Wiring Diagram Cluster
1990 Mazda Protege Body Electrical Wiring Diagram
Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.
Matched Diagrams
44
Variant Used
Protege L4-1839cc 1.8L DOHC
Total Vehicle Diagrams
263
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 Mazda Protege 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.Horn — Connector Views > Less 4WDLighting and HornsOpen2.Horn — Connector Views > With 4WDLighting and HornsOpen3.Horn — Diagram Information and Instructions > Symbol IdenificationLighting and HornsOpen4.Horn — Diagram Information and Instructions > System Circuit DiagramLighting and HornsOpen5.Horn — Diagram Information and Instructions > Wiring Color Code InformationLighting and HornsOpen6.Horn — Electrical Diagrams > Less 4WDLighting and HornsOpen7.Horn — Electrical Diagrams > With 4WDLighting and HornsOpen8.Connector Views > Door LocksGeneralOpen9.Connector Views > Horn > Less 4WDGeneralOpen10.Connector Views > Horn > With 4WDGeneralOpen11.Electrical Diagrams > Door LocksGeneralOpen12.Electrical Diagrams > Horn > Less 4WDGeneralOpen13.Electrical Diagrams > Horn > With 4WDGeneralOpen14.Backup Lamp — Connector Views > Less 4WDLighting and HornsOpen15.Backup Lamp — Connector Views > With 4WDLighting and HornsOpen16.Backup Lamp — Diagram Information and Instructions > Symbol IdenificationLighting and HornsOpen17.Backup Lamp — Diagram Information and Instructions > System Circuit DiagramLighting and HornsOpen18.Backup Lamp — Diagram Information and Instructions > Wiring Color Code InformationLighting and HornsOpen19.Backup Lamp — Electrical Diagrams > Less 4WDLighting and HornsOpen20.Backup Lamp — Electrical Diagrams > With 4WDLighting and HornsOpen21.Hazard Warning Lamps — Connector ViewsLighting and HornsOpen22.Hazard Warning Lamps — Diagram Information and Instructions > Symbol IdenificationLighting and HornsOpen23.Hazard Warning Lamps — Diagram Information and Instructions > System Circuit DiagramLighting and HornsOpen24.Hazard Warning Lamps — Diagram Information and Instructions > Wiring Color Code InformationLighting and HornsOpen25.Hazard Warning Lamps — Electrical DiagramsLighting and HornsOpen26.Headlamp — Connector Views > CanadaLighting and HornsOpen27.Headlamp — Connector Views > USALighting and HornsOpen28.Headlamp — Diagram Information and Instructions > Symbol IdenificationLighting and HornsOpen29.Headlamp — Diagram Information and Instructions > System Circuit DiagramLighting and HornsOpen30.Headlamp — Diagram Information and Instructions > Wiring Color Code InformationLighting and HornsOpen31.Headlamp — Electrical Diagrams > CanadaLighting and HornsOpen32.Headlamp — Electrical Diagrams > USALighting and HornsOpen33.Headlamp — Electrical Diagrams > Wiring Diagram > CanadaLighting and HornsOpen34.Headlamp — Electrical Diagrams > Wiring Diagram > USALighting and HornsOpen35.Tail Lamp — Connector ViewsLighting and HornsOpen36.Tail Lamp — Diagram Information and Instructions > Symbol IdenificationLighting and HornsOpen37.Tail Lamp — Diagram Information and Instructions > System Circuit DiagramLighting and HornsOpen38.Tail Lamp — Diagram Information and Instructions > Wiring Color Code InformationLighting and HornsOpen39.Tail Lamp — Electrical DiagramsLighting and HornsOpen40.Turn Signals — Connector ViewsLighting and HornsOpen41.Turn Signals — Diagram Information and Instructions > Symbol IdenificationLighting and HornsOpen42.Turn Signals — Diagram Information and Instructions > System Circuit DiagramLighting and HornsOpen43.Turn Signals — Diagram Information and Instructions > Wiring Color Code InformationLighting and HornsOpen44.Turn Signals — Electrical DiagramsLighting and HornsOpen
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