Question about 1998 Chevrolet Lumina

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When i disconnect the battery to reset the ecu should i only disconnect the negative terminal

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That should do it! Make sure your theft deterrent is not on your radio before you disconnect the battery.

Posted on Nov 17, 2010

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In many vehicles, disconnecting the negative terminal on the battery for 10 minutes with work. Remember, the intent of an immobilizer is to prevent a car from being moved... it won't start. Disconnecting the battery does the same thing and resets the ECU which works with the starter circuit. In some models, put the key in the ignition switch to the ACC position will do the same thing... this lets the car's ECU know that whoever wants to move the car, has the key so it is probably not a theft attempt.

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