This is important when ordering your replacement pump. Start at the Breaker Panel The main breaker panel should have a wiring schedule handwritten inside the front door panel. While waiting, you can choose to clean the electric switches by filling off the burnt sections using a standard nail file.
It is not as simple as dropping a new pump into the well and hooking up the wires. If the well casing is plastic then you have to connect your ground lead to the circuit ground. “Wiring A 3 Wire Well Pump”