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03 /28/ 24, 5:55pmLogin ] [ Contact Forum Admin ] [ Main index ] [ Post a new message ] [ Search | Check update time | Archives: 123456[7]8910 ]
Subject: Re: Battery drain


Author:
Rich D.
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Date Posted: 01/ 27/ 03, 8:21pm
In reply to: Henry P 's message, "Battery drain" on 01/ 27/ 03, 6:19pm

Henry, Assuming that all the batteries check "Good" (You must separate them and check individually if using a meter or check the specific gravity of the acid with a battery tester.) Perform the following tests if all batteries are good:
After shutting everything off that you normally leave off, disconnect one side of the battery bank (positive or negative - makes no difference). Place an ammeter between the disconnected lead and the battery post. Note: You should start with the ammeter on a 10 amp setting. Read the meter and determine what the draw is. Go to the lowest setting that will not "peg" or "over scale" the meter. Next, while having someone monitor the meter, remove all of the fuses and circuit breakers, one at a time. When you find a circuit that is drawing power, you will see a drop in the meter reading. Many circuits draw a small amount of power such as radio memories, clocks, some relays that remain energized, the inverter, LP detector/solinoid etc., just to name a few. The best way to leave the coach if you have no AC power is to be sure the A/T switch is off, the electronic master is off and the inverter is off. The draw in that condition should be near zero. If I can be of any additional help, post here or email gman1146@optonline.net
Good luck, Rich D.

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