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Old 05-13-2013, 09:13 PM   #11
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Normally a reversed polarity will either trip a resettable breaker near the battery, or blow a fuse. So would it charge? I so t think so.
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Old 05-13-2013, 09:51 PM   #12
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How do I know what kind of charging system my 2005 Rockwood Premier has? I double checked the wiring and it appears to be correct. The white wire that connects to the negative side of the battery comes done off the battery and splits in two. One end is connected to the tongue of the trailer and the other end goes to the wiring harness that gets hooked up to the car. The black wire is connected to the positive side. It comes down off the battery and splits in two as well. One end goes to the wiring harness and the other end goes up a hole that leads into the camper. I checked the date code on the battery it says Jan, 2010 (Everstart from Wal-Mart). I would presume I should have a couple of more years left of life out of the battery. I think before I take the battery out at the end of this year I'm going to label the wires so I know what is what.
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Old 05-13-2013, 10:14 PM   #13
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Maybe someone with a similar model can help on colors. My 2011 A126 has red for positive and white for negative. Your colors are also common with white neg beg and black for positive I think.

3 years for a 'car' battery versus a deep cycle marine battery might be pushing it. Regular 12v car batteries don't hold up to deep discharge or being left uncharged for long periods as well as deep cycle marine batteries.

I'd give it a week on charge as you plan and see where you find yourself. Get a multimeter, even a cheap one at Walmart is fine, to check the battery voltage both while charging and while resting (not charging).

Resting fully charged (with the camper unplugged for at Least 2 hours) should be 12.6 volts DC or real close. Charging at float (trickle) should be 13.5 or so. Measure the voltage using a meter across the positive and negative terminals of the battery.

You can read up on some good battery info here: http://www.marxrv.com/12volt/12volt.htm
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Old 05-13-2013, 10:33 PM   #14
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Thank you!

Thank you for the useful information. For the record the battery is a marine battery and not a standard car battery. I will invest in a multimeter and will check the voltage. Are all marine batteries deep cycle batteries?
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Old 05-13-2013, 10:59 PM   #15
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Typically yes, the label should indicate the type. The meter will be your friend. I checked my interstate battery after winter unhooked and stored in my garage and it showed 12.6v this spring, so that indicated at good battery.

When plugged back into the camper it tested good with only the float charge level.
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Old 05-13-2013, 11:10 PM   #16
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Keep in mind your unit has a propane detector, stereo and other things that draw the battery down. After several days it will draw down a healthy battery. A fully charged battery should least more than a few days though.
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Old 05-13-2013, 11:15 PM   #17
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Keep in mind your unit has a propane detector, stereo and other things that draw the battery down. After several days it will draw down a healthy battery. A fully charged battery should least more than a few days though.
And if the battery was already a bit weak, it wouldn't last long at all.
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Old 05-13-2013, 11:17 PM   #18
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Quote:
Originally Posted by Kasimar1 View Post
How do I know what kind of charging system my 2005 Rockwood Premier has? I double checked the wiring and it appears to be correct. The white wire that connects to the negative side of the battery comes done off the battery and splits in two. One end is connected to the tongue of the trailer and the other end goes to the wiring harness that gets hooked up to the car. The black wire is connected to the positive side. It comes down off the battery and splits in two as well. One end goes to the wiring harness and the other end goes up a hole that leads into the camper. I checked the date code on the battery it says Jan, 2010 (Everstart from Wal-Mart). I would presume I should have a couple of more years left of life out of the battery. I think before I take the battery out at the end of this year I'm going to label the wires so I know what is what.
I have a lot of experience with Everstart deep-cycle batteries from Wal-Mart on boats that I and friends have owned. You are over 3 years on that battery, and regardless of what the warranty is or how long Wal-Mart says it will last, you are on borrowed time with a 3 year old Everstart battery. We had three batteries in our boat, and we simply figured on replacing one every year, and then starting over again....and again...and again.
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Old 05-14-2013, 08:33 AM   #19
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getting the battery tested is a quick and simple test with the right diagnostic tool. Marine repair or any garage should be able to do it usually at no charge. They want to sell you a battery
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Old 05-14-2013, 08:42 PM   #20
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getting the battery tested is a quick and simple test with the right diagnostic tool. Marine repair or any garage should be able to do it usually at no charge. They want to sell you a battery
I agree. Testing is easy, just haul it to autozone, advance auto, pep boys, wherever you like. In 5 minutes you'll have confirmed or eliminated the battery as a potential problem.
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