Wiring Diagram Cluster
1991 Pontiac Bonneville Instrument Cluster Wiring Diagram
Find instrument panel wiring, gauge sender circuits, warning light paths, and speedometer/tachometer schematics.
Matched Diagrams
48
Variant Used
Bonneville V6-3800 3.8L
Total Vehicle Diagrams
797
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 Bonneville 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.
U0073: Control Module Communication Bus Off →Top Instrument Cluster Diagram Paths
1.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > U50 Option (SSE) > SpeedometerInstrument Panel, Gauges and Warning IndicatorsOpen2.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > U50 Option (SSE) > Tachometer, Charge and Oil IndicatorsInstrument Panel, Gauges and Warning IndicatorsOpen3.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > Speedometer > Less Driver Information CenterInstrument Panel, Gauges and Warning IndicatorsOpen4.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > Speedometer > With Driver Information CenterInstrument Panel, Gauges and Warning IndicatorsOpen5.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > GaugesInstrument Panel, Gauges and Warning IndicatorsOpen6.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > Instrument ClusterInstrument Panel, Gauges and Warning IndicatorsOpen7.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > U50 Option (SSE) > Coolant Temperature, Security IndicatorsInstrument Panel, Gauges and Warning IndicatorsOpen8.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > U50 Option (SSE) > High Beam, Safety Belt, Turn IndicatorsInstrument Panel, Gauges and Warning IndicatorsOpen9.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > U50 Option (SSE) > Voltmeter, Antilock, Brake, Service Engine Soon IndicatorsInstrument Panel, Gauges and Warning IndicatorsOpen10.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > Voltmeter > Less Driver Information CenterInstrument Panel, Gauges and Warning IndicatorsOpen11.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > Voltmeter > With Driver Information CenterInstrument Panel, Gauges and Warning IndicatorsOpen12.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > Antilock, Brake, Service Engine Soon, Voltmeter > Less Driver Information CenterInstrument Panel, Gauges and Warning IndicatorsOpen13.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > Antilock, Brake, Service Engine Soon, Voltmeter > With Driver Information CenterInstrument Panel, Gauges and Warning IndicatorsOpen14.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > ChargeInstrument Panel, Gauges and Warning IndicatorsOpen15.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > Coolant TemperatureInstrument Panel, Gauges and Warning IndicatorsOpen16.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > Engine Oil > Less Driver Information CenterInstrument Panel, Gauges and Warning IndicatorsOpen17.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > Engine Oil > With Driver Information CenterInstrument Panel, Gauges and Warning IndicatorsOpen18.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > Fasten Safety BeltsInstrument Panel, Gauges and Warning IndicatorsOpen19.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > High Beam & Turn Indicators > Less Driver Information CenterInstrument Panel, Gauges and Warning IndicatorsOpen20.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > High Beam & Turn Indicators > With Driver Information CenterInstrument Panel, Gauges and Warning IndicatorsOpen21.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > Tail Light OutageInstrument Panel, Gauges and Warning IndicatorsOpen22.Electrical Diagrams > Instrument Panel and Warning Indicators > Indicator Cluster > SpeedometerInstrument Panel, Gauges and Warning IndicatorsOpen23.Electrical Diagrams > Instrument Panel and Warning Indicators > Indicator Cluster > Brake IndicatorInstrument Panel, Gauges and Warning IndicatorsOpen24.Electrical Diagrams > Instrument Panel and Warning Indicators > Indicator Cluster > Charge, Coolant Temperature, Oil, Service Engine SoonInstrument Panel, Gauges and Warning IndicatorsOpen25.Electrical Diagrams > Instrument Panel and Warning Indicators > Indicator Cluster > Fasten Safety Belts, High Beam, Turn IndicatorsInstrument Panel, Gauges and Warning IndicatorsOpen26.Electrical Diagrams > Instrument Panel and Warning Indicators > Indicator Cluster > Fuel GageInstrument Panel, Gauges and Warning IndicatorsOpen27.Electrical Diagrams > Instrument Panel and Warning Indicators > Standard Cluster > Ignition Key, Lights On, Safety Belt Warning IndicatorsInstrument Panel, Gauges and Warning IndicatorsOpen28.Electrical Diagrams > Instrument Panel and Warning Indicators > Standard Cluster > Warning IndicatorsInstrument Panel, Gauges and Warning IndicatorsOpen29.Electrical Diagrams > Instrument Panel Dimming > Gauge Cluster (U50 Option) (SSE)Instrument Panel, Gauges and Warning IndicatorsOpen30.Electrical Diagrams > Instrument Panel Dimming > Gauge Cluster (UB3 Option)Instrument Panel, Gauges and Warning IndicatorsOpen31.Electrical Diagrams > Instrument Panel Illumination > Gauge Cluster (U50 Option) (SSE)Instrument Panel, Gauges and Warning IndicatorsOpen32.Electrical Diagrams > Instrument Panel Illumination > Gauge Cluster (UB3 Option)Instrument Panel, Gauges and Warning IndicatorsOpen33.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Gauge Cluster > U50 Option (SSE) > SpeedometerGeneralOpen34.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Gauge Cluster > U50 Option (SSE) > Tachometer, Charge and Oil IndicatorsGeneralOpen35.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > Speedometer > Less Driver Information CenterGeneralOpen36.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > Speedometer > With Driver Information CenterGeneralOpen37.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Indicator Cluster > SpeedometerGeneralOpen38.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Gauge Cluster > GaugesGeneralOpen39.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Gauge Cluster > Instrument ClusterGeneralOpen40.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Gauge Cluster > U50 Option (SSE) > Coolant Temperature, Security IndicatorsGeneralOpen41.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Gauge Cluster > U50 Option (SSE) > High Beam, Safety Belt, Turn IndicatorsGeneralOpen42.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Gauge Cluster > U50 Option (SSE) > Voltmeter, Antilock, Brake, Service Engine Soon IndicatorsGeneralOpen43.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Gauge Cluster > Voltmeter > Less Driver Information CenterGeneralOpen44.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Gauge Cluster > Voltmeter > With Driver Information CenterGeneralOpen45.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > Antilock, Brake, Service Engine Soon, Voltmeter > Less Driver Information CenterGeneralOpen46.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > Antilock, Brake, Service Engine Soon, Voltmeter > With Driver Information CenterGeneralOpen47.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > ChargeGeneralOpen48.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > Coolant TemperatureGeneralOpen
Exact Vehicle Hub
Browse →Likely Trouble Codes for This System
Browse →U0073: Control Module Communication Bus OffCode
Network/Communication code commonly seen during instrument cluster diagnosis.
B0001: Driver Frontal Stage 1 Deployment ControlCode
Body/Electrical code commonly seen during instrument cluster diagnosis.
B0010: Passenger Frontal Stage 1 Deployment ControlCode
Body/Electrical code commonly seen during instrument cluster diagnosis.
P0218: Transmission Fluid Over TemperatureCode
Transmission code commonly seen during instrument cluster diagnosis.
P0562: System Voltage LowCode
Electrical code commonly seen during instrument cluster diagnosis.
P0700: Transmission Control SystemCode
Transmission code commonly seen during instrument cluster diagnosis.
More Bonneville Wiring Pages
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