Wiring Diagram Cluster

1993 Buick Roadmaster Transmission Wiring Diagram

Find transmission control module wiring, shift solenoid circuits, speed sensor paths, and torque converter clutch schematics.

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Matched Diagrams

48

Variant Used

Roadmaster Estate Wagon V8-350 5.7L

Total Vehicle Diagrams

1284

From Diagram To Fix

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Transmission Fluid Change1993 Buick Roadmaster How to Find Technical Service Bulletins by Category/Symptom

Likely fix path

Exact Repair Guides

These repair flows most often intersect with transmission diagnosis on this exact vehicle.

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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.

C0035: Left Front Wheel Speed Sensor Circuit →
C0040: Right Front Wheel Speed Sensor CircuitC0050: Right Rear Wheel Speed Sensor CircuitC0236: Rear Wheel Speed Sensor Signal Erratic

Top Transmission Diagram Paths

1.Automatic Transmission/Transaxle — Fluid Diagrams > D-4 > D-4 - First GearTransmission and DrivetrainOpen2.Automatic Transmission/Transaxle — Fluid Diagrams > D-4 > D-4 - Second GearTransmission and DrivetrainOpen3.Automatic Transmission/Transaxle — Fluid Diagrams > D-4 > D-4 - Third Gear (Converter Clutch Applied)Transmission and DrivetrainOpen4.Automatic Transmission/Transaxle — Fluid Diagrams > Detent Downshifts (Valves In Second Gear Position)Transmission and DrivetrainOpen5.Automatic Transmission/Transaxle — Fluid Diagrams > Part Throttle 4-3 & Modulated Downshifts (Valves In 3rd Gear)Transmission and DrivetrainOpen6.Automatic Transmission/Transaxle — Diagnostic Aids > Circuit Protection DevicesTransmission and DrivetrainOpen7.Automatic Transmission/Transaxle — Diagnostic Aids > Connector, Splicing and Terminal Repair > Splicing Copper Wire Using Crimp and Seal Splice SleevesTransmission and DrivetrainOpen8.Automatic Transmission/Transaxle — Diagnostic Aids > Connector, Splicing and Terminal Repair > Splicing Copper Wire Using Splice ClipsTransmission and DrivetrainOpen9.Automatic Transmission/Transaxle — Diagnostic Aids > Connector, Splicing and Terminal Repair > Splicing Twisted/Shielded CableTransmission and DrivetrainOpen10.Automatic Transmission/Transaxle — Diagnostic Aids > General Troubleshooting Procedures > Basic Troubleshooting GuideTransmission and DrivetrainOpen11.Automatic Transmission/Transaxle — Diagnostic Aids > General Troubleshooting Procedures > Checking Terminal ContactsTransmission and DrivetrainOpen12.Automatic Transmission/Transaxle — Diagnostic Aids > General Troubleshooting Procedures > Intermittents and Poor ConnectionsTransmission and DrivetrainOpen13.Automatic Transmission/Transaxle — Diagnostic Aids > General Troubleshooting Procedures > Troubleshooting TestsTransmission and DrivetrainOpen14.Automatic Transmission/Transaxle — Diagnostic Aids > General Troubleshooting Procedures > Troubleshooting ToolsTransmission and DrivetrainOpen15.Automatic Transmission/Transaxle — Diagnostic Aids > Handling and Measuring ProceduresTransmission and DrivetrainOpen16.Automatic Transmission/Transaxle — Diagnostic Aids > Repairing ConnectorsTransmission and DrivetrainOpen17.Automatic Transmission/Transaxle — Diagnostic Aids > Terminal RepairTransmission and DrivetrainOpen18.Automatic Transmission/Transaxle — Diagnostic Aids > Typical Electrical RepairTransmission and DrivetrainOpen19.Automatic Transmission/Transaxle — Diagram Information and Instructions > Cell ReferencesTransmission and DrivetrainOpen20.Automatic Transmission/Transaxle — Diagram Information and Instructions > Schematic SymbolsTransmission and DrivetrainOpen21.Automatic Transmission/Transaxle — Diagram Information and Instructions > Wire Color Code IdentificationTransmission and DrivetrainOpen22.Automatic Transmission/Transaxle — Electrical DiagramsTransmission and DrivetrainOpen23.Automatic Transmission/Transaxle — Exploded ViewsTransmission and DrivetrainOpen24.Automatic Transmission/Transaxle — Fluid Diagrams > D-4 > D-4 - OverdriveTransmission and DrivetrainOpen25.Automatic Transmission/Transaxle — Fluid Diagrams > Manual LOTransmission and DrivetrainOpen26.Automatic Transmission/Transaxle — Fluid Diagrams > Manual SecondTransmission and DrivetrainOpen27.Automatic Transmission/Transaxle — Fluid Diagrams > Manual ThirdTransmission and DrivetrainOpen28.Automatic Transmission/Transaxle — Fluid Diagrams > Neutral - Engine RunningTransmission and DrivetrainOpen29.Automatic Transmission/Transaxle — Fluid Diagrams > Park - Engine RunningTransmission and DrivetrainOpen30.Automatic Transmission/Transaxle — Fluid Diagrams > ReverseTransmission and DrivetrainOpen31.Electrical Diagrams > Transmission and Drivetrain > Automatic Transmission/TransaxleGeneralOpen32.Electrical Diagrams > Transmission and Drivetrain > Transfer CaseGeneralOpen33.Fluid Diagrams > Automatic Transmission/Transaxle > D-4 > D-4 - First GearGeneralOpen34.Fluid Diagrams > Automatic Transmission/Transaxle > D-4 > D-4 - Second GearGeneralOpen35.Fluid Diagrams > Automatic Transmission/Transaxle > D-4 > D-4 - Third Gear (Converter Clutch Applied)GeneralOpen36.Fluid Diagrams > Automatic Transmission/Transaxle > Detent Downshifts (Valves In Second Gear Position)GeneralOpen37.Fluid Diagrams > Automatic Transmission/Transaxle > Part Throttle 4-3 & Modulated Downshifts (Valves In 3rd Gear)GeneralOpen38.Electrical Diagrams > Automatic Transmission/Transaxle ControlsPowertrain ManagementOpen39.Electrical Diagrams > Powertrain Management > System Diagram > Automatic Transmission/Transaxle ControlsGeneralOpen40.Electrical Diagrams > Transmission and Drivetrain > System DiagramGeneralOpen41.Exploded Views > Automatic Transmission/TransaxleGeneralOpen42.Fluid Diagrams > Automatic Transmission/Transaxle > D-4 > D-4 - OverdriveGeneralOpen43.Fluid Diagrams > Automatic Transmission/Transaxle > Manual LOGeneralOpen44.Fluid Diagrams > Automatic Transmission/Transaxle > Manual SecondGeneralOpen45.Fluid Diagrams > Automatic Transmission/Transaxle > Manual ThirdGeneralOpen46.Fluid Diagrams > Automatic Transmission/Transaxle > Neutral - Engine RunningGeneralOpen47.Fluid Diagrams > Automatic Transmission/Transaxle > Park - Engine RunningGeneralOpen48.Fluid Diagrams > Automatic Transmission/Transaxle > ReverseGeneralOpen

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1993 Buick Roadmaster Repair HubExact Vehicle

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OEM Manual Evidence

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1993 Buick Roadmaster How to Find Technical Service Bulletins by Category/SymptomOEM Manual

How to Find Technical Service Bulletins by Category/Symptom — 1993 Buick Roadmaster Estate Wagon V8-350 5.7L Service Manual | Operation CHA...

1993 Buick Roadmaster How to Find Technical Service Bulletins by Category/SymptomOEM Manual

How to Find Technical Service Bulletins by Category/Symptom — 1993 Buick Roadmaster V8-350 5.7L Service Manual | Operation CHARM Operation...

1993 Buick Roadmaster A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1993 Buick Roadmaster Estate Wagon V8-350 5.7L Service Manual | Operation CHARM Operation CHARM :...

1993 Buick Roadmaster A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1993 Buick Roadmaster V8-350 5.7L Service Manual | Operation CHARM Operation CHARM : Car repair ma...

Repairs That Intersect This Wiring

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1993 Buick Roadmaster Transmission Fluid ChangeRepair

Open the matching repair workflow that usually intersects with transmission diagnosis on this vehicle.

Likely Trouble Codes for This System

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C0035: Left Front Wheel Speed Sensor CircuitCode

Chassis/Brakes code commonly seen during transmission diagnosis.

C0040: Right Front Wheel Speed Sensor CircuitCode

Chassis/Brakes code commonly seen during transmission diagnosis.

C0050: Right Rear Wheel Speed Sensor CircuitCode

Chassis/Brakes code commonly seen during transmission diagnosis.

C0236: Rear Wheel Speed Sensor Signal ErraticCode

Chassis/Brakes code commonly seen during transmission diagnosis.

P0500: Vehicle Speed Sensor ACode

Transmission code commonly seen during transmission diagnosis.

P0715: Input/Turbine Speed Sensor CircuitCode

Transmission code commonly seen during transmission diagnosis.

More Roadmaster Wiring Pages

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