then. Good luck and I hope this helps
Kris
Kris
Road Warrior
Joined: May 2009
Posts: 1,945
Likes: 4
From: Victoria, Australia
Well I must be getting silly as I age. Didn't read the first post by whiskersvtwin properly until now...
Power and clock shutdown is NOT a symptom of a cracked board. When I started reading it I ASS_UMED he lost the sound-- it happens so often anyway.
Pardon my stupidity in my earlier post...
Power and clock shutdown is NOT a symptom of a cracked board. When I started reading it I ASS_UMED he lost the sound-- it happens so often anyway.
Pardon my stupidity in my earlier post...
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