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Old 04-15-2009, 12:23 PM   #1
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Another electrical question

With everything in the trailer turned off. When we hook up the 12 volt battery. we get a small spark when we attach the cable. This tell me that I'm drawing electricity somewhere in the trailer, Correct?

Could it be the intellipower? Is this normal or not. I've disconnected the battery the last 2 nights. We hasn't been connected to shore power.

Annette
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Old 04-15-2009, 12:58 PM   #2
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It could be one of two things.

If you are plugged into 120 at that time it is the converter attempting to charge the battery. This is OK.

If you are not plugged into 120 at that time it could be several things. Is the amplifier for the tv turned on? Do you have a CO2 monitor that is always hook up? A small arc is quite common. If you have a battery monitor in your control panel hook up the battery and watch the battery level on the panel after a week. If the level drops there may be a problem but right now I would not think it is necessary to disconnect the battery every night.
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Old 04-15-2009, 12:58 PM   #3
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I have had this happen to me as well, I have the main power switch turned off inside and am not hooked to shore power, when I attach or unattach the terminals, I do get small sparking.
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Old 04-15-2009, 12:58 PM   #4
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Originally Posted by bullydogsmom View Post
With everything in the trailer turned off. When we hook up the 12 volt battery. we get a small spark when we attach the cable. This tell me that I'm drawing electricity somewhere in the trailer, Correct?

Could it be the intellipower? Is this normal or not. I've disconnected the battery the last 2 nights. We hasn't been connected to shore power.

Annette
That explanation makes sense. Try pulling the fuses or turn off the breakers and putting them one at a time and repeat your spark test. When you get a spark that is the circuit there is a draw on. Depending on your trailer there are parasitic draws (equipment that draws electricity even turned off) such as the audio system and some of the appliances.
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Old 04-15-2009, 01:16 PM   #5
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Does your refrigerator have a logic board?
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Old 04-15-2009, 02:46 PM   #6
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I think the answer is simple (which may prove I am). When you attach the second lead to the battery, assuming the battery disconnect switch is not off, you are completing the circuit. The second before you touch the battery terminal, there may be enough voltage to arc between the cable and the terminal. This is normal.

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Old 04-15-2009, 04:03 PM   #7
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Thanks for all your suggestions. We will try them all one at a time starting tomorrow and see if we can resolve the issue.
Annette
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Old 04-15-2009, 04:06 PM   #8
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Normal
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Old 04-15-2009, 05:50 PM   #9
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My dad always told me that when hooking up a battery or jumping a car, always attach the positive terminal first and then attach the ground. Then reverse it when disconnecting...ground first followed by the positive. This way sparking /arcing is reduced to a minimum.
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Old 04-15-2009, 06:39 PM   #10
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I think the answer is simple (which may prove I am). When you attach the second lead to the battery, assuming the battery disconnect switch is not off, you are completing the circuit. The second before you touch the battery terminal, there may be enough voltage to arc between the cable and the terminal. This is normal.

Gene
This is normal, and I don't think concerning, but doesn't it indicates there is a closed circuit somewhere with a draw?
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