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Old 05-02-2009, 07:41 PM   #1
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Help with Battery Terminal Cover/Socket/Switch


I have a jet ski that has a phantom power drain (if I leave it for 2 days the battery is dead)... I want to make something that will allow me to slip the power wires on an off with ease. (as opposed to bolting/unbolting every time)....

The ideal thing would be a tight female socket (lol) that will snugly fit over the battery terminal like a plug... and of course just pull right off..

The battery is a standard Lawn Mower battery.

I am having trouble finding this type of socket, but then again, I don't really know where to look.

Or, if someone knows of a switch that is rated for that type of amperage (and can be around water).

Any help or suggestions would be greatly appreciated!

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Old 05-02-2009, 08:20 PM   #2
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Help with Battery Terminal Cover/Socket/Switch


"Phantom power drain" That's a new one! They make a Battery disconnect switch that goes inline with the batery cables. Just look on the internet, they are everywhere.

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Old 05-02-2009, 08:33 PM   #3
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Help with Battery Terminal Cover/Socket/Switch


or just wire up a clip clamp to one of the lines to the battery?

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Old 05-02-2009, 08:35 PM   #4
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Help with Battery Terminal Cover/Socket/Switch


don't you think that might fall off when jumping wakes, that might get to be a PITA
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Old 05-02-2009, 08:41 PM   #5
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Help with Battery Terminal Cover/Socket/Switch


not that model per se, one with alligator type teeth would be better. just couldn't find a good google pic.

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Old 05-02-2009, 08:53 PM   #6
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Help with Battery Terminal Cover/Socket/Switch


Silk - your option is something that is right in league with what I can do.

I found something:

http://www.batterymart.com/p-battery...ff-switch.html

And it is rated for the application in which I will be using it.

Thanks for the suggestion!
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Old 05-02-2009, 09:37 PM   #7
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Help with Battery Terminal Cover/Socket/Switch


Quote:
Originally Posted by LordX View Post
if I leave it for 2 days the battery is dead
The battery is a standard Lawn Mower battery.
How many amp-hours is your battery?
If it's 10 A-h and it takes 50 hours to drain it then you're looking for a drain of 200 mA.
Can you post a schematic?
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Old 05-02-2009, 10:56 PM   #8
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Help with Battery Terminal Cover/Socket/Switch


Do you leave the lynard connected?
Have the battery tested for a bad cell which will drain the battery.
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Old 05-02-2009, 11:11 PM   #9
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Help with Battery Terminal Cover/Socket/Switch


How about a battery disconnect like http://www.batterystuff.com/battery-...es/NEG123.html
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Old 05-03-2009, 07:10 AM   #10
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Help with Battery Terminal Cover/Socket/Switch


or simply find the actual problem and fix it, and don't mess with the wiring.....

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Old 05-03-2009, 08:32 AM   #11
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Help with Battery Terminal Cover/Socket/Switch


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or simply find the actual problem and fix it, and don't mess with the wiring.....

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Because it could take hours and hours to find the problem vs 15 minutes to put a disconnect in.

I'm an electrician and I have a Honda 4-wheeler that has both a key shut off and a thumb switch shut off. If I use the thumb, the battery will be dead by morning, if I use the key it will be good for months. I thought about trying to find exactly what was draining the battery one day, then I started to tear into it and found our that I would have to tear all the wiring out of it's protective sleeves, wires ran through the framework, every piece of plastic such as fenders, ect. would need to be removed.

I decided very quickly that I had better things to do with my time than to worry about what the actual cause was when I had a solution already at hand.

I'm sure the OP isn't an electrician. I'm sure he would much rather be riding the JetSki than tearing it apart. I'm also pretty sure that he wouldn't want to pay some mechanic $130 an hour to fix a problem that can be resolved in 15 minutes for $20.

Just my humble opinion.
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Old 05-03-2009, 09:29 AM   #12
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Help with Battery Terminal Cover/Socket/Switch


My sentiments EXACTLY.

Also, if this were a brand new machine, I would be more concerned with isolating the actual problem. But with this being a 1995 jet ski, it is not really worth a lot of $$$.
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Old 05-03-2009, 09:45 AM   #13
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Help with Battery Terminal Cover/Socket/Switch


Quote:
Originally Posted by Silk View Post
Because it could take hours and hours to find the problem vs 15 minutes to put a disconnect in.

. . .pay some mechanic $130 an hour to fix a problem that can be resolved in 15 minutes for $20.
You are right about the cost and convenience. . .but instinct tells me to fix it rather than bandaid it. However, my own labor is free to me.

I guess I wouldn't want a simple failure to cascade into other more complex failures, and I like playing Sherlock Holmes.
If this thing has a voltage regulator that's the first thing I'd check [it gets stressed].
Next would be any electronic modules [they're fragile] and last would be the diode bridge in the alternator.

Normal turned-off current draw should probably be less than 10 mA, which is reverse leakage through the alt. diodes.

You have a schem. for your 4-wheeler? Free diagnosis while the offer lasts! Operators are standing by to take your call. . .
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Old 05-03-2009, 10:13 AM   #14
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Help with Battery Terminal Cover/Socket/Switch


a marine parts supply store could be helpful.

for example,

http://www.jmsonline.net/BATTERY-SWITCHES.htm

Knucklez

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