Wiring Diagram Cluster
1990 Porsche 944 Body Electrical Wiring Diagram
Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.
Matched Diagrams
48
Variant Used
944 S2 Cabriolet L4-2990cc 3.0L DOHC
Total Vehicle Diagrams
457
From Diagram To Fix
Use this wiring page as the jump point, not the dead end
Open the exact diagram, then move directly into the vehicle hub, the repair most likely tied to this system, or the code cluster that usually shows up with it.
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Vehicle Repair Hub
Step out of raw diagrams and into the full 1990 Porsche 944 hub with repairs, specs, codes, and other systems already tied to this car.
View vehicle repair hub →OEM source
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.
Open interactive browser →Diagnostic signal
Codes Often Seen With This System
Use the code cluster when wiring faults overlap with check-engine or module-level diagnostics.
B1318: Battery Voltage Low →Top Body Electrical Diagram Paths
1.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > ComponentsBody and FrameOpen2.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > ConnectorsBody and FrameOpen3.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > GroundsBody and FrameOpen4.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Use DiagramsBody and FrameOpen5.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen6.Doors, Hood and Trunk > Trunk / Liftgate — Electrical DiagramsBody and FrameOpen7.Horn — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > ComponentsLighting and HornsOpen8.Horn — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > ConnectorsLighting and HornsOpen9.Horn — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > GroundsLighting and HornsOpen10.Horn — Diagram Information and Instructions > How to Use DiagramsLighting and HornsOpen11.Horn — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen12.Horn — Electrical DiagramsLighting and HornsOpen13.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen14.Electrical Diagrams > Lighting and Horns > Brake LampGeneralOpen15.Electrical Diagrams > Lighting and Horns > Courtesy LampGeneralOpen16.Electrical Diagrams > Lighting and Horns > Dome LampGeneralOpen17.Electrical Diagrams > Lighting and Horns > Fog/Driving Lamp > Fog/Driving Lamp RelayGeneralOpen18.Electrical Diagrams > Lighting and Horns > Fog/Driving Lamp > System DiagramGeneralOpen19.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > Hazard Flasher RelayGeneralOpen20.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > System DiagramGeneralOpen21.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp MotorGeneralOpen22.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Motor RelayGeneralOpen23.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp SwitchGeneralOpen24.Electrical Diagrams > Lighting and Horns > Headlamp > System DiagramGeneralOpen25.Electrical Diagrams > Lighting and Horns > Horn > Horn RelayGeneralOpen26.Electrical Diagrams > Lighting and Horns > Horn > System DiagramGeneralOpen27.Electrical Diagrams > Lighting and Horns > System DiagramGeneralOpen28.Electrical Diagrams > Lighting and Horns > Tail LampGeneralOpen29.Electrical Diagrams > Lighting and Horns > Turn Signals > System DiagramGeneralOpen30.Electrical Diagrams > Lighting and Horns > Turn Signals > Turn Signal FlasherGeneralOpen31.Electrical Diagrams > Lighting and Horns > Turn Signals > Turn Signal SwitchGeneralOpen32.Electrical Diagrams > Trunk / LiftgateGeneralOpen33.Backup Lamp — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > ComponentsLighting and HornsOpen34.Backup Lamp — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > ConnectorsLighting and HornsOpen35.Backup Lamp — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > GroundsLighting and HornsOpen36.Backup Lamp — Diagram Information and Instructions > How to Use DiagramsLighting and HornsOpen37.Backup Lamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen38.Backup Lamp — Electrical DiagramsLighting and HornsOpen39.Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > ComponentsLighting and HornsOpen40.Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > ConnectorsLighting and HornsOpen41.Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > GroundsLighting and HornsOpen42.Diagram Information and Instructions > How to Use DiagramsLighting and HornsOpen43.Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen44.Electrical DiagramsLighting and HornsOpen45.Fog/Driving Lamp — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > ComponentsLighting and HornsOpen46.Fog/Driving Lamp — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > ConnectorsLighting and HornsOpen47.Fog/Driving Lamp — Diagram Information and Instructions > Component, Connector, Ground and Splice Locations > GroundsLighting and HornsOpen48.Fog/Driving Lamp — Diagram Information and Instructions > How to Use DiagramsLighting and HornsOpen
Exact Vehicle Hub
Browse →Likely Trouble Codes for This System
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Same System, Other Vehicles
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