Do you have a digital multimeter, we can help with some testing. Everything off, place the leads across the battery posts. The generic spec for a full charge is around 12.6 volts. If the battery is down, take it off and get it charged. I'd have to check your charging system also. If a drain with everything turned off, check for a lite left on somewhere, inbterior--under the hood, anywhere, best time to check is in the dark. An old way to test for battery drain, take battery cable loose, use testlite between cable and battery post. If the lite comes on, you have a drain. If the drain is on a fused circuit, you can pull/replace fuses one at a time. When you pull the fuse on a faulty circuit, the testlite goes out. Then you have to check everything on that fuse circuit. Ther may be circuits that aren't fused, but, you have to start somewhere.
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Tuesday, February 15th, 2011 AT 5:43 PM