How To Connect A Battery Charger To A Car. Connect the positive charger cable to the positive battery terminal and the negative to the negative terminal. How to charge a car battery with a portable charger.

It runs to the engines alternator. Repeat the process by hooking up the negative cable to the negative terminal on your battery. As this is a matter of motor work you might think its better to rely on a mechanic.
As this is a matter of motor work you might think its better to rely on a mechanic.
Some chargers will turn off automatically when the battery is charged but others will need to be disconnected. It is important to follow the instructions within the manual for your particular car battery charger however most car battery chargers will follow the below instructions. There are two cables that connect to your battery. Then plug the charger in.

