Wiring Diagram Cluster
1991 Pontiac Firebird Transmission Wiring Diagram
Find transmission control module wiring, shift solenoid circuits, speed sensor paths, and torque converter clutch schematics.
Matched Diagrams
48
Variant Used
Firebird V6-191 3.1L
Total Vehicle Diagrams
587
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 1991 Pontiac Firebird hub with repairs, specs, codes, and other systems already tied to this car.
View vehicle repair hub →Likely fix path
Exact Repair Guides
These repair flows most often intersect with transmission diagnosis on this exact vehicle.
Transmission Fluid Change →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 →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 > Pull-to-Seat ConnectorsTransmission and DrivetrainOpen7.Automatic Transmission/Transaxle — Diagnostic Aids > Push-to-Seat ConnectorsTransmission and DrivetrainOpen8.Automatic Transmission/Transaxle — Diagram Information and Instructions > Cell ReferencesTransmission and DrivetrainOpen9.Automatic Transmission/Transaxle — Diagram Information and Instructions > Schematic SymbolsTransmission and DrivetrainOpen10.Automatic Transmission/Transaxle — Diagram Information and Instructions > Wire Color Code IdentificationTransmission and DrivetrainOpen11.Automatic Transmission/Transaxle — Electrical DiagramsTransmission and DrivetrainOpen12.Automatic Transmission/Transaxle — Exploded Views > Internal ComponentsTransmission and DrivetrainOpen13.Automatic Transmission/Transaxle — Exploded Views > Unit RepairTransmission and DrivetrainOpen14.Automatic Transmission/Transaxle — Fluid Diagrams > D-4 > D-4 - OverdriveTransmission and DrivetrainOpen15.Automatic Transmission/Transaxle — Fluid Diagrams > Manual LOTransmission and DrivetrainOpen16.Automatic Transmission/Transaxle — Fluid Diagrams > Manual SecondTransmission and DrivetrainOpen17.Automatic Transmission/Transaxle — Fluid Diagrams > Manual ThirdTransmission and DrivetrainOpen18.Automatic Transmission/Transaxle — Fluid Diagrams > Neutral - Engine RunningTransmission and DrivetrainOpen19.Automatic Transmission/Transaxle — Fluid Diagrams > Park - Engine RunningTransmission and DrivetrainOpen20.Automatic Transmission/Transaxle — Fluid Diagrams > ReverseTransmission and DrivetrainOpen21.Automatic Transmission/Transaxle > Lamps and Indicators - A/T > Shift Indicator - A/T — Diagnostic Aids > Pull-to-Seat ConnectorsTransmission and DrivetrainOpen22.Automatic Transmission/Transaxle > Lamps and Indicators - A/T > Shift Indicator - A/T — Diagnostic Aids > Push-to-Seat ConnectorsTransmission and DrivetrainOpen23.Automatic Transmission/Transaxle > Lamps and Indicators - A/T > Shift Indicator - A/T — Diagram Information and Instructions > Cell ReferencesTransmission and DrivetrainOpen24.Automatic Transmission/Transaxle > Lamps and Indicators - A/T > Shift Indicator - A/T — Diagram Information and Instructions > Schematic SymbolsTransmission and DrivetrainOpen25.Automatic Transmission/Transaxle > Lamps and Indicators - A/T > Shift Indicator - A/T — Diagram Information and Instructions > Wire Color Code IdentificationTransmission and DrivetrainOpen26.Automatic Transmission/Transaxle > Lamps and Indicators - A/T > Shift Indicator - A/T — Electrical DiagramsTransmission and DrivetrainOpen27.Automatic Transmission/Transaxle > Shift Indicator - A/T — Diagnostic Aids > Pull-to-Seat ConnectorsTransmission and DrivetrainOpen28.Automatic Transmission/Transaxle > Shift Indicator - A/T — Diagnostic Aids > Push-to-Seat ConnectorsTransmission and DrivetrainOpen29.Automatic Transmission/Transaxle > Shift Indicator - A/T — Diagram Information and Instructions > Cell ReferencesTransmission and DrivetrainOpen30.Automatic Transmission/Transaxle > Shift Indicator - A/T — Diagram Information and Instructions > Schematic SymbolsTransmission and DrivetrainOpen31.Automatic Transmission/Transaxle > Shift Indicator - A/T — Diagram Information and Instructions > Wire Color Code IdentificationTransmission and DrivetrainOpen32.Automatic Transmission/Transaxle > Shift Indicator - A/T — Electrical DiagramsTransmission and DrivetrainOpen33.Lamps and Indicators - Transmission and Drivetrain > Lamps and Indicators - A/T > Shift Indicator - A/T — Diagnostic Aids > Pull-to-Seat ConnectorsTransmission and DrivetrainOpen34.Lamps and Indicators - Transmission and Drivetrain > Lamps and Indicators - A/T > Shift Indicator - A/T — Diagnostic Aids > Push-to-Seat ConnectorsTransmission and DrivetrainOpen35.Lamps and Indicators - Transmission and Drivetrain > Lamps and Indicators - A/T > Shift Indicator - A/T — Diagram Information and Instructions > Cell ReferencesTransmission and DrivetrainOpen36.Lamps and Indicators - Transmission and Drivetrain > Lamps and Indicators - A/T > Shift Indicator - A/T — Diagram Information and Instructions > Schematic SymbolsTransmission and DrivetrainOpen37.Lamps and Indicators - Transmission and Drivetrain > Lamps and Indicators - A/T > Shift Indicator - A/T — Diagram Information and Instructions > Wire Color Code IdentificationTransmission and DrivetrainOpen38.Lamps and Indicators - Transmission and Drivetrain > Lamps and Indicators - A/T > Shift Indicator - A/T — Electrical DiagramsTransmission and DrivetrainOpen39.Manual Transmission/Transaxle — DiagramTransmission and DrivetrainOpen40.Transmission Control Systems > Lamps and Indicators - Transmission and Drivetrain > Lamps and Indicators - A/T > Shift Indicator - A/T — Diagnostic Aids > Pull-to-Seat ConnectorsTransmission and DrivetrainOpen41.Transmission Control Systems > Lamps and Indicators - Transmission and Drivetrain > Lamps and Indicators - A/T > Shift Indicator - A/T — Diagnostic Aids > Push-to-Seat ConnectorsTransmission and DrivetrainOpen42.Transmission Control Systems > Lamps and Indicators - Transmission and Drivetrain > Lamps and Indicators - A/T > Shift Indicator - A/T — Diagram Information and Instructions > Cell ReferencesTransmission and DrivetrainOpen43.Transmission Control Systems > Lamps and Indicators - Transmission and Drivetrain > Lamps and Indicators - A/T > Shift Indicator - A/T — Diagram Information and Instructions > Schematic SymbolsTransmission and DrivetrainOpen44.Transmission Control Systems > Lamps and Indicators - Transmission and Drivetrain > Lamps and Indicators - A/T > Shift Indicator - A/T — Diagram Information and Instructions > Wire Color Code IdentificationTransmission and DrivetrainOpen45.Transmission Control Systems > Lamps and Indicators - Transmission and Drivetrain > Lamps and Indicators - A/T > Shift Indicator - A/T — Electrical DiagramsTransmission and DrivetrainOpen46.Electrical Diagrams > Transmission and Drivetrain > Automatic Transmission/Transaxle > Shift Indicator - A/TGeneralOpen47.Electrical Diagrams > Transmission and Drivetrain > Automatic Transmission/Transaxle > System DiagramGeneralOpen48.Electrical Diagrams > Transmission and Drivetrain > Transfer CaseGeneralOpen
Exact Vehicle Hub
Browse →OEM Manual Evidence
Browse →1991 Pontiac Firebird How to Find Technical Service Bulletins by Category/SymptomOEM Manual
How to Find Technical Service Bulletins by Category/Symptom — 1991 Pontiac Firebird V8-305 5.0L VIN E TBI Service Manual | Operation CHARM...
1991 Pontiac Firebird How to Find Technical Service Bulletins by Category/SymptomOEM Manual
How to Find Technical Service Bulletins by Category/Symptom — 1991 Pontiac Firebird V8-305 5.0L VIN F FI Service Manual | Operation CHARM O...
1991 Pontiac Firebird How to Find Technical Service Bulletins by Category/SymptomOEM Manual
How to Find Technical Service Bulletins by Category/Symptom — 1991 Pontiac Firebird V8-350 5.7L Service Manual | Operation CHARM Operation...
1991 Pontiac Firebird How to Find Technical Service Bulletins by Category/SymptomOEM Manual
How to Find Technical Service Bulletins by Category/Symptom — 1991 Pontiac Firebird V6-191 3.1L Service Manual | Operation CHARM Operation...
Repairs That Intersect This Wiring
Browse →Likely Trouble Codes for This System
Browse →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.
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