Wiring Diagram Cluster

1994 Pontiac Grand Prix Body Electrical Wiring Diagram

Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.

Matched Diagrams

48

Variant Used

Grand Prix V6-204 3.4L DOHC

Total Vehicle Diagrams

2209

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 1994 Pontiac Grand Prix hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub β†’

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 β†’

Diagnostic signal

Codes Often Seen With This System

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

B1318: Battery Voltage Low β†’

Top Body Electrical Diagram Paths

1.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights > Cigar, I/P Ctsy, Vanity Mirror, Door Ctsy, I/P COMP & Trunk LTGeneralOpen2.Electrical Diagrams > Interior Lights > Cigar, I/P Ctsy, Vanity Mirror, Door Ctsy, I/P COMP & Trunk LTLighting and HornsOpen3.Locks > Keyless Entry β€” Diagram Information and Instructions > Body Part NamesBody and FrameOpen4.Antitheft and Alarm Systems > Keyless Entry β€” Diagram Information and Instructions > Body Part NamesAccessories and Optional EquipmentOpen5.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights > DM LT, FRT Header Ctsy/Reading LTS & DM/Reading LTS > With SunroofGeneralOpen6.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights > DM LT, FRT Header Ctsy/Reading LTS & DM/Reading LTS > Without SunroofGeneralOpen7.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights DimmingGeneralOpen8.Daytime Running Lamp β€” Diagram Information and Instructions > Body Part NamesLighting and HornsOpen9.Diagram Information and Instructions > Body Part NamesLighting and HornsOpen10.Doors, Hood and Trunk > Doors β€” Cross Car Harness to LH Front Door HarnessBody and FrameOpen11.Doors, Hood and Trunk > Doors β€” Cross Car Harness to LH Rear Door HarnessBody and FrameOpen12.Doors, Hood and Trunk > Doors β€” Cross Car Harness to RH Front Door HarnessBody and FrameOpen13.Doors, Hood and Trunk > Doors β€” Cross Car Harness to RH Rear Door HarnessBody and FrameOpen14.Electrical Diagrams > Interior Lights > DM LT, FRT Header Ctsy/Reading LTS & DM/Reading LTS > With SunroofLighting and HornsOpen15.Electrical Diagrams > Interior Lights > DM LT, FRT Header Ctsy/Reading LTS & DM/Reading LTS > Without SunroofLighting and HornsOpen16.Electrical Diagrams > Interior Lights DimmingLighting and HornsOpen17.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Additional InformationBody and FrameOpen18.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Basic Knowledge RequiredBody and FrameOpen19.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Checking Terminal ContactsBody and FrameOpen20.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Detecting Electrical IntermittentsBody and FrameOpen21.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Intermittents and Poor ConnectionsBody and FrameOpen22.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Meter ConnectionsBody and FrameOpen23.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Troubleshooting Tests > Aftermarket AccessoriesBody and FrameOpen24.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Troubleshooting Tests > Probing (Frontprobe & Backprobe)Body and FrameOpen25.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Troubleshooting Tests > Testing For ContinuityBody and FrameOpen26.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Troubleshooting Tests > Testing For Short to GroundBody and FrameOpen27.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Troubleshooting Tests > Testing For VoltageBody and FrameOpen28.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Troubleshooting Tests > Testing For Voltage DropBody and FrameOpen29.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Troubleshooting Tools > Connector Test AdaptersBody and FrameOpen30.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Troubleshooting Tools > Fuse TesterBody and FrameOpen31.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Troubleshooting Tools > Fused Jumper WireBody and FrameOpen32.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Troubleshooting Tools > OhmmeterBody and FrameOpen33.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Troubleshooting Tools > Self-Powered Test LightBody and FrameOpen34.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Troubleshooting Tools > Short FinderBody and FrameOpen35.Locks > Keyless Entry β€” Diagnostic Aids > General Troubleshooting Procedures > Troubleshooting Tools > Test Light/Digital VoltmeterBody and FrameOpen36.Locks > Keyless Entry β€” Diagnostic Aids > Special ToolsBody and FrameOpen37.Locks > Keyless Entry β€” Diagnostic Aids > Wire Repair Procedures > Circuit Protection Devices > Circuit BreakersBody and FrameOpen38.Locks > Keyless Entry β€” Diagnostic Aids > Wire Repair Procedures > Circuit Protection Devices > FusesBody and FrameOpen39.Locks > Keyless Entry β€” Diagnostic Aids > Wire Repair Procedures > Circuit Protection Devices > Fusible LinksBody and FrameOpen40.Locks > Keyless Entry β€” Diagnostic Aids > Wire Repair Procedures > Circuit Protection Devices > General InformationBody and FrameOpen41.Locks > Keyless Entry β€” Diagnostic Aids > Wire Repair Procedures > Typical Electrical Repair Procedures > Diode ReplacementBody and FrameOpen42.Locks > Keyless Entry β€” Diagnostic Aids > Wire Repair Procedures > Typical Electrical Repair Procedures > General InformationBody and FrameOpen43.Locks > Keyless Entry β€” Diagnostic Aids > Wire Repair Procedures > Typical Electrical Repair Procedures > Heated Oxygen Sensor (O2S) RepairBody and FrameOpen44.Locks > Keyless Entry β€” Diagnostic Aids > Wire Repair Procedures > Typical Electrical Repair Procedures > Repairing Connectors > General InformationBody and FrameOpen45.Locks > Keyless Entry β€” Diagnostic Aids > Wire Repair Procedures > Typical Electrical Repair Procedures > Repairing Connectors > Push-to-Seat and Pull-to-Seat ConnectorsBody and FrameOpen46.Locks > Keyless Entry β€” Diagnostic Aids > Wire Repair Procedures > Typical Electrical Repair Procedures > Repairing Connectors > Weather Pack(R) ConnectorsBody and FrameOpen47.Locks > Keyless Entry β€” Diagnostic Aids > Wire Repair Procedures > Typical Electrical Repair Procedures > Repairing Short Circuits Caused By Damaged WireBody and FrameOpen48.Locks > Keyless Entry β€” Diagnostic Aids > Wire Repair Procedures > Typical Electrical Repair Procedures > Splicing Copper Wire Using Crimp and Seal Splice SleevesBody and FrameOpen