Wiring Diagram Cluster
1991 Pontiac Grand AM Instrument Cluster Wiring Diagram
Find instrument panel wiring, gauge sender circuits, warning light paths, and speedometer/tachometer schematics.
Matched Diagrams
37
Variant Used
Grand AM L4-138 2.3L DOHC QUAD 4
Total Vehicle Diagrams
521
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 Grand AM 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, Gauges and Warning Indicators > System Diagram > With Electronic Cluster > Part 1 of 6GeneralOpen2.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > With Electronic Cluster > Part 2 of 6GeneralOpen3.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > With Electronic Cluster > Part 3 of 6GeneralOpen4.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > With Electronic Cluster > Part 4 of 6GeneralOpen5.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > With Electronic Cluster > Part 5 of 6GeneralOpen6.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > With Electronic Cluster > Part 6 of 6GeneralOpen7.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > With Standard Cluster > Part 1 of 5GeneralOpen8.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > With Standard Cluster > Part 2 of 5GeneralOpen9.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > With Standard Cluster > Part 3 of 5GeneralOpen10.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > With Standard Cluster > Part 4 of 5GeneralOpen11.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > With Standard Cluster > Part 5 of 5GeneralOpen12.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > Cigarette LighterGeneralOpen13.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > Driver/Vehicle Information DisplayGeneralOpen14.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > Malfunction Indicator LampGeneralOpen15.Electrical Diagrams > With Electronic Cluster > Part 1 of 6Instrument Panel, Gauges and Warning IndicatorsOpen16.Electrical Diagrams > With Electronic Cluster > Part 2 of 6Instrument Panel, Gauges and Warning IndicatorsOpen17.Electrical Diagrams > With Electronic Cluster > Part 3 of 6Instrument Panel, Gauges and Warning IndicatorsOpen18.Electrical Diagrams > With Electronic Cluster > Part 4 of 6Instrument Panel, Gauges and Warning IndicatorsOpen19.Electrical Diagrams > With Electronic Cluster > Part 5 of 6Instrument Panel, Gauges and Warning IndicatorsOpen20.Electrical Diagrams > With Electronic Cluster > Part 6 of 6Instrument Panel, Gauges and Warning IndicatorsOpen21.Electrical Diagrams > With Standard Cluster > Part 1 of 5Instrument Panel, Gauges and Warning IndicatorsOpen22.Electrical Diagrams > With Standard Cluster > Part 2 of 5Instrument Panel, Gauges and Warning IndicatorsOpen23.Electrical Diagrams > With Standard Cluster > Part 3 of 5Instrument Panel, Gauges and Warning IndicatorsOpen24.Electrical Diagrams > With Standard Cluster > Part 4 of 5Instrument Panel, Gauges and Warning IndicatorsOpen25.Electrical Diagrams > With Standard Cluster > Part 5 of 5Instrument Panel, Gauges and Warning IndicatorsOpen26.Diagnostic Aids > Pull-to-Seat ConnectorsInstrument Panel, Gauges and Warning IndicatorsOpen27.Diagnostic Aids > Push-to-Seat ConnectorsInstrument Panel, Gauges and Warning IndicatorsOpen28.Diagram Information and Instructions > Cell ReferencesInstrument Panel, Gauges and Warning IndicatorsOpen29.Diagram Information and Instructions > Schematic SymbolsInstrument Panel, Gauges and Warning IndicatorsOpen30.Diagram Information and Instructions > Wire Color Code IdentificationInstrument Panel, Gauges and Warning IndicatorsOpen31.Components > Miscellaneous Components > Tachometer FilterGeneralOpen32.Electrical Diagrams > Brake Warning Indicator > Less Anti-Lock BrakesGeneralOpen33.Electrical Diagrams > Brake Warning Indicator > With Anti-Lock BrakesGeneralOpen34.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > Turn Flasher, Back-Up Lamps, Gauges & ECM RelayGeneralOpen35.Exploded Views > Doors > Front Door > Front Door PanelGeneralOpen36.Exploded Views > Trim Panel > Center PillarGeneralOpen37.Exploded Views > Trim Panel > Front DoorsGeneralOpen
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 Grand AM Wiring Pages
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Same System, Other Vehicles
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