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estadalis
MMT Member
Joined: Wed Jan 25, 2017 10:00 am
Posts: 39
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 Cranking battery issue Guys I have a battery that was new in march. I've had to use my spare 3 times. I think the motor is draining it somehow. I have my nav lights, bildge, and led's I hardly ever turn on hooked up to the same battery. I have an on and off switch for the battery and I turn it off when I'm not running. But for some reason I'll get a trip, maybe two before the battery dies. I don't think it's a bad battery bc it started to drain my spare, and I can't figure out why. Thanks for any input
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| Mon Jun 05, 2017 5:43 am |
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4Cody4
MMT 1000 Club
Joined: Thu Mar 31, 2011 11:21 am
Posts: 2530
Location: Land of 10,000 Lakes
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Re: Cranking battery issue You could install a master switch by the battery. That would be the easiest, otherwise you'll have to start trouble shooting.
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"Two people in this world wear helmets, and that's dare devils and pussies." - Willie Braun
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| Mon Jun 05, 2017 5:49 am |
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CypressCritter
MMT F.E.
Joined: Tue Aug 26, 2014 10:36 am
Posts: 822
Location: Jefferson TX
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Re: Cranking battery issue Got a Volt meter? if so check voltage on battery, then start motor idle up to around 2000 rpms, voltage should be at least 13.5 vdc (at least higher than before starting).
If you have a disconnect switch, with switch off, measure battery voltage, turn on switch(all accessories off) measure voltage. If nothing is "powering up or pulling on batterie, voltage should be almost the same. If you see a voltage drop something is draining on battery.
I gonna say either the battery is bad or your motor is not charging the battery.
BTW way what motor ?
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| Mon Jun 05, 2017 7:50 am |
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estadalis
MMT Member
Joined: Wed Jan 25, 2017 10:00 am
Posts: 39
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Re: Cranking battery issue I have a master switch. Which is why I'm confused.
I have a 2010 prodrive
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| Mon Jun 05, 2017 8:45 am |
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4Cody4
MMT 1000 Club
Joined: Thu Mar 31, 2011 11:21 am
Posts: 2530
Location: Land of 10,000 Lakes
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Re: Cranking battery issue Have you tested your master switch?
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_________________
"Two people in this world wear helmets, and that's dare devils and pussies." - Willie Braun
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| Mon Jun 05, 2017 8:50 am |
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estadalis
MMT Member
Joined: Wed Jan 25, 2017 10:00 am
Posts: 39
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Re: Cranking battery issue No I haven't. How would I go about it?
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| Mon Jun 05, 2017 10:52 am |
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4Cody4
MMT 1000 Club
Joined: Thu Mar 31, 2011 11:21 am
Posts: 2530
Location: Land of 10,000 Lakes
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Re: Cranking battery issue Use a bolt meter as stated before. Turn your master switch off and see if it's drawing power.
Sent from my iPhone using Tapatalk
_________________
"Two people in this world wear helmets, and that's dare devils and pussies." - Willie Braun
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| Mon Jun 05, 2017 11:45 am |
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BlueShamu
MMT Elite Member
Joined: Mon Feb 06, 2012 6:13 pm
Posts: 5605
Location: D'town, LA
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Re: Cranking battery issue Unplug your clutch wires from the harness at the motor. Give it a few days and go back and check the battery......just speaking from experience.....right before the clutch wouldn't disengage.
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| Mon Jun 05, 2017 7:19 pm |
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