LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 1993 >> Roadmaster Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Electronic Control Module (ECM) >> Power Supply

Power Supply

Power for ECM reference output signals (5 volts) and control devices (12 volts) is received from the battery (through ignition circuit when ignition switch is in ON position). Keep alive memory power is received directly from the battery.

scientia non olet · About LEMON Manuals