I bought a Nissan Maxima yesterday for real cheap, the battery keeps dying even though the guy I bought it from put in a new alternator. He didn't connect the negative (ground) wires to the alternator and I have no idea where they go. I'm pretty sure the grounds not being connected is why but not 100% sure. Could someone tell me where the wires go or if they can think of another reason the car could be doing this. Please and thank you.