Author Topic: Single fuse paranoia  (Read 631 times)

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Offline Henning

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Single fuse paranoia
« on: October 01, 2012, 12:12:45 PM »
My 750 K1 has only one fuse. That means a piddly little short circuit anywhere in the wiring will leave me with no drive and no lights. It's dark when I leave for work and the thought of winding up with a dark, dead bike in the middle of a three lane highway with cars whizzing past on both sides is working me up to a solid case of paranoia, to the point where it's ruining my commute.

I already have a relay wired directly to the battery to provide power for the coils and ignition, but the relay is activated from the kill switch, meaning if the fuse goes, so does power to the ignition. So I'm thinking of adding a relay/changing relay type so the relay stays on even if the fuse blows. That means key and kill switch on, power to ignition. Fuse blows (or key off) and kill switch on, still power to ignition. Key off and kill switch off, ignition loses power.

Any suggestions how I could do this?
71 or thereabouts 750 K1 - this one should have been put down

Offline Toxic

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Re: Single fuse paranoia
« Reply #1 on: October 01, 2012, 12:42:08 PM »
No clue as to the answer to your specific question but, if you are really paranoid about it, spend some time cleaning and examining every connection on the bike. There are lots of great tips on this site on how to do that. Once you know your wiring harness is in top shape you can relax. 
BTW ... I had the same feelings about my 40 year old harness and after 2 hours of checking and cleaning, I haven't given it a second thought.

Offline DustyRags

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Re: Single fuse paranoia
« Reply #2 on: October 01, 2012, 01:00:26 PM »
Get some nice, bright battery operated lights- maybe some bike lights or something (they make some very bright ones), or a flashlight. Maybe you can even find something that hooks directly into the 12v battery, but if you've got a short, you might loose that quick too. That way, you'll always have light, completely independent of your wiring, bulbs, etc.

Overkill? Sure. But overkill kills paranoia dead :)
1976 CB550K- sold
2005 Kawasaki Vulcan 500- sold
2000 CB750 Nighthawk - sold
1975 XL350 - crashed
2004 Suzuki Vstrom 650 - sold