Lurker
Piaggio MP3 500
Joined: 15 Oct 2020 Posts: 4 Location: Napa, Ca.
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Thu Oct 15, 2020 4:50 pm
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i left the ignition switch on for 2 hours, and my 2009 Piaggio MP3 500 will not turn over now. There is no current going to the handbrake micro switch. The running lights, horn, signals work, dash lights up. i cannot read enough on the Piaggio Manual Schematic to determine where the micro switch is powered from. Anyone know of a decent electrical schematic, or what might be a likely cause?
Thank You,
John
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Veni, Vidi, Posti
MP3 500, GTS 250 (both 2008 MY), 2012 Honda NC700 DCT, 2014 Can Am Spyder RT
Joined: 02 Mar 2013 Posts: 6334 Location: Madison, Wisconsin
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Thu Oct 15, 2020 5:01 pm
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Dead battery. Do you have a tender you can use to charge it with?
Some tenders won't charge a battery that's totally dead.
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Lurker
Piaggio MP3 500
Joined: 15 Oct 2020 Posts: 4 Location: Napa, Ca.
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Thu Oct 15, 2020 5:05 pm
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battery is fine, there is no current to the micro switches
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Moderaptor
The Hornet (GT200, aka Love Bug) and 'Dimples' - a GTS 300
Joined: 26 Aug 2007 Posts: 39339 Location: Pleasant Hill, CA
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Fri Oct 16, 2020 5:41 pm
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Lurker
Piaggio MP3 500
Joined: 15 Oct 2020 Posts: 4 Location: Napa, Ca.
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Tue Oct 20, 2020 6:04 am
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With the wiring diagram, I was able to trace the test this circuit to stop light/starting function. Sillie but true, it is the fuse for this circuit, which I visually inspected a number of times, and it still looks fine, but has a non visible break shown with a continuity test.
Never assume anything, Ha!
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Hooked
Piaggio MP3 500
Joined: 21 Nov 2017 Posts: 303 Location: Austin, TX
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Tue Oct 20, 2020 10:30 am
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Good job! Thanks for letting us know! It makes sense that it wouldn't start if the brake light fuse were blown- the brake needs to be pulled before the starter will engage.
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