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2005 Saturn Relay Question: alternator or voltage regulator

 

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dadsgirl, Charlotte, NC, December 19, 2009, 16:22
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my battery went dead ,changed it.now my info center says charging system failure but it comes on and off. also battery volts goes up and down 11.2 -15.0.what could be the problem?

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  • Answer #1

    December 20, 2009, 16:12
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     Master

    You need to inspect the data stream of your charging system. The Voltage regulator is now part of the Engine Computer, so first check your Alternator. It could be a bad rectifier, brushes, connections etc.

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