1985 OMC 65, 100 and 155 HP Models Commercial Service Manual, PN 507450-D, Page 155Get this manual
9Meter should indicate voltage listed belowIf it does not, sensor coil may be badEngine rpm may be too lowSensor Coil Output
9Meter should indicate voltage listed belowIf it does not, sensor coil may be badEngine rpm may be too lowSensor Coil Output