RAM 2500 Van V8-5.9L VIN Z LDC (2000)
applying battery voltage to it when the ignition key is turned ON, and then applying a ground signal to the relay from the PCM.
Whenever the ignition key is turned ON, the electric fuel pump will operate. But, the PCM will shutdown the ground circuit to the fuel pump relay
in approximately 1 - 3 seconds unless the engine is operating or the starter motor is engaged.
