Voltmeter

The IPC displays the system voltage as detected at the ignition 1 input of the IPC. The voltmeter measures the electrical system voltage when the ignition switch is in the RUN or START position. With the engine running, the normal reading is between 12 to 16 volts. These values may decrease in cold weather conditions with the engine stopped and ignition in the RUN position to approximately 9.5 volts.