Question about 2005 Chevrolet Avalanche

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Service Charging System

Help......I have a 2005 Avalanche, 4WD, 1500. I am still getting a "Service Charging System" display. With no phisical indications, only the volt meter periodically indicated charging at about 15-16 Volts. I took the battery in for testing, BATTERY BAD. I replaced the battery. Still recieved the code and volt meter indication and not at night the headlights pulse. No parts store could test the altenator, so I replaced it. I still get the "Service Charging System" indication, the volt meter periodically indicates 15-16 volts, I have run out of ideas and nearly out of money.......Brad

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  • big_jag Dec 22, 2008

    Thanks, it reset the computer and at this point, it seems to have cleared the problem. Before the "Service Charging System" indication usually took a few minutes of driving to display, unfortuantly I only had a coule minutes to let it run. I will see when I drive home after work. If it reappears, I will post again for further guidance. Thank you again.

  • big_jag Dec 23, 2008

    Tested and no "Service Charging System" indication. Thanks again. This was one of the cheapest fixes I've seen.

  • Anonymous Mar 20, 2014

    volt gauge low and battery light blinks and says battery not charging battery and alitanor test good



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Posted on Dec 22, 2008

  • hweamel Dec 22, 2008

    your welcome bro.

  • hweamel Dec 23, 2008




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2005 avalanche service manual

2005 Chevrolet Avalanche 1500 Service & Repair Manual

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