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Old 04-18-2015, 02:02 AM   #1
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Default Battery issues

Hi there guys,from OZ, since I imported my boat 4 months ago,iam having troubles with my batteries to, they are flat as a tac when I get on board to start it( they are both new deep cell marine batteries ) both my battery selectors are in the off position when I leave the boat. Could it be a fault with the two automatic bilge pumps (forward and aft )
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Geoff
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Old 04-20-2015, 02:09 PM   #2
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Welcome aboard Swalefire!!

I moved your post to a new thread. While they were both battery related, they were ultimately two different problems.

What is the year and model of your boat?

What is your battery setup like now?

Are you running your batteries on a battery charger?

Do you have a shore power connection where the boat is stored?
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Old 04-21-2015, 12:23 PM   #3
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Hi there,I have imported to Australia a 1995 Maxum 27scr. It's a nice looking boat indeed, I've had to replace the batteries and installed a new altinator. Having the bilge pump wiring checked out by an auto electrician, no I don't have shore power where it's mored,it does have a genet,but it's not working at the moment. I have one battery for starting the boat and one for lights and stuff
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Geoff
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Old 04-21-2015, 03:58 PM   #4
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I would remove the positive battery cables and install an amp meter to measure the current draw when the boat is sitting with the switches off. It should only be a few milliamp for any electronics such as radio memory.

If you do not hear the bilge pumps running they should not be drawing any power. Is the bilge dry or are you taking on water frequently cause the pumps to cycle?

Do you have an on board charge? A bad charge may be drawing down the batteries. Also disconnect from the genset as a test.
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Old 04-22-2015, 12:46 PM   #5
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Thanks guys I will try what you suggested. As for water in the bilge,not enough to start bilge pumps,mind you after the storms we have had here in Sydney over the last couple of days its a wonder any boats afloat,almost 400mm or 16inches in 3 days, heaps of boats have been lost or damaged, mine thankfully survived the on slaught .
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Geoff
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