Question: How to find a bad wire in a car.
Option 0: Locate the radiator its metal box, run your hands through the wires with the car off and gently wiggle them, if you see a spark its possibly grounded to metal and a bad wire.
Option 1: Locate the ECU its plastic box, run your hands through the wires with the car off and gently wiggle them, if you see a spark its possibly grounded to metal and a bad wire.
Answer: 1