CL360 Blowing 7A fuses
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  1. #1
    Junior Member steamwilliams's Avatar
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    CL360 Blowing 7A fuses

    Hello all,

    My bike starts and runs great, but once the bike heats up, my 7a fuses blow. My headlight goes first as soon as I sit on the bike and put it in gear.

    I suspect that there is a short somewhere, but I've gone through the handlebar connections, and checked in the headlight bucket and everything seems to be clean and connected. I've also gone through the wire diagram to see where the 7a wires lead, and I haven't found anything out of the ordinary.

    Any ideas as to where the short could be? Or is there a bigger problem that I'm over looking?

    I'd also like to add that if I ride the bike for a while at higher rpms, the 15a fuse will also blow. The main fuse doesn't blow as easily as the 7a, but it still will blow.

    Like I said, I've insulated the handlebar connectors, and I've checked all connections to major grounding areas and I haven't found anything out of the ordinary.

  2. #2
    Super Moderator ancientdad's Avatar
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    Moved to 250s/350s/360s Electrical
    Tom

    CL450 project reboot, street legal this time

    Budget drag bike project

    Ride along at the drag strip



    running points... because I'm too old for mysteries that begin with pushing

  3. #3
    Sensei 66Sprint's Avatar
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    I'm going to bet they are SAE fuses that are blowing (AGM, AGT, etc)...... Phone me.....
    knauff13 likes this.
    "I have a mind like a steel trap.....Old and rusty, of antiquated design, and hard to get stuff back out of...."
    Contact info: E-mail; [email protected] Phone; 540-525-5199

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  5. #4
    Senior Member mike in idaho's Avatar
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    I got tired of looking for glass fuses, now I just cut the fuse holder out and wire in a blade-type fuse holder. You can even get a small circuit breaker that will fit where that blade fuse plugs in.
    knauff13 likes this.
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  6. #5
    Super Moderator frogman79's Avatar
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    With Steve on that, wrong type fuses. Someone needs to make a plug in fuse box for the 360s that accepts blade fuses since it has 3 of them...

    For those that search this later, SAE fuses are a different length than metric fuses, they do not contact enough of the holders on either end which causes the resistance to go up which causes more current to flow through the fuse than it is rated for. Fuses are basically resistors, little bit of time and heat and POP. This can be remedied by modding the holders to ensure they contact ALL of the metal part of the fuse. Or buy the right ones.

  7. #6
    Senior Member Sonreir's Avatar
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    Quote Originally Posted by frogman79 View Post
    With Steve on that, wrong type fuses. Someone needs to make a plug in fuse box for the 360s that accepts blade fuses since it has 3 of them...
    Hmmm...

  8. #7
    Super Moderator ancientdad's Avatar
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    Quote Originally Posted by Sonreir View Post
    Hmmm...
    I wondered if that would get your attention... and I figured it might
    Tom

    CL450 project reboot, street legal this time

    Budget drag bike project

    Ride along at the drag strip



    running points... because I'm too old for mysteries that begin with pushing

  9. #8
    Senior Member knauff13's Avatar
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    The 400A uses 3 too! I was just looking for this last week.
    Ben Knauff
    1978 CB400A Hawk Hondamatic

  10. #9
    Super Moderator frogman79's Avatar
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    Lol, I wondered if Matt's ears were burning as I typed that...

    Sent from my SM-G973U using Tapatalk
    ancientdad likes this.

  11. #10
    Sensei 66Sprint's Avatar
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    Franz,

    I gotta laugh as well.....I had already sent Matt a PM to that effect by the time you posted your subtle hint to him.....
    "I have a mind like a steel trap.....Old and rusty, of antiquated design, and hard to get stuff back out of...."
    Contact info: E-mail; [email protected] Phone; 540-525-5199

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