Charge the battery. Make sure the battery will start the car. Disconnect the battery and let it sit over night. Reconnect and try to start the car. If it starts, you have a charging/electrical system problem. If it doesn't start you have a battery problem. After this test, move on to correcting the problem.

It doesn't start when fully charged; get the starter checked

It starts after sitting overnight; tlowe#1716 has the answers.

It doesn't start after sitting overnight; return the battery.

Last edited by Blackwater; 06/14/16 11:23 AM.

Never use a minor caliber bullet on a major caliber adversary