Wiring Diagram Cluster

1987 Mazda RX7 2RTR- 1308cc Body Electrical Wiring Diagram

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

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Matched Diagrams

34

Variant Used

RX7 2RTR- 1308cc 1.3L FI

Total Vehicle Diagrams

163

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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.

B1318: Battery Voltage Low →
U0140: Lost Communication with Body Control Module

Top Body Electrical Diagram Paths

1.Horn — Diagram Information and InstructionsLighting and HornsOpen2.Horn — Electrical Diagrams > Interconnecting Diagram of Central Processing UnitLighting and HornsOpen3.Horn — Electrical Diagrams > Wiring DiagramLighting and HornsOpen4.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen5.Electrical Diagrams > Lighting and Horns > Brake LampGeneralOpen6.Electrical Diagrams > Lighting and Horns > Brake Light SwitchGeneralOpen7.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Glove Box Lamp > Glove Box Light WiringGeneralOpen8.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Glove Box Lamp > Storage Marker Light WiringGeneralOpen9.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Glove Box Lamp SwitchGeneralOpen10.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > System DiagramGeneralOpen11.Electrical Diagrams > Lighting and Horns > Hazard Warning Flasher > Hazard Flasher WiringGeneralOpen12.Electrical Diagrams > Lighting and Horns > Hazard Warning Flasher > Inter Connecting Diagram of Central Processing UnitGeneralOpen13.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp MotorGeneralOpen14.Electrical Diagrams > Lighting and Horns > Headlamp > System DiagramGeneralOpen15.Electrical Diagrams > Lighting and Horns > Horn > Interconnecting Diagram of Central Processing UnitGeneralOpen16.Electrical Diagrams > Lighting and Horns > Horn > Wiring DiagramGeneralOpen17.Electrical Diagrams > Lighting and Horns > License Plate LampGeneralOpen18.Electrical Diagrams > Lighting and Horns > Marker LampGeneralOpen19.Electrical Diagrams > Lighting and Horns > Parking LampGeneralOpen20.Electrical Diagrams > Lighting and Horns > System Diagram > Inter Connecting Diagram of Central Processing UnitGeneralOpen21.Electrical Diagrams > Lighting and Horns > System Diagram > Wiring DiagramGeneralOpen22.Electrical Diagrams > Lighting and Horns > Turn Signals > System DiagramGeneralOpen23.Electrical Diagrams > Lighting and Horns > Turn Signals > Turn Signal FlasherGeneralOpen24.Courtesy Lamp — Diagram Information and InstructionsLighting and HornsOpen25.Courtesy Lamp — Electrical DiagramsLighting and HornsOpen26.Diagram Information and InstructionsLighting and HornsOpen27.Electrical Diagrams > Inter Connecting Diagram of Central Processing UnitLighting and HornsOpen28.Electrical Diagrams > Wiring DiagramLighting and HornsOpen29.Headlamp — Diagram Information and InstructionsLighting and HornsOpen30.Headlamp — Electrical DiagramsLighting and HornsOpen31.Roof and Associated Components > Sunroof / Moonroof — Diagram Information and InstructionsBody and FrameOpen32.Roof and Associated Components > Sunroof / Moonroof — Electrical DiagramsBody and FrameOpen33.Turn Signals — Diagram Information and InstructionsLighting and HornsOpen34.Turn Signals — Electrical DiagramsLighting and HornsOpen

Parts & Tools for This Job

Common parts shoppers buy for 1987 Mazda RX7 2RTR- 1308cc Body Electrical.

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Assorted Fuses

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Relays

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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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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 RX7 2RTR- 1308cc Wiring Pages

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Same System, Other Vehicles

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