I just purchased a new alternator and battery for my Cadillac from the dealer. I had someone install it and the battery light still came on. what could the problem be?


Asked by Feb 21, 2015 at 10:18 PM about the 2006 Cadillac CTS

Question type: Maintenance & Repair

Please help me!

4 Answers


might be an alternator fuse or ground wire

1 out of 1 people think this is helpful.

Thank you, I hope that will be helpful. Will check on it tomorrow.


Your vehicle has a computer controlled alternator so if the ECM is not turning on the charge circuit you will have a failure light or no charge, unfortunately not every shop can test for this, call around, find a shop that can access the Cadillac systems, it will be cheaper than the dealer.

Steve Burbidge

Bad connection

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