If you want to keep all your data when you go to change your car battery, your vehicle must absolutely remain powered on. If you don’t do this, you will have to reprogram all of your car’s electronics.

Here in this article are all the steps to follow to change your car battery without losing data.

Necessary material :

  • A 9V battery
  • Pliers
  • Scotch tape or tape

Step 1: Turn off the car

The principle is rather simple: to ensure power to the various electronic devices when the used battery is removed , a 9V battery should be used. In fact, this battery will take over from the power supply and thus preserve your data.

First of all, make sure to turn off the car as well as all electronic devices, otherwise the 9V battery risks empty very quickly.

Step 2: Plug in the 9 volt battery

Before disconnecting the used battery, you must connect the 9V battery to the battery terminals.

Be careful not to interchange the electrical charges: you must connect the + of the battery with the + of the battery and the – with the -. You can use tape or duct tape to properly keep the wires in contact.

Step 3: Disconnect the used battery

Once the 9V battery is in place, you can now remove the used battery a> making sure that the wires do not touch each other. The battery has a lifespan of approximately 45 minutes, after which it may run out of charge.

Step 4: Reconnect the new battery

You can now reconnect your new battery while keeping the 9V battery wires.

Step 5: Disconnect the 9 volt battery

Once the new battery is in place and connected, you can finally remove the 9V battery from the battery terminals.

And voila, you have just changed your car battery without losing your data or the programming of your electrical devices.

Good to know: There are also backup boxes, sold around ten ;euros in car centers, which plug directly into the cigarette lighter. This box allows you to power the equipment while you change the battery.

And there you have it, you now know how to change your car battery without losing all the data related to your electronic equipment! However, if you have the slightest doubt, you can call a mechanic to carry out this operation.

Leave a Reply

Your email address will not be published. Required fields are marked *