Wiring Diagram Cluster

1987 Ford Mustang Body Electrical Wiring Diagram

Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.

Open Exact Vehicle Repair Hub Open Interactive Diagram Browser Browse All Wiring Diagrams

Matched Diagrams

48

Variant Used

Mustang L4-140 2.3L SOHC

Total Vehicle Diagrams

213

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.

Keep context

Vehicle Repair Hub

Step out of raw diagrams and into the full 1987 Ford Mustang 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 →

U0140: Lost Communication with Body Control Module

Top Body Electrical Diagram Paths

1.Doors, Hood and Trunk > Fuel Door — Diagram Information and InstructionsBody and FrameOpen 2.Doors, Hood and Trunk > Fuel Door — Electrical DiagramsBody and FrameOpen 3.Horn — Diagram Information and InstructionsLighting and HornsOpen 4.Horn — Electrical DiagramsLighting and HornsOpen 5.Electrical Diagrams > Fuel Door > Fuel Door LockGeneralOpen 6.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen 7.Electrical Diagrams > Lighting and Horns > Brake LampGeneralOpen 8.Electrical Diagrams > Lighting and Horns > Courtesy LampGeneralOpen 9.Electrical Diagrams > Lighting and Horns > Fog/Driving LampGeneralOpen 10.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > Hazard Warning SwitchGeneralOpen 11.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > System DiagramGeneralOpen 12.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Control ModuleGeneralOpen 13.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Dimmer SwitchGeneralOpen 14.Electrical Diagrams > Lighting and Horns > Headlamp > System DiagramGeneralOpen 15.Electrical Diagrams > Lighting and Horns > HornGeneralOpen 16.Electrical Diagrams > Lighting and Horns > Marker LampGeneralOpen 17.Electrical Diagrams > Lighting and Horns > Parking LampGeneralOpen 18.Electrical Diagrams > Lighting and Horns > System DiagramGeneralOpen 19.Electrical Diagrams > Lighting and Horns > Turn Signals > System DiagramGeneralOpen 20.Electrical Diagrams > Lighting and Horns > Turn Signals > Turn Signal LampGeneralOpen 21.Electrical Diagrams > Lighting and Horns > Turn Signals > Turn Signal SwitchGeneralOpen 22.Electrical Diagrams > Power Locks > Power Door Lock ActuatorGeneralOpen 23.Electrical Diagrams > Power Locks > Power Door Lock SwitchGeneralOpen 24.Electrical Diagrams > Power Trunk / Liftgate Lock SwitchGeneralOpen 25.Electrical Diagrams > Trunk / Liftgate MotorGeneralOpen 26.Electrical Diagrams > Trunk / Liftgate RelayGeneralOpen 27.Electrical Diagrams > Trunk / Liftgate SolenoidGeneralOpen 28.Electrical Diagrams > Trunk / Liftgate SwitchGeneralOpen 29.Backup Lamp — Diagram Information and InstructionsLighting and HornsOpen 30.Backup Lamp — Electrical DiagramsLighting and HornsOpen 31.Courtesy Lamp — Diagram Information and InstructionsLighting and HornsOpen 32.Courtesy Lamp — Electrical DiagramsLighting and HornsOpen 33.Diagram Information and InstructionsLighting and HornsOpen 34.Electrical DiagramsLighting and HornsOpen 35.Fog/Driving Lamp — Diagram Information and InstructionsLighting and HornsOpen 36.Fog/Driving Lamp — Electrical DiagramsLighting and HornsOpen 37.Hazard Warning Lamps — Diagram Information and InstructionsLighting and HornsOpen 38.Hazard Warning Lamps — Electrical DiagramsLighting and HornsOpen 39.Headlamp — Diagram Information and InstructionsLighting and HornsOpen 40.Headlamp — Electrical DiagramsLighting and HornsOpen 41.Locks > Power Locks — Diagram Information and InstructionsBody and FrameOpen 42.Locks > Power Locks — Electrical DiagramsBody and FrameOpen 43.Mirrors — Diagram Information and InstructionsBody and FrameOpen 44.Mirrors — Electrical DiagramsBody and FrameOpen 45.Roof and Associated Components > Convertible Top — Diagram Information and InstructionsBody and FrameOpen 46.Roof and Associated Components > Convertible Top — Electrical DiagramsBody and FrameOpen 47.Seats — Diagram Information and InstructionsBody and FrameOpen 48.Seats — Electrical DiagramsBody and FrameOpen

Exact Vehicle Hub

1987 Ford Mustang Repair HubExact Vehicle

Open the exact vehicle hub for this wiring page to move into repair, manual, and code clusters without leaving the 1987 Ford Mustang context.

Likely Trouble Codes for This System

B1318: Battery Voltage LowCode

Body/Electrical code commonly seen during body electrical diagnosis.

U0140: Lost Communication with Body Control ModuleCode

Network/Communication code commonly seen during body electrical diagnosis.

More Mustang Wiring Pages

Starter Wiring Diagram Alternator Wiring Diagram Headlight Wiring Diagram A/C & Heater Wiring Diagram Instrument Cluster Wiring Diagram Wiper & Washer Wiring Diagram Transmission Wiring Diagram Cruise Control Wiring Diagram Engine Management Wiring Diagram

Same System, Other Vehicles

1990 Ford Probe Body Electrical Wiring Diagram 1991 Ford Thunderbird Body Electrical Wiring Diagram 1992 Ford Crown Victoria Body Electrical Wiring Diagram 1993 Ford Taurus Body Electrical Wiring Diagram 1994 Ford Escort Body Electrical Wiring Diagram 1994 Ford Mustang Body Electrical Wiring Diagram 1995 Ford Contour Body Electrical Wiring Diagram 1988 Ford Tempo AWD Body Electrical Wiring Diagram