Wiring Diagram Cluster

1989 Isuzu I-Mark 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

37

Variant Used

I-Mark L4-1471cc 1.5L

Total Vehicle Diagrams

211

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Factory Manual Evidence

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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.Electrical Diagrams > Lighting and Horns > Trunk LampGeneralOpen2.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen3.Electrical Diagrams > Lighting and Horns > Brake LampGeneralOpen4.Electrical Diagrams > Lighting and Horns > Dome LampGeneralOpen5.Electrical Diagrams > Lighting and Horns > Fog/Driving LampGeneralOpen6.Electrical Diagrams > Lighting and Horns > Hazard Warning LampsGeneralOpen7.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Part 1 of 2GeneralOpen8.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Part 2 of 2GeneralOpen9.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > Less TurboGeneralOpen10.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > With TurboGeneralOpen11.Electrical Diagrams > Lighting and Horns > HornGeneralOpen12.Electrical Diagrams > Lighting and Horns > License Plate LampGeneralOpen13.Electrical Diagrams > Lighting and Horns > Marker LampGeneralOpen14.Electrical Diagrams > Lighting and Horns > Parking LampGeneralOpen15.Electrical Diagrams > Lighting and Horns > System Diagram > Less TurboGeneralOpen16.Electrical Diagrams > Lighting and Horns > System Diagram > With TurboGeneralOpen17.Electrical Diagrams > Lighting and Horns > Turn SignalsGeneralOpen18.Brake Lamp — Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen19.Brake Lamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen20.Brake Lamp — Electrical DiagramsLighting and HornsOpen21.Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen22.Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen23.Electrical Diagrams > Less TurboLighting and HornsOpen24.Electrical Diagrams > With TurboLighting and HornsOpen25.Fog/Driving Lamp — Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen26.Fog/Driving Lamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen27.Fog/Driving Lamp — Electrical DiagramsLighting and HornsOpen28.Headlamp — Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen29.Headlamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen30.Headlamp — Electrical Diagrams > Less TurboLighting and HornsOpen31.Headlamp — Electrical Diagrams > With TurboLighting and HornsOpen32.Roof and Associated Components > Convertible Top — Diagram Information and Instructions > Symbol IdentificationBody and FrameOpen33.Roof and Associated Components > Convertible Top — Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen34.Roof and Associated Components > Convertible Top — Electrical DiagramsBody and FrameOpen35.Turn Signals — Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen36.Turn Signals — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen37.Turn Signals — Electrical DiagramsLighting and HornsOpen

Parts & Tools for This Job

Common parts shoppers buy for 1989 Isuzu I-Mark 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 I-Mark Wiring Pages

Starter Wiring DiagramAlternator Wiring DiagramHeadlight Wiring DiagramA/C & Heater Wiring DiagramInstrument Cluster Wiring DiagramWiper & Washer Wiring DiagramCruise Control Wiring DiagramEngine Management Wiring Diagram

Same System, Other Vehicles

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