 and connect there to do your battery test and verify that it says you've got a good battery by testing it at that point. Because if you test it at the battery, maybe you're getting a good connection there, but you're not to the rest of the car. So if you verify that, then somebody's going to have to hook a scanner to it and see what codes come up. And if you've got a security code, you might need to do some relearning before the car will start.