Circuit Description
When ignition switch is turned on, 9-14 volts is applied to terminal IGSW at ECM. Main relay control circuit in ECM then sends a signal to terminal M-REL at ECM to switch EFI main relay on.
When ignition switch is turned on, 9-14 volts is applied to terminal IGSW at ECM. Main relay control circuit in ECM then sends a signal to terminal M-REL at ECM to switch EFI main relay on.