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Can you damage new car battery by connecting negative first?

Connecting the negative terminal first when installing a new car battery will not damage the battery.

The correct procedure for installing a new car battery is as follows:

- Disconnect the negative terminal of the old battery.

- Disconnect the positive terminal of the old battery.

- Remove the old battery from the vehicle.

- Install the new battery in the vehicle.

- Connect the positive terminal of the new battery.

- Connect the negative terminal of the new battery.

By following this procedure, you can safely install a new car battery without damaging the battery or the vehicle's electrical system.