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Old 12-01-2020, 06:52 PM   #1
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Speaker noise while in storage

I have my popup in long term storage and went by to put a cover on and noticed the outside and inside stereo speakers where making a noise. It sounds like part hum and part geiger counter.

Any idea why this is and what I can do about it?

Was thinking I can disconnect the batteries, is that a good idea?

Thanks for any help/insight!
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Old 12-01-2020, 06:55 PM   #2
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Yeah, pull the battery. The radio and CO detector are still pulling power from battery while it's connected. It's minimal, but probably have a low battery come spring.
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Old 12-01-2020, 06:58 PM   #3
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With sound in the speakers that would indicate that the stereo is "ON". For long term storage I would at the least disconnect the negative battery cable(s).
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Old 12-01-2020, 08:08 PM   #4
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Stereo power is not turned off by turning off the power switch on the unit. You need to add a switch into the 2 positive leads to the stereo to fully turn it off. Note that if you do this, you will lose your radio station memory and the equalizer will return to its default settings. This is no big deal to me, since the alternative is a dead battery if you can't leave your camper plugged in.

As the others pointed out, this is NOT the only thing that stays on whenever your battery is connected. The CO/propane alarm is always on. The stereo may go to a low power mode, or it may just stay on. The fridge power panel, thermostat, and water heater controls may also draw some power full time.

You either have to disconnect ALL the wires from one battery terminal or the other, or install a battery cut-off switch that cuts power to everything. Otherwise, just like your car/truck, you will have a dead battery in a couple of weeks.

For winter storage, it is safe to leave a fully charged, disconnected battery on the camper. But right now you don't have a fully charged battery, so you either need to plug in the camper for a couple of days to fully charge, or remove the battery and fully charge it before storing for the winter.

I learned the hard way about disconnecting batteries for winter storage - killing 2 batteries.

hope this helps
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Old 12-02-2020, 05:36 AM   #5
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Thanks all for the input. I've noticed my CO alarm going off in the past as well. I'll go by and pickup a knife switch for my battery terminal. Appreciate the feedback!
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Old 12-02-2020, 04:39 PM   #6
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Knife switch or rotary?

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Originally Posted by PopupCamping View Post
Thanks all for the input. I've noticed my CO alarm going off in the past as well. I'll go by and pickup a knife switch for my battery terminal. Appreciate the feedback!
Both knife switches and rotary switches are available. The rotaries seem to be a little more weather-resistant.

The ideal one for an RV would have a 5/16" hole at one end that fits over the battery threaded stud and another 5/16" threaded stud (or bolt and nut) at the other end.
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