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Posted on May 12, 2009
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Battery light comes on when damp

Battery stays on, but seems to go off when truck warms up...doesn't come on when low humidity...yet anyway

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  • landlbarnett May 13, 2009

    I will check and see, but with the milage on the truck (159K)...this may be the problem...I'll let you know. I got the truck at 40K, always regular oil changes and replaced an oxygen sensor the only issue I ever had other than a couple minor recalls. Thank you.

  • gerry bissi May 11, 2010

    check all connections from alernaotr to battery. clean corrosion in connectors.

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  • Posted on May 13, 2009
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I would check belt to alternator pulley slippage when moisture is high. Belt might be due for replacement. Hope this helps

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1999 Silverado 1500

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When you power off the unit, it goes from bright led to low light led and shows a red light staying illuminated. Which means its STILL drawing battery. How do you turn it off completely?

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