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Old 08-15-2014, 07:42 PM   #15
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Join Date: Feb 2010
Posts: 4,278
Okay working now...

Plan for next time.

Get a voltmeter and your wiring diagram or make one.

Measure the voltage at every battery and a few other places like fuses and switches.

Look for large relays and have a helper flip the disconnect switches and observer which one does what and measure and record the voltages.

This will do a couple things.

You will learn where things are and what voltage to expect.

When it fails again repeat this and see what is different and go from there.

Tony & Lori
1989 Country Coach Savannah SE
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Old 08-18-2014, 04:22 PM   #16
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Join Date: Jun 2014
Posts: 8
24 hours on battery only is a pretty deep discharge condition. 15 hours with the on-board charger and a couple of hours on the alternator is probably not enough to bring it out of the hole. Since it appears to have charged well during the two days on shore power everything is probably fine and you just expected more of the system than it is capable of delivering.


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Old 08-18-2014, 07:07 PM   #17
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Posts: 282
It sounds like you depleted the battery while dry camping for 24 hours. It would take a long time to fully recharge the battery by just driving. Considering it was a rental, you probably have an old style converter that puts out 13.2 volt float charge. On shore power, your converter will take awhile too, but it will provide voltage to the battery at a constant rate over a longer time (2 days).
Have your house battery checked at an auto parts store, to make sure it is good. Also, since it is a 2000, you probably have a battery isolator solenoid. They can sometimes short out over time. You should have an emergency start switch that will engage the solenoid. Press the button and you should hear a click if it is working correctly. If you check under the hood you should find the solenoid either on the driver side wheel well or near the firewall. It should look like the picture. If it is working fine, at least you know what it looks like.
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