How Do I Disconnect My Car Battery

Start By Turning The Ignition Off. … Find Your Car Battery’s Negative Terminal. … Loosen The Nut On The Negative Terminal With A Wrench. … Remove The Negative Connector, Then Repeat With The Positive Terminal. … Remove The Battery If Necessary.

Which battery terminal do you disconnect first?

When disconnecting the cables from the old battery, disconnect the negative first, then the positive. Connect the new battery in the reverse order, positive then negative.” When you are replacing your car battery, It isn’t always easy to remember the order in which to disconnect and reconnect the terminals.

What happens if you connect negative first?

Getting to our question, Always while connecting the cables to a car battery, connect the positive terminal first, then the negative and the ground. If you connect negative first, there are chances of short-circuiting. … The battery might explode. Holds a temporary charge on the battery.