new to me 2004 hummer, battery light stays on

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10-18-2009, 12:28 PM

sterlingmarlin30

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Join Date: Oct 2009

Posts: 9

new to me 2004 hummer, battery light stays on

tried the battery cable trick, light still on with engine off, any ideas? I did have to boost it and the light stays on since then. any help please

10-18-2009, 04:31 PM

BIGT2148

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Join Date: Jun 2009

Location: High Point, NC

Posts: 251

sounds like the alternator has craped out. I would take it to have it checked.

10-18-2009, 07:06 PM

calif phil

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Join Date: Feb 2008

Location: Kansas

Posts: 2,146

It sure does sound like the alternator. You should forget the old battery cable trick. It's a good way to send a voltage spike to some expensive electronics.

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