LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Battery Draining

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Old 04-25-05, 07:02 AM
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mamaya3367
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Default Battery Draining

Hello Everyone,
I have a 94 LS400. If I don’t start the car for more then 2 days, the battery dies off. I fully charged the battery to 12.5V. I connected a meter to the battery and started removing one fuse at a time. It turns out that the DOME fuse is sucking up lots of current. I know that controls much of the electronics. I found out that the speakers are staying on when the stereo is off. Could this be the stereo? I have only owned the car for 3 months, so I don’t know the full history of the car. Any help would be appreciated.

Thanks,
StexLS400
Old 04-25-05, 08:45 AM
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GRAND_LS 4
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What do you mean the speakers stay on? Do you mean the Amp is still running?
Old 04-25-05, 09:34 AM
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The speakers have a static sound when the stereo is off. I unplugged the amp and the sound did not go away.
Old 04-25-05, 12:01 PM
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I’m guessing they are picking up static from another electrical component in the car. So they aren’t really puling any battery power since the only way they DO get any power is through the AMP.
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