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Weak battery?

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Old January 25th, 2020, 12:04 PM
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Question Weak battery?

I have a 1999 S-10,4.0l.
After a few days sitting the battery started going down.
The only aftermarket things it has is a marine radio & trailer brakes.The radio stays off,& the brake switch shows no current when sitting.
Any idea's?Don't think battery is a dead one.After letting it run awhile it goes on & works as normal.
Old January 25th, 2020, 12:32 PM
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How old is the battery?
Old January 25th, 2020, 12:38 PM
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Old February 3rd, 2020, 6:32 AM
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awesome reply post by Irish_Alley..ALWAYS, start simple, and start LOGICALLY...and always have a functional multimeter and OBDII tool...both are cheap accs for your tool box!

Last edited by hogbiker; March 8th, 2020 at 12:04 PM. Reason: more detail
Old February 7th, 2020, 4:17 PM
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Originally Posted by hogbiker
awesome reply post..ALWAYS, start simple, and start LOGICALLY...and always have a functional multimeter and OBDII tool...both are cheap accs for your tool box!
Battery about 4yrs.old.
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