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My sons125 marauder keeps blowing fuses as soon as I attach the battery even when the ignition is off what could cause this

The bike was completely dead, hoping against hope I charged the battery, as soon as I attached the battery the negative connection sparked as I put it on the terminal. I replaced the fuse and it blow even before I got it in place properly. Any ideas what could cause this.

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There seems to be a short in the wire harness, you will have to use a tool to trace where the short is and it often is not an easy task. There are specialized tools, some not very expensive and if you are not too savvy, it'd be worth investing in a tool like power probe but there are cheaper alternatives like SG Tool Aid 25100 Short Tester for $25 (Amazon) which could do the job for less money. Also if you have a multimeter, you could use it to track down the short but that would require more skill and time.

Posted on Nov 21, 2013

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  • 4 Answers

Sounds like a wire melted and its a dead short trace all i mean all wireing front to back top to botom

Posted on Nov 21, 2013

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Posted on Jan 02, 2017

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SOURCE: blows ignition fuse when key is turned on

Look for a grounded wire on the ignition switch or a break in the wiring leading to the fuse. Wiring system on motorcycles are a close system with only the battery being grounded to the frame. Any loose connections or breaks in the wires that will allow the current to jump to the frame with cause you tons of fun.

Posted on Jan 25, 2009

  • 66 Answers

SOURCE: 30AMP FUSE KEEPS BLOWING WHEN I CONNECT THE BATTERY

i have had that happen when i accidentally hooked cables backwards to battery.red cable(pos) to post w/ + next to it & black cable(neg) to post w/ _ next to it is correct.

Posted on Feb 16, 2009

  • 2 Answers

SOURCE: 10a ignition fuse blowing

check wires under seat and around frame sounds like you have a bare wire somewere.

Posted on Jul 01, 2009

bozcro
  • 867 Answers

SOURCE: 200o 1500 vulcan classic. My ignition fuse blows

you have a short somewhere in the ignition line. check all connections at coil, check for worn spark plug cables grounding on block.

Posted on Jul 26, 2009

  • 269 Answers

SOURCE: accessory fuse keeps blowing, headlight not working

I know this sounds aomewhat general, however please give the following some thought:
Check your relays, if you have an aftermarket horn you may have a different relay. To troubleshoot unplug your headlight, unplug your horn, etc.. Turn your ignition switch to accessory only. See if the fuse pops. If it does unplug whatever added accessories you may have still have plugged in. Once you can get the fuse to stop popping, turn the ignition switch to on. Then one at a time plug you accessory, headlight, etc. back in. When you find what pops the fuse, unplug that item, start plugging in the other items, if the fuse has not popped you have potentially isolated the circuit causing the issue. Now check the wiring for loose connections, bad ground, and CHECK the relay if that item has one. Hope this helps,

JP

Posted on Aug 19, 2009

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Hi, Irisgt1 before diagnosing your blown fuse issue check the bottom of your seat if it's metal and comes in close proximity to the positive battery post you need to take the necessary steps to ensure there is no contact (electrical tape, thick rubber insulation, hammer a dent in the seat bottom etc.) also you are going to need a wiring from your service manual a test light, an ohmmeter and plenty of extra fuses. If you turn on your ignition switch and immediately blow a fuse you have a hard/dead short and is usually easy to find. With a test light connected to the hot side of the blown fuse holder start stabbing the wire/s that leads away from the fuse holder and towards the ignition switch, you test light will illuminate validating the short. When the test light fails to illuminate you have passed the short and need to back up until the test light illuminates, then look in the immediate area for the short.
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http://www.r6messagenet.com/forums/r6-maintenance-technical/71620-help-keep-blowing-ignition-fuse.html
1997 2007 Yamaha YZF600 Service Repair Factory Manual INSTANT DOWNLOAD... $10 cheap
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I have a 2004 Suzuki Marauder VZ1600. I was out riding last night and made several stops. When I stopped at my last stop and tried to start the bike it was dead. I put a jump box on it and it started right...


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Secondly, if your battery checks out as being good, the only other thing I could think of it being is your charging system. That being comprised of a stator and a voltage regulator. These are semi expensive parts so, once you get past the battery check, I'd advise you to either get a manual for your bike, and some testing equipment (if your mechanically inclined), or take you bike to a reputable cycle shop and have them check it out. This way your not replacing good parts trying to track down the problem.

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Blows ignition fuse when key is turned on


Look for a grounded wire on the ignition switch or a break in the wiring leading to the fuse. Wiring system on motorcycles are a close system with only the battery being grounded to the frame. Any loose connections or breaks in the wires that will allow the current to jump to the frame with cause you tons of fun.

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