Circuit Description
When ignition switch is turned on, 9-14 volts is applied to the terminal IGSW at ECM main relay control circuit. ECM then applies voltage to terminal MREL at ECM, switching EFI main relay on.
When ignition switch is turned on, 9-14 volts is applied to the terminal IGSW at ECM main relay control circuit. ECM then applies voltage to terminal MREL at ECM, switching EFI main relay on.