Wiring Diagram Cluster
1987 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 L4-2479cc 2.5L
Total Vehicle Diagrams
396
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 1987 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 LocationsBody and FrameOpen2.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Current Flow DiagramBody and FrameOpen3.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Use DiagramsBody and FrameOpen4.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen5.Doors, Hood and Trunk > Trunk / Liftgate — Electrical DiagramsBody and FrameOpen6.Horn — Diagram Information and Instructions > Component, Connector, Ground and Splice LocationsLighting and HornsOpen7.Horn — Diagram Information and Instructions > Current Flow DiagramLighting and HornsOpen8.Horn — Diagram Information and Instructions > How to Use DiagramsLighting and HornsOpen9.Horn — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen10.Horn — Electrical DiagramsLighting and HornsOpen11.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen12.Electrical Diagrams > Lighting and Horns > Brake LampGeneralOpen13.Electrical Diagrams > Lighting and Horns > Courtesy LampGeneralOpen14.Electrical Diagrams > Lighting and Horns > Dome LampGeneralOpen15.Electrical Diagrams > Lighting and Horns > Fog/Driving Lamp > Fog/Driving Lamp RelayGeneralOpen16.Electrical Diagrams > Lighting and Horns > Fog/Driving Lamp > System DiagramGeneralOpen17.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > Hazard Flasher RelayGeneralOpen18.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > System DiagramGeneralOpen19.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp MotorGeneralOpen20.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Motor RelayGeneralOpen21.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp SwitchGeneralOpen22.Electrical Diagrams > Lighting and Horns > Headlamp > System DiagramGeneralOpen23.Electrical Diagrams > Lighting and Horns > Horn > Horn RelayGeneralOpen24.Electrical Diagrams > Lighting and Horns > Horn > System DiagramGeneralOpen25.Electrical Diagrams > Lighting and Horns > System DiagramGeneralOpen26.Electrical Diagrams > Lighting and Horns > Tail LampGeneralOpen27.Electrical Diagrams > Lighting and Horns > Turn Signals > System DiagramGeneralOpen28.Electrical Diagrams > Lighting and Horns > Turn Signals > Turn Signal FlasherGeneralOpen29.Electrical Diagrams > Lighting and Horns > Turn Signals > Turn Signal SwitchGeneralOpen30.Electrical Diagrams > Trunk / LiftgateGeneralOpen31.Courtesy Lamp — Diagram Information and Instructions > Component, Connector, Ground and Splice LocationsLighting and HornsOpen32.Courtesy Lamp — Diagram Information and Instructions > Current Flow DiagramLighting and HornsOpen33.Courtesy Lamp — Diagram Information and Instructions > How to Use DiagramsLighting and HornsOpen34.Courtesy Lamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen35.Courtesy Lamp — Electrical DiagramsLighting and HornsOpen36.Diagram Information and Instructions > Component, Connector, Ground and Splice LocationsLighting and HornsOpen37.Diagram Information and Instructions > Current Flow DiagramLighting and HornsOpen38.Diagram Information and Instructions > How to Use DiagramsLighting and HornsOpen39.Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen40.Electrical DiagramsLighting and HornsOpen41.Fog/Driving Lamp — Diagram Information and Instructions > Component, Connector, Ground and Splice LocationsLighting and HornsOpen42.Fog/Driving Lamp — Diagram Information and Instructions > Current Flow DiagramLighting and HornsOpen43.Fog/Driving Lamp — Diagram Information and Instructions > How to Use DiagramsLighting and HornsOpen44.Fog/Driving Lamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen45.Fog/Driving Lamp — Electrical DiagramsLighting and HornsOpen46.Hazard Warning Lamps — Diagram Information and Instructions > Component, Connector, Ground and Splice LocationsLighting and HornsOpen47.Hazard Warning Lamps — Diagram Information and Instructions > Current Flow DiagramLighting and HornsOpen48.Hazard Warning Lamps — Diagram Information and Instructions > How to Use DiagramsLighting and HornsOpen
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