Nissan 200sx Wont run
 

I have a 95 nissan 200sx. About a month ago the alternator went out. I mamaged to get it back to my house with my fathers battery! When i got it home it ran and started just fine. i replaced the alternator and got a new battery... Now when i go to start it... it turns over but does not start! We cant figure it out please i am open for suggestions or anything.