Question about 2006 Buick LaCrosse

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Engine won't start after battery change.

Did a quickie battery changed & drove home 5 miles. Disconnect overnight & did a better reinstalled (cleaned connectors, etc.- no corrosion on old bat or wires) Car started rough and stalled twice within 1 mile. Now, starter cranks, buy won't start (EL or fuel?). Engine light comes on & door locks not working. Checked all connections, fuses, etc.

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When disconnecting your battery you need to hook up an alternative power supply . Vehicles with the electronics there have now a days . Something's need to be relearned an some of the modules may not wake back up at all , unless hooked up to a factory scan tool . Battery Disconnect or Replacement Problems

Posted on Dec 18, 2015

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Posted on Jan 02, 2017

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