ExtraGoodness

whats good guys, just picked up a zenki yesterday and as i was driving it home, it took a sh!t on me in the middle of the road. funny cause when i test drove it, it ran perfectly. I shifted to 4th and after a little bit, it slowly started to die as if it ran out of gas but then the lights started to dim and shit so i got confused... thought it was the battery so i got it charged today. turns out, its still taking a sh!t. it tries to start but the engine wont fire. i checked my fuel lines and pump and they seem fine although the fuel pump has all this custom wiring and shit from the previous owner. so im thinking its the alternator but wont the car start even for a little bit with a fully charged battery? but yea, if anyone has had this problem and fixed it, please help.