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Ignition cuts power


davidbg93
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Hello.. todays problem on my GPZ500S is that when I turn the key the ignition comes on and all the lights and horn etc work - then when I hit the engine start button all the power just cuts out. All the fuses are fine and after about 10-15 second it will turn back on again and do the same thing again... battery is fully charged on a trickle charger... no wires touching each other that shouldnt be as far as I can tell... any ideas?

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Hello.. todays problem on my GPZ500S is that when I turn the key the ignition comes on and all the lights and horn etc work - then when I hit the engine start button all the power just cuts out. All the fuses are fine and after about 10-15 second it will turn back on again and do the same thing again... battery is fully charged on a trickle charger... no wires touching each other that shouldnt be as far as I can tell... any ideas?

 

Check the earths.....especially the battery to frame and engine to frame...thats what often gives those symptoms...

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as said check earths, if you have heated grips an alarm or other accessories try disconnecting them. check the connections to the starter solonoid as well.

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Put a multimeter across the battery then hit the starter and give us the reading


Battery could be shafted and when load is applied it could lose all power

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Hi, thanks everyone

I'm certainly no expert but can't see anything obvious - have a look

 

Ok thats the battery end but what about the other end of the main wires (the thick ones that come off the battery) especially the Negative one where it joind the frame/chassis?


And are those we can see tight?

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they have a little play in them but they are reasonably tight


I have just spotted this red wire in the bottom of the picture that seems to be disconnected from a socket - could that be what's causing it?

1273382611_IMG_0441(Copy).thumb.JPG.144972b5b600b44288f79d65f2ff0b58.JPG

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what about the other end of the main wires (the thick ones that come off the battery) especially the Negative one where it joind the frame/chassis?

 

:stupid: this is what I would do first

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