meredithbagged

i need help with a small problem . my buddy was recently cutting a hole in his inner fender for a cold air intake and cut into a wwiring harness short out his ecu it quit firing and getting fuel when we fixed the wires he had a 5.0 5spd lx 92 ecu same plug and we put in the 94 gt5.0 and the car has fire now but no fuel but when u run a jumper wire to the fuel pump the car runs rich from to high of fuel pressure now is this just the wrong ecu causing the fuel pump not run or is it something else ?"