Electrical issue. Pleeeease help! - MVAgusta.net
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post #1 of 6 (permalink) Old 01-17-2014, 04:30 PM Thread Starter
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Electrical issue. Pleeeease help!

I just replaced my battery. As soon as I connected the battery all lights and the fan came on. The ignition switch doesn't seem to make difference whether it is on or not. Also nothing happens when I press the starter button regardless of the key being turned or not.

Any help would be appreciated.
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post #2 of 6 (permalink) Old 01-17-2014, 05:40 PM
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If it is an F4 there are quite a few threads about battery polarity and positioning. Also which cables are connected to which terminal.
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post #3 of 6 (permalink) Old 01-17-2014, 08:10 PM Thread Starter
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It is a 2006 Brutale 910S. All I did was replace the battery.
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post #4 of 6 (permalink) Old 01-17-2014, 08:30 PM
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Look closely at the battery. It lies on the side in the bike. Is the red lead connected to the battery positive (+) terminal?

If you connect the battery with reverse polarity the SPU will freak out giving you the kind of symptoms you described.

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post #5 of 6 (permalink) Old 01-18-2014, 06:02 AM
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This is the right way.
The negative terminal is facing forward.

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post #6 of 6 (permalink) Old 01-19-2014, 07:03 AM
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With the symptoms you describe my first thought was you reversed the polarity.
As the other folks mentioned these symptons are SPU related.
Have a look at your SPU, is it a "blueback" ??

Also check the fuse, could be blown while connecting the battery.


Last edited by BrutaleHornet; 01-23-2014 at 10:37 AM.
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