Wiring Diagram Cluster

1999 Cadillac DeVille Body Electrical Wiring Diagram

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

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Matched Diagrams

48

Variant Used

DeVille Concours V8-4.6L VIN 9

Total Vehicle Diagrams

4054

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1999 Cadillac DeVille A L L Diagnostic Trouble Codes ( DTC )

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.

1999 Cadillac DeVille A L L Diagnostic Trouble Codes ( DTC ) →
1999 Cadillac DeVille A L L Diagnostic Trouble Codes ( DTC )1999 Cadillac DeVille A L L Diagnostic Trouble Codes ( DTC )1999 Cadillac DeVille A L L Diagnostic Trouble Codes ( DTC )

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 →
U0140: Lost Communication with Body Control Module

Top Body Electrical Diagram Paths

1.Horn — Diagnostic Aids > Wiring Repairs > SIR Connector (Plastic Body and Terminal Metal Pin) RepairLighting and HornsOpen2.Locks > Keyless Entry — Diagnostic Aids > Wiring Repairs > SIR Connector (Plastic Body and Terminal Metal Pin) RepairBody and FrameOpen3.Antitheft and Alarm Systems > Keyless Entry — Diagnostic Aids > Wiring Repairs > SIR Connector (Plastic Body and Terminal Metal Pin) RepairAccessories and Optional EquipmentOpen4.Electrical Diagrams > Body and Frame > Locks > Keyless EntryGeneralOpen5.Electrical Diagrams > Body and Frame > Locks > System Diagram > Door Lock Cylinder (Deville, Eldorado)GeneralOpen6.Electrical Diagrams > Body and Frame > Locks > System Diagram > Left Power Door Lock Switches (Deville With V4U)GeneralOpen7.Electrical Diagrams > Body and Frame > Locks > System Diagram > Power Door Locks (Eldorado)GeneralOpen8.Electrical Diagrams > Body and Frame > Locks > System Diagram > Right Power Door Lock Switches (Deville With V4U)GeneralOpen9.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights > Interior Lights Dimming Schematics > Console BacklightingGeneralOpen10.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights > Interior Lights Dimming Schematics > Front Door BacklightingGeneralOpen11.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights > Interior Lights Dimming Schematics > Headlamps SwitchGeneralOpen12.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights > Interior Lights Dimming Schematics > Instrument Panel BacklightingGeneralOpen13.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights > Interior Lights Dimming Schematics > PWR, GND And Ambient Light SensorGeneralOpen14.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights > Interior Lights Dimming Schematics > Rear Door Backlighting - DevilleGeneralOpen15.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights > Interior Lights Schematics > Courtesy/Reading LampsGeneralOpen16.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights > Interior Lights Schematics > Courtesy/Reading Lamps (w/YP7 Or YP8)GeneralOpen17.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights > Interior Lights Schematics > Door Courtesy, IP Compartment And Rear Compartment LampsGeneralOpen18.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights > Interior Lights Schematics > InputsGeneralOpen19.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights > Interior Lights Schematics > Vanity MirrorsGeneralOpen20.Daytime Running Lamp — Diagnostic Aids > Wiring Repairs > SIR Connector (Plastic Body and Terminal Metal Pin) RepairLighting and HornsOpen21.Diagnostic Aids > Wiring Repairs > SIR Connector (Plastic Body and Terminal Metal Pin) RepairBody and FrameOpen22.Diagnostic Aids > Wiring Repairs > SIR Connector (Plastic Body and Terminal Metal Pin) RepairLighting and HornsOpen23.Electrical Diagrams > Interior Lights > Interior Lights Dimming Schematics > Console BacklightingLighting and HornsOpen24.Electrical Diagrams > Interior Lights > Interior Lights Dimming Schematics > Front Door BacklightingLighting and HornsOpen25.Electrical Diagrams > Interior Lights > Interior Lights Dimming Schematics > Headlamps SwitchLighting and HornsOpen26.Electrical Diagrams > Interior Lights > Interior Lights Dimming Schematics > Instrument Panel BacklightingLighting and HornsOpen27.Electrical Diagrams > Interior Lights > Interior Lights Dimming Schematics > PWR, GND And Ambient Light SensorLighting and HornsOpen28.Electrical Diagrams > Interior Lights > Interior Lights Dimming Schematics > Rear Door Backlighting - DevilleLighting and HornsOpen29.Electrical Diagrams > Interior Lights > Interior Lights Schematics > Courtesy/Reading LampsLighting and HornsOpen30.Electrical Diagrams > Interior Lights > Interior Lights Schematics > Courtesy/Reading Lamps (w/YP7 Or YP8)Lighting and HornsOpen31.Electrical Diagrams > Interior Lights > Interior Lights Schematics > Door Courtesy, IP Compartment And Rear Compartment LampsLighting and HornsOpen32.Electrical Diagrams > Interior Lights > Interior Lights Schematics > InputsLighting and HornsOpen33.Electrical Diagrams > Interior Lights > Interior Lights Schematics > Vanity MirrorsLighting and HornsOpen34.Headlamp — Diagnostic Aids > Wiring Repairs > SIR Connector (Plastic Body and Terminal Metal Pin) RepairLighting and HornsOpen35.Horn — Connector ViewsLighting and HornsOpen36.Horn — Diagnostic Aids > Connector Repairs > Connector Position Assurance LocksLighting and HornsOpen37.Horn — Diagnostic Aids > Connector Repairs > Pull to Seat ConnectorLighting and HornsOpen38.Horn — Diagnostic Aids > Connector Repairs > Push to Seat ConnectorsLighting and HornsOpen39.Horn — Diagnostic Aids > Connector Repairs > Repairing Connector TerminalsLighting and HornsOpen40.Horn — Diagnostic Aids > Connector Repairs > Terminal Position Assurance LocksLighting and HornsOpen41.Horn — Diagnostic Aids > Connector Repairs > Weather Pack ConnectorsLighting and HornsOpen42.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Basic Knowledge RequiredLighting and HornsOpen43.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Checking Aftermarket AccessoriesLighting and HornsOpen44.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Intermittents and Poor Connections DiagnosisLighting and HornsOpen45.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Symptom Diagnostic ExampleLighting and HornsOpen46.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Troubleshooting Tests > Measuring VoltageLighting and HornsOpen47.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Troubleshooting Tests > Measuring Voltage DropLighting and HornsOpen48.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Troubleshooting Tests > Testing For ContinuityLighting and HornsOpen

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OEM Manual Evidence

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1999 Cadillac DeVille A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1999 Cadillac DeVille Concours V8-4.6L VIN 9 Service Manual | Operation CHARM Operation CHARM : Ca...

1999 Cadillac DeVille A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1999 Cadillac DeVille d Elegance V8-4.6L VIN Y Service Manual | Operation CHARM Operation CHARM :...

1999 Cadillac DeVille A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1999 Cadillac DeVille V8-4.6L VIN Y Service Manual | Operation CHARM Operation CHARM : Car repair...

1999 Cadillac DeVille A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1999 Cadillac Catera V6-3.0L VIN R Service Manual | Operation CHARM Operation CHARM : Car repair m...

Likely Trouble Codes for This System

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B1318: Battery Voltage LowCode

Body/Electrical code commonly seen during body electrical diagnosis.

U0140: Lost Communication with Body Control ModuleCode

Network/Communication code commonly seen during body electrical diagnosis.

More DeVille Wiring Pages

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