Wiring Diagram Cluster

1989 Porsche 928 CS Alternator Wiring Diagram

Find charging-system schematics including alternator field/control wiring, battery feeds, and fuse/relay paths.

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Matched Diagrams

36

Variant Used

928 CS V8-4957cc 5.0L

Total Vehicle Diagrams

259

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Factory Manual Evidence

When there is no clean repair shortcut for this system, drop into the OEM manual sections that usually carry the authoritative test path.

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Diagnostic signal

Codes Often Seen With This System

Use the code cluster when wiring faults overlap with check-engine or module-level diagnostics.

P0563: System Voltage High →
P0562: System Voltage LowB1318: Battery Voltage LowP0601: ECM/PCM Memory Check Sum Error

Top Alternator Diagram Paths

1.Electrical Diagrams > Starting and Charging > Charging System > AlternatorGeneralOpen2.Charging System — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > ComponentsStarting and ChargingOpen3.Charging System — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > ConnectorsStarting and ChargingOpen4.Charging System — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > GroundsStarting and ChargingOpen5.Charging System — Diagram Information and Instructions > How to Use DiagramsStarting and ChargingOpen6.Charging System — Diagram Information and Instructions > Wire Color Code IdentificationStarting and ChargingOpen7.Charging System — Electrical DiagramsStarting and ChargingOpen8.Electrical Diagrams > Starting and Charging > Charging System > System DiagramGeneralOpen9.Electrical Diagrams > Starting and Charging > Charging System > Voltage RegulatorGeneralOpen10.Electrical Diagrams > Starting and Charging > System DiagramGeneralOpen11.Electrical Diagrams > Starting and Charging > BatteryGeneralOpen12.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > FuseGeneralOpen13.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse BlockGeneralOpen14.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Relay BoxGeneralOpen15.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > System DiagramGeneralOpen16.Electrical Diagrams > Starting and Charging > Starting System > Ignition SwitchGeneralOpen17.Electrical Diagrams > Starting and Charging > Starting System > Starter MotorGeneralOpen18.Electrical Diagrams > Starting and Charging > Starting System > System DiagramGeneralOpen19.Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > ComponentsStarting and ChargingOpen20.Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > ConnectorsStarting and ChargingOpen21.Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > GroundsStarting and ChargingOpen22.Diagram Information and Instructions > How to Use DiagramsStarting and ChargingOpen23.Diagram Information and Instructions > Wire Color Code IdentificationStarting and ChargingOpen24.Electrical DiagramsStarting and ChargingOpen25.Power and Ground Distribution — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > ComponentsStarting and ChargingOpen26.Power and Ground Distribution — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > ConnectorsStarting and ChargingOpen27.Power and Ground Distribution — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > GroundsStarting and ChargingOpen28.Power and Ground Distribution — Diagram Information and Instructions > How to Use DiagramsStarting and ChargingOpen29.Power and Ground Distribution — Diagram Information and Instructions > Wire Color Code IdentificationStarting and ChargingOpen30.Power and Ground Distribution — Electrical DiagramsStarting and ChargingOpen31.Starting System — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > ComponentsStarting and ChargingOpen32.Starting System — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > ConnectorsStarting and ChargingOpen33.Starting System — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > GroundsStarting and ChargingOpen34.Starting System — Diagram Information and Instructions > How to Use DiagramsStarting and ChargingOpen35.Starting System — Diagram Information and Instructions > Wire Color Code IdentificationStarting and ChargingOpen36.Starting System — Electrical DiagramsStarting and ChargingOpen

Parts & Tools for This Job

Common parts shoppers buy for 1989 Porsche 928 CS Alternator.

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Assorted Fuses

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Digital Multimeter

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Wire Repair Kit

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Likely Trouble Codes for This System

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P0563: System Voltage HighCode

Electrical code commonly seen during alternator diagnosis.

P0562: System Voltage LowCode

Electrical code commonly seen during alternator diagnosis.

B1318: Battery Voltage LowCode

Body/Electrical code commonly seen during alternator diagnosis.

P0601: ECM/PCM Memory Check Sum ErrorCode

Electrical code commonly seen during alternator diagnosis.

B0001: Driver Frontal Stage 1 Deployment ControlCode

Body/Electrical code commonly seen during alternator diagnosis.

B0010: Passenger Frontal Stage 1 Deployment ControlCode

Body/Electrical code commonly seen during alternator diagnosis.

More 928 CS Wiring Pages

Starter Wiring DiagramABS Brake Wiring DiagramA/C & Heater Wiring DiagramEngine Management Wiring DiagramBody Electrical Wiring Diagram

Same System, Other Vehicles

1990 Toyota Supra Alternator Wiring Diagram1990 Honda Prelude Alternator Wiring Diagram1994 Toyota Celica Alternator Wiring Diagram1995 Toyota Celica Liftback Alternator Wiring Diagram1993 Honda Accord Alternator Wiring Diagram1990 Ford Probe Alternator Wiring Diagram1997 Toyota Supra Liftback Alternator Wiring Diagram1991 Ford Thunderbird Alternator Wiring Diagram
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