jeep problem

So other than the first problem of being a jeep. I recently picked up a 94 jeep grand cherroke 5.2 liter 4x4 for $500.00 with 90,000 miles that was rearened took it to the frame shop got it straightend out to the point you can barely tell it was wrecked. Now the problem the jeep starts only briefly now mean like 1 second start then runs out of fuel and dies. i dont know what is wrong with it wants to run it wont. any ideas other than change the fuel pump or push it off a cliff?

def sounds like the pump

ASD relay