Wiring Diagram Component Locations
When trying to locate a component in a wiring diagram and you don't know the specific system where it is located, use this handy component locator to find the system wiring diagram in which the component is located. Then, go to that system and locate the component within the wiring diagram.
For example, if you don't know the specific system in which the ignition switch is located, look up ignition switch in the wiring diagram component location table below and go to the appropriate wiring diagram(s) which contain either full or partial views of the ignition switch. The full view of the ignition switch is located in Power Distribution Wiring Diagram.
Typically, the first listing for the component will be the full or most complete view of the component. Additional listings will be partial views of the component. Not all components are used on all models.
All components will have a partial view in Ground Distribution and Power Distribution. Computer Data Lines diagram show connecting circuits between modules. Alternate names for components may be listed in wiring diagram component locations tables.
WIRING DIAGRAM COMPONENT LOCATIONS
| Component | Wiring Diagram |
|---|---|
| ABS Electronic Control Unit | Anti-Lock Brakes; Computer Data Lines |
| ABS Hydraulic Unit | Anti-Lock Brakes |
| Acceleration Sensor | Anti-Lock Brakes |
| Accessory Delay Relay | Power Windows |
| A/C Compressor Clutch Relay | Engine Performance; Air Conditioning |
| A/C Sensor | Engine Performance; Air Conditioning |
| A/C Pressure Switch | Engine Performance; Air Conditioning |
| Adaptive Lamp Control Module | Exterior Lights |
| Air Bag(s) | Supplemental Restraints/Restraints |
| Air Bag Module | Supplemental Restraints/Restraints |
| Air Bag Sensor(s) | Supplemental Restraints/Restraints |
| Air Injection Pump Relay | Engine Performance |
| Air Temperature Sensor | Overhead Console |
| Alternator (Generator) | Starting/Charging |
| Anti-Theft Control Module | Anti-Theft System; Starters |
| Autolamp Control Relay | Headlights; Daytime Running Lights |
| Automatic Shutdown (ASD) Relay | Engine Performance; Starting/Charging |
| Autostick Switch | Engine Performance |
| Auxiliary Battery Relay | Generators & Regulators |
| Back-Up Lights | Back-Up Lights; Exterior Lights |
| Barometric (BARO) Pressure Sensor | Engine Performance |
| Battery | Power Distribution |
| Battery Temperature Sensor | Engine Performance |
| Body Control Module | Body Control Computer; Anti-Theft System; Daytime Running Lights; Engine Performance; Headlight Systems; Warning Systems |
| Boost Control Solenoid | Engine Performance |
| Boost Sensor | Engine Performance |
| Brake Fluid Level Switch | Analog Instrument Panels |
| Brake On/Off (BOO) Switch | Cruise Control Systems; Engine Performance; Shift Interlock Systems |
| Buzzer Module | Warning Systems |
| Camshaft Position (CMP) Sensor | Engine Performance |
| Central Control Module | Anti-Theft System |
| Clockspring | Air Bag Restraint System; Cruise Control Systems; Steering Column Switches |
| Clutch Pedal Position Switch | Starting/Charging |
| Clutch Start Switch | Starting/Charging |
| Combination Meter | Instrument Cluster |
| Constant Control Relay Module (CCRM) | Engine Performance; Cooling Fans |
| Convenience Center | Power Distribution; Interior Lights |
| Crankshaft Position (CKP) Sensor | Engine Performance |
| Cruise Control Module | Cruise Control |
| Cruise Control Switch | Cruise Control |
| Condenser Fan Relay(s) | Cooling Fans |
| Data Link Connector (DLC) | Engine Performance |
| Daytime Running Lights Module | Daytime Running Lights; Exterior Lights; Headlights |
| Defogger Relay | Rear Window Defogger |
| Diagnostic Energy Reserve Module (DERM) | Air Bag Restraint System; Restraints; Supplemental Restraints |
| Discriminating Sensor (Air Bag) | Air Bag Restraint System; Restraints; Supplemental Restraints |
| Distributor | Engine Performance |
| Door Lock Actuators | Power Door Locks; Remote Keyless Entry |
| Door Lock Relay(s) | Power Door Locks |
| Electrochromic Mirror | Power Mirrors |
| Electronic Level Control (ELC) Height Sensor | Electronic Suspension |
| Electronic Level Control (ELC) Module | Electronic Suspension |
| Engine Coolant Temperature (ECT) Sending Unit | Engine Performance; Instrument Cluster |
| Engine Coolant Temperature (ECT) Sensor | Engine Performance |
| Engine Control Module | Engine Performance; Starting/Charging |
| ETACS ECU | Warning Systems; Power Windows; Remote Keyless Entry |
| Evaporative (EVAP) Emissions Canister | Engine Performance |
| EVAP Canister Purge Solenoid | Engine Performance |
| EVAP Canister Vent Solenoid | Engine Performance |
| Exhaust Gas Recirculation (EGR) Valve | Engine Performance |
| Fuel Tank Vacuum Sensor | Engine Performance |
| Fog Lights | Headlights; Daytime Running Lights |
| Fog Light Relay | Headlight; Daytime Running Lights |
| Fuel Gauge Sending Unit | Instrument Cluster |
| Fuel Injectors | Engine Performance |
| Fuel Pump | Engine Performance |
| Fuel Pump Relay | Engine Performance; Power Distribution |
| Fuse/Relay Block | Power Distribution |
| Fusible Links | Power Distribution; Starting/Charging |
| Generator | Starting/Charging; Engine Performance; Power Distribution |
| Generic Electronic Module (GEM) | Body Control Modules; Electronic Suspension |
| Glow Plug Relay | Engine Performance |
| Glow Plugs | Engine Performance |
| Grounds | Ground Distribution |
| Headlight Relay | Headlights; Daytime Running Lights |
| Headlights | Headlights; Daytime Running Lights |
| Heated Oxygen Sensor(s) (HO2S) | Engine Performance |
| Heated Windshield Control Module | Heated Windshields |
| Height Sensor | Electronic Suspension |
| Horns | Steering Column Switches; Horn |
| Horn Relay | Steering Column Switches; Horn |
| Idle Air Control (IAC) Motor/Valve | Engine Performance |
| Ignition Coil(s) | Engine Performance |
| Ignition Key Lock Cylinder | Anti-Theft System |
| Ignition Module | Engine Performance |
| Ignition Switch | Power Distribution; Engine Performance; Starting/Charging |
| Illuminated Entry Module | Interior Lights |
| Illumination Lights | Interior Lights |
| Impact Sensor | Air Bag Restraint System; Supplemental Restraints |
| Inertia Fuel Shutoff Switch | Engine Performance |
| Inhibit Relay | Starting/Charging |
| Instrument Cluster | Instrument Cluster |
| Intake Air Temperature (IAT) Sensor | Engine Performance |
| Interior Lights | Illumination/Interior Lights |
| Interlock Switch | Starters |
| Junction Block | Power Distribution |
| Keyless Entry Receiver | Remote Keyless Entry |
| Key Reminder Switch | Starting/Charging |
| Knock Sensor | Engine Performance |
| Lamp Control Module | Exterior Lights |
| License Plate Lamp | Exterior Lights |
| Lighting Control Module | Lighting Control Modules; Anti-Theft System; Daytime Running Lights; Headlights |
| Malfunction Indicator Light (MIL) | Engine Performance; Instrument Cluster |
| Manifold Absolute Pressure (MAP) Sensor | Engine Performance |
| Mass Airflow (MAF) Sensor | Engine Performance |
| Mega Fuse | Starting/Charging; Power Distribution |
| Memory Seat/Mirror Module | Memory Systems |
| Mirror Defogger | Rear Window Defogger |
| Multi-Function Control Module | Warning Systems |
| Neutral Safety Switch | Starting/Charging |
| Oil Level Switch | Engine Performance |
| Oil Pressure Switch/Sending Unit | Instrument Cluster; Engine Performance |
| Overhead Console | Overhead Console |
| Oxygen Sensor(s) (O2S) | Engine Performance |
| Parking Brake Switch | Instrument Cluster |
| Park Lights | Exterior Lights |
| Park/Neutral Position Switch | Starting/Charging; Engine Performance; Anti-Theft System; Body Control Module |
| Perimeter Lighting Control Relay | Exterior Lights |
| Power Amplifier | Power Antennas |
| Power Antenna Module | Power Antennas |
| Power Antenna Motor | Power Antennas |
| Power Distribution Center | Power Distribution; Starting/Charging |
| Power Door Lock Motors | Power Door Locks |
| Power Mirror Motors | Power Mirrors; Memory Systems |
| Power Sliding Door Controller | Power Sliding Side Door |
| Power Seat Motors | Power Seats; Memory Systems |
| Power Steering Pressure Switch | Engine Performance |
| Powertrain Control Module | Engine Performance; Instrument Cluster; Cruise Control; Computer Data Lines; Starting/Charging |
| Power Window Motors | Power Windows |
| Power Window Relay(s) | Power Windows |
| Radiator Fan Motor(s) | Cooling Fans |
| Radiator Fan Relay(s) | Engine Performance; Cooling Fans; |
| Rainsense Module | Wiper/Washer |
| Remote Anti-Theft Personality (RAP) Module | Anti-Theft System; Starting/Charging; Warning Systems |
| Seat Belt Pretensioners | Supplemental Restraints |
| Seat Belt Retractor Solenoid | Passive Restraints; Supplemental Restraints |
| Seat Belt Switch | Passive Restraints; Supplemental Restraints |
| Shift Interlock Solenoid | Shift Interlock |
| Shift Lock Actuator | Shift Interlock |
| Side Marker Lights | Exterior Lights |
| SIR Coil Assembly (Clockspring) | Supplemental Restraints |
| Slip Ring (Clockspring) | Steering Column Switches; Supplemental Restraints |
| SRS Control Module | Supplemental Restraints |
| Starter Motor | Starting/Charging |
| Starter Interrupt Relay | Starting/Charging |
| Starter Solenoid | Starting/Charging |
| Starter Relay | Starting/Charging |
| Steering Wheel Position Sensor | Anti-Lock Brakes |
| Stoplights | Exterior Lights |
| Stoplight Switch | Engine Performance; Cruise Control Systems; Anti-Lock Brakes |
| Taillights | Exterior Lights |
| Throttle Position (TP) Sensor | Engine Performance |
| Torque Converter Clutch Solenoid/Switch | Engine Performance |
| Traction Control Switch | Anti-Lock Brakes |
| Trailer Tow Connector | Exterior Lights |
| Trailer Tow Relay | Exterior Lights |
| Transmission/Transaxle | Engine Performance |
| Transmission Control Module (TCM) | Engine Performance; Starting/Charging; Transmission |
| Transmission Range Sensor | Starting/Charging; Exterior Lights; Engine Performance; Transmission |
| Transmission Range Switch | Exterior Lights; Engine Performance; Anti-Theft System; Transmission |
| Turn Signal Flasher | Exterior Lights |
| Turn Signal Lights | Exterior Lights |
| Twilight Sentinel Switch | Headlight Systems; Daytime Running Lights |
| Vapor Canister Leak Detection Pump | Engine Performance |
| Vehicle Control Module (VCM) | Engine Performance |
| Vehicle Dynamic Module | Electronic Suspension |
| Vehicle Speed Control Servo | Cruise Control |
| Vehicle Speed Sensor | Data Link Connectors; Analog Instrument Panels; Cruise Control Systems; Electronic Suspension |
| Voltage Regulator | Starting/Charging; Generators & Regulators |
| Water-In-Fuel Sensor | Engine Performance; Instrument Cluster |
| Wheel Speed Sensors | Anti-Lock Brakes |
| Windshield Intermittent Wiper Relay | Wiper/Washer |
| Windshield Washer Motor | Wiper/Washer |
| Wiper Motor | Wiper/Washer |