Wiring Diagram Cluster

1990 Mazda Protege A/C & Heater Wiring Diagram

Find A/C compressor clutch wiring, blower motor circuits, temperature control module paths, and refrigerant pressure switch schematics.

Matched Diagrams

33

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 β†’

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.

1990 Mazda Protege A L L Diagnostic Trouble Codes ( DTC ) β†’

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More System Pages for This Vehicle

Move laterally into the neighboring systems that usually share the same electrical neighborhood.

Starter Wiring Diagram β†’

Top A/C & Heater Diagram Paths

1.Backup Lamp β€” Connector Views > Less 4WDLighting and HornsOpen2.Backup Lamp β€” Connector Views > With 4WDLighting and HornsOpen3.Backup Lamp β€” Diagram Information and Instructions > Symbol IdenificationLighting and HornsOpen4.Backup Lamp β€” Diagram Information and Instructions > System Circuit DiagramLighting and HornsOpen5.Backup Lamp β€” Diagram Information and Instructions > Wiring Color Code InformationLighting and HornsOpen6.Backup Lamp β€” Electrical Diagrams > Less 4WDLighting and HornsOpen7.Backup Lamp β€” Electrical Diagrams > With 4WDLighting and HornsOpen8.Connector Views > Backup Lamp > Less 4WDGeneralOpen9.Connector Views > Backup Lamp > With 4WDGeneralOpen10.Connector Views > Heating and Air Conditioning > 2WDGeneralOpen11.Connector Views > Heating and Air Conditioning > 4WDGeneralOpen12.Connector Views > Seat Belt Retractor Limit SwitchGeneralOpen13.Electrical Diagrams > Backup Lamp > Less 4WDGeneralOpen14.Electrical Diagrams > Backup Lamp > With 4WDGeneralOpen15.Electrical Diagrams > Heating and Air Conditioning > 2WDGeneralOpen16.Electrical Diagrams > Heating and Air Conditioning > 4WDGeneralOpen17.Electrical Diagrams > Heating and Air Conditioning > Less 4WDGeneralOpen18.Electrical Diagrams > Heating and Air Conditioning > With 4WDGeneralOpen19.Electrical Diagrams > Seat Belt Retractor Limit SwitchGeneralOpen20.Emission Control Systems β€” Vacuum RoutingPowertrain ManagementOpen21.Emission Control Systems β€” Vacuum SchematicPowertrain ManagementOpen22.Vacuum and Vapor Hose Diagrams > Emission Control Systems > Vacuum RoutingGeneralOpen23.Vacuum and Vapor Hose Diagrams > Emission Control Systems > Vacuum SchematicGeneralOpen24.Vacuum and Vapor Hose Diagrams > Fuel Delivery and Air InductionGeneralOpen25.Connector Views > 2WDHeating and Air ConditioningOpen26.Connector Views > 4WDHeating and Air ConditioningOpen27.Diagram Information and Instructions > Symbol IdenificationHeating and Air ConditioningOpen28.Diagram Information and Instructions > System Circuit DiagramHeating and Air ConditioningOpen29.Diagram Information and Instructions > Wiring Color Code InformationHeating and Air ConditioningOpen30.Electrical Diagrams > 2WDHeating and Air ConditioningOpen31.Electrical Diagrams > 4WDHeating and Air ConditioningOpen32.Electrical Diagrams > Less 4WDHeating and Air ConditioningOpen33.Electrical Diagrams > With 4WDHeating and Air ConditioningOpen