Wiring Diagram Cluster

1987 Pontiac Bonneville Alternator Wiring Diagram

Find charging-system schematics including alternator field/control wiring, battery feeds, and fuse/relay paths.

Matched Diagrams

48

Variant Used

Bonneville V6-231 3.8L

Total Vehicle Diagrams

407

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.

Keep context

Vehicle Repair Hub

Step out of raw diagrams and into the full 1987 Pontiac Bonneville hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub β†’

Likely fix path

Exact Repair Guides

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

Alternator Replacement β†’

Diagnostic signal

Codes Often Seen With This System

Use the code cluster when wiring faults overlap with check-engine or module-level diagnostics.

P0563: System Voltage High β†’

Top Alternator Diagram Paths

1.Charging System > Alternator β€” Diagram Information and InstructionsStarting and ChargingOpen2.Charging System > Alternator β€” Electrical DiagramsStarting and ChargingOpen3.Electrical Diagrams > Starting and Charging > Charging System > AlternatorGeneralOpen4.Charging System β€” Diagram Information and InstructionsStarting and ChargingOpen5.Charging System β€” Electrical DiagramsStarting and ChargingOpen6.Electrical Diagrams > Starting and Charging > Charging System > System DiagramGeneralOpen7.Electrical Diagrams > Starting and Charging > System DiagramGeneralOpen8.Electrical Diagrams > Starting and Charging > Battery > Battery CableGeneralOpen9.Electrical Diagrams > Starting and Charging > Battery > System DiagramGeneralOpen10.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Circuit Breaker > Circuit Breaker 24GeneralOpen11.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Circuit Breaker > Circuit Breakers 23, Fuses 19 & 20GeneralOpen12.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > Circuit Breakers 23, Fuses 19 & 20GeneralOpen13.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > Fuse 10GeneralOpen14.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > Fuse 13 & 14GeneralOpen15.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > Fuse 15 > Part 1 of 2GeneralOpen16.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > Fuse 15 > Part 2 of 2GeneralOpen17.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > Fuse 16GeneralOpen18.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > Fuse 17 & 18GeneralOpen19.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > Fuse 3, 4, 11 & 12GeneralOpen20.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > Fuse 6 Less Electronic Level ControlGeneralOpen21.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > Fuse 6 W/Electronic Level ControlGeneralOpen22.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > Fuse 7GeneralOpen23.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > Fuse 9 & 25GeneralOpen24.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > System Diagram > Ground Distribution > G100 & G402 > Part 1 of 2GeneralOpen25.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > System Diagram > Ground Distribution > G100 & G402 > Part 2 of 2GeneralOpen26.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > System Diagram > Ground Distribution > G100 > Part 1 of 5GeneralOpen27.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > System Diagram > Ground Distribution > G100 > Part 2 of 5GeneralOpen28.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > System Diagram > Ground Distribution > G100 > Part 3 of 5GeneralOpen29.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > System Diagram > Ground Distribution > G100 > Part 4 of 5GeneralOpen30.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > System Diagram > Ground Distribution > G100 > Part 5 of 5GeneralOpen31.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > System Diagram > Ground Distribution > G101 > Part 1 of 2GeneralOpen32.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > System Diagram > Ground Distribution > G101 > Part 2 of 2GeneralOpen33.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > System Diagram > Ground Distribution > G104GeneralOpen34.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > System Diagram > Power Distribution Wiring Circuit > Part 1 of 3GeneralOpen35.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > System Diagram > Power Distribution Wiring Circuit > Part 2 of 3GeneralOpen36.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > System Diagram > Power Distribution Wiring Circuit > Part 3 of 3GeneralOpen37.Electrical Diagrams > Starting and Charging > Starting System > Neutral Safety SwitchGeneralOpen38.Electrical Diagrams > Starting and Charging > Starting System > Starter MotorGeneralOpen39.Electrical Diagrams > Starting and Charging > Starting System > Starter SolenoidGeneralOpen40.Electrical Diagrams > Starting and Charging > Starting System > System DiagramGeneralOpen41.Battery β€” Diagram Information and InstructionsStarting and ChargingOpen42.Battery β€” Electrical DiagramsStarting and ChargingOpen43.Diagram Information and InstructionsStarting and ChargingOpen44.Electrical DiagramsStarting and ChargingOpen45.Power and Ground Distribution β€” Diagram Information and InstructionsStarting and ChargingOpen46.Power and Ground Distribution β€” Electrical Diagrams > Ground Distribution > G100 & G402 > Part 1 of 2Starting and ChargingOpen47.Power and Ground Distribution β€” Electrical Diagrams > Ground Distribution > G100 & G402 > Part 2 of 2Starting and ChargingOpen48.Power and Ground Distribution β€” Electrical Diagrams > Ground Distribution > G100 > Part 1 of 5Starting and ChargingOpen