Need help bad Electrical problem - ZX6R Forum
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post #1 of 10 Old 04-09-2017, 01:04 PM Thread Starter
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Need help bad Electrical problem

Turn key to on and nothing happens. It did it for a little while. But would wiggle key and it would work so Thought it was my ignition switch. Replaced it and still nothing happens. Sometimes when I put the key to on the gauges turn on but as soon I try to start, it turns off as if I had no key in. Check all fuses and even replaced 30 amp main fuse.
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post #2 of 10 Old 04-09-2017, 01:17 PM
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Check the main ground cable
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post #3 of 10 Old 04-09-2017, 01:37 PM Thread Starter
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I checked and nothing. My multi-meter has a huge voltage drop once I turn the key to on. So something is going on. Battery has >12 v off then down to 1 v when turn to on.
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post #4 of 10 Old 04-09-2017, 01:43 PM Thread Starter
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So I unplugged tail lights and now it stays on but not enough juice to turn over. So I have to have a short somewhere.
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post #5 of 10 Old 04-09-2017, 03:48 PM
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Originally Posted by 02ninja1979 View Post
So I unplugged tail lights and now it stays on but not enough juice to turn over. So I have to have a short somewhere.
Pull all the fuses except main. See if you still have voltage drop..
If so check out the schematics, that should greatly reduce the circuits that it could be.
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post #6 of 10 Old 04-09-2017, 09:36 PM
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post #7 of 10 Old 04-10-2017, 02:09 AM
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OP, how old is the battery?

Fully charged, it should read slightly more than 12 volts.

Get it load checked, before you tear into the bike too much....
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"There's this adage that we have 2 ears and one mouth so we should listen twice as much as we talk. Unfortunately with the Internet people have taken this old adage and turned it around. They have two eyes and 10 fingers so they think they need to post 5 times as much as they read. And since they have 10 fingers and one brain, they only have to think 10% of the time! "
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post #8 of 10 Old 04-10-2017, 03:56 AM
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Originally Posted by 02ninja1979 View Post
I checked and nothing. My multi-meter has a huge voltage drop once I turn the key to on. So something is going on. Battery has >12 v off then down to 1 v when turn to on.
Your battery is done. It should never drop to 1v even under a load.
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post #9 of 10 Old 04-10-2017, 06:54 AM
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Further on batteries, they degrade over time and lose capacity to 'hold' charge... that's what it means when someone says a battery has become sulfated. the inert material that chemically bonds to the plates blocks the plates from accepting or releasing electrons. It's a byproduct of the sulfuric acid used in the electrolyte that bonds to the plates when electrolysis. Happens with every battery... each charge cycle is very slightly less capable than the one before.

this is why it is recommended to use distilled water if you ever need to replenish the electrolyte -- you will limit the amount of foreign matter in the water that will eventually bond to the plates and make them inert. Tap water has so many minerals in it you will make the battery die sooner than it would otherwise.

"There's this adage that we have 2 ears and one mouth so we should listen twice as much as we talk. Unfortunately with the Internet people have taken this old adage and turned it around. They have two eyes and 10 fingers so they think they need to post 5 times as much as they read. And since they have 10 fingers and one brain, they only have to think 10% of the time! "
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post #10 of 10 Old 04-10-2017, 07:21 AM
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Electrical gremlins can mask and manifest themselves in various ways... Indy, PS, and RJ have the right idea.

Any electrical mods on the bike? (Its carbed, so no Fuel Controller, but just asking.)

Might have to go over wiring harness with multi-meter and inspect with a fine toothed comb... After a quick search/skimming the results, I've seen other posts about bad stator/rectifiers on your vintage of bike. Hope its not that bad.

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