You can disconnect the battery and after installation it should work. Always remove the negative terminal first and install it last.
When battery is disconnected, vehicle computer memory system may lose memory data. Driveability problems may exist. After disconnecting battery or replacing ECM, drive vehicle to enable ECM to relearn driveability. You may experience driveability different from what they are accustomed to until ECM completes relearn function.
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Friday, January 14th, 2011 AT 4:00 PM