COMPONENT LOCATIONS 2.2L (VIN 4) "S" SERIES
| Component | Location | |
|---|---|---|
| A/C Compressor Clutch Relay | In Underhood Fuse/Relay Block | |
| A/C Refrigerant Pressure Sensor | On A/C Evaporator Tube | |
| Body Control Module (BCM) | Below Right Side Of Instrument Panel, On Heater | |
| Camshaft Position (CMP) Sensor | Right Side Of Engine, Forward Of Coil Packs | |
| Crankshaft Position (CKP) Sensor | Right Side Of Engine, Below Coil Packs | |
| Cruise Control Module | Left Rear Of Engine Compartment, On Cowl | |
| Data Link Connector (DLC) | Lower Left Side Of Instrument Panel | |
| Engine Coolant Temperature (ECT) Sensor | Front Of Engine, In Coolant Piping | |
| EVAP Canister Purge Solenoid | Right Side Of Engine, Above Coil Packs | |
| EVAP Canister Vent Solenoid | Crossmember Area Of Fuel Tank | |
| Fuel Injectors | On Lower Manifold Assembly | |
| Fuel Pump Relay | In Underhood Fuse/Relay Block | |
| Fuel Tank Pressure Sensor | Top Of Fuel Tank | |
| Idle Air Control (IAC) Valve | Top Of Engine, On Throttle Body | |
| Ignition Control Module | Right Rear Of Engine, Near Grounding Strap | |
| Intake Air Temperature (IAT) Sensor | Left Front Of Engine Compartment, On Air Intake Duct | |
| Knock Sensor | Lower Right Of Engine, Below Coil Packs | |
| Manifold Absolute Pressure (MAP) Sensor | Top Right Side Of Engine, On Intake Manifold | |
| Oxygen Sensor (O2S) | ||
| Pre-Converter | In Left Exhaust Manifold | |
| Post-Converter (Heated) | Rear Of Catalytic Converter | |
| Powertrain Control Module (PCM) | Right Side Of Engine Compartment | |
| Throttle Position (TP) Sensor | Top Of Engine, Forward of Throttle Body | |
| Underhood Fuse/Relay Block | On Top Of Left Inner Wheelwell | |
| Vehicle Speed Sensor | ||
| A/T | Right Rear Of Transmission | |
| M/T | Left Rear Of Transmission | |
COMPONENT LOCATIONS 2.2L (VIN 4) "S" SERIES
COMPONENT LOCATIONS 3.4L (VIN E) "U" SERIES
| Component | Location | |
|---|---|---|
| A/C Refrigerant Pressure Sensor | Left Side Of Engine Compartment, Below Accumulator | |
| Body Control Module (BCM) | Below Right Side Of Instrument Panel, Right Of Glove Box | |
| Camshaft Position (CMP) Sensor | Right Side Of Engine, Above A/C Compressor Clutch | |
| Crankshaft Position (CKP) Sensor | ||
| 7X | Lower Rear Of Engine | |
| 24X | Right Side Of Engine, Behind Harmonic Balancer | |
| Cruise Control Module | In Engine Compartment, Near Left Strut Tower | |
| Data Link Connector (DLC) | Below Steering Column, At Bottom Of Knee Bolster | |
| EGR Valve | Top Left Side Of Engine | |
| Engine Coolant Temperature (ECT) Sensor | Top Left Side Of Engine | |
| Engine Oil Level Indicator Switch | Center Of Engine Oil Pan | |
| Engine Oil Pressure Indicator Switch | Front Of Engine, Above Starter | |
| EVAP Canister Purge Solenoid | Top Rear Of Engine, Below Ignition Control Module | |
| EVAP Canister Vent Solenoid | Below Center Of Vehicle, Forward Of Fuel Tank | |
| Fuel Injectors | In Intake Manifold | |
| Fuel Pump Prime Connector | One-Cavity Connector Branching Out Of Engine Wiring Harness, Near Battery | |
| Fuel Pump Relay | In Underhood Junction Block | |
| Heated Oxygen Sensors (HO2S) | ||
| Pre-Converter | In Exhaust Manifold | |
| Post-Converter | Rear Of Catalytic Converter | |
| Idle Air Control (IAC) Valve | Top Of Engine, Front Of Throttle Body | |
| Ignition Control Module | Top Center Rear Of Engine | |
| Intake Air Temperature (IAT) Sensor | On Air Intake Duct, Near Throttle Body | |
| Knock Sensor | Front Of Engine, Above Starter | |
| Manifold Absolute Pressure (MAP) Sensor | Right Top Of Engine | |
| Mass Airflow (MAF) Sensor | Left Front Of Engine Compartment, In Air Cleaner Duct | |
| Powertrain Control Module (PCM) | In Engine Compartment, Secured In Air Cleaner Assembly | |
| Throttle Position (TP) Sensor | Top Of Engine, On Throttle Assembly | |
| Underhood Junction Block | In Engine Compartment, At Front Of Right Wheelwell, Above Battery | |
| Vehicle Speed Sensor | Lower Right Rear Of Engine Compartment, Mounted To Right Side Of Transaxle | |
COMPONENT LOCATIONS 3.4L (VIN E) "U" SERIES
COMPONENT LOCATIONS 4.3L (VIN W) "G" SERIES
| Component | Location | |
|---|---|---|
| A/C Compressor Clutch Relay | In Underhood Fuse/Relay Block | |
| A/C High Pressure Cut-Off Switch | On Rear Of A/C Compressor | |
| A/C Low Pressure Cut-Out Switch | In Low Pressure Refrigerant Line | |
| Camshaft Position (CMP) Sensor | Part Of Distributor, Rear Top Of Engine | |
| Crankshaft Position (CKP) Sensor | Lower Front Of Engine, Near Crankshaft | |
| Cruise Control Module | Front Of Engine Compartment, Near Left Wheelwell | |
| Data Link Connector (DLC) | Under Left Side Of Instrument Panel | |
| EGR Valve | Top Front Of Engine | |
| Engine Coolant Temperature (ECT) Sensor | Left Side Of Engine | |
| Engine Oil Pressure Gauge Sensor | Top Rear Of Engine | |
| EVAP Canister Purge Solenoid | Right Side Of Engine | |
| EVAP Canister Vent Solenoid | Right Side Of Engine | |
| Fuel Injectors | On Intake Manifold | |
| Fuel Pump Relay | In Underhood Fuse/Relay Block | |
| Fuel Tank Pressure Sensor | In Fuel Tank | |
| Heated Oxygen Sensors (HO2S) | ||
| Bank 1, Sensor 1 | In Exhaust Pipe, In Front Of Catalytic Converter | |
| Bank 1, Sensor 3 | In Exhaust Pipe, In Rear Of Catalytic Converter | |
| Bank 2, Sensor 1 | In Exhaust Pipe, In Front Of Catalytic Converter | |
| Idle Air Control (IAC) Valve | Top Left Side Of Engine | |
| Ignition Coil | Top Right Of Engine | |
| Ignition Control Module | Top Right Side Of Engine | |
| Intake Air Temperature (IAT) Sensor | Front Of Engine Compartment, Part Of Air Intake Duct | |
| Knock Sensor | Top Rear Of Engine | |
| Manifold Absolute Pressure (MAP) Sensor | Top Right Side Of Engine | |
| Mass Airflow (MAF) Sensor | Front Top Of Engine, Part Of Air Intake Duct | |
| Throttle Position (TP) Sensor | Left Top Of Engine | |
| Underhood Fuse/Relay Block | Left Rear Of Engine Compartment, On Wheelwell | |
| Vehicle Control Module (VCM) | In Engine Compartment, Near Master Cylinder, At Left Front Wheelwell | |
| Vehicle Speed Sensor | Behind Left Side Of Instrument Panel, Near Steering Column | |
COMPONENT LOCATIONS 4.3L (VIN W) "G" SERIES
COMPONENT LOCATIONS 4.3L (VIN W) "L" & "M" SERIES
| Component | Location | |
|---|---|---|
| A/C Compressor Clutch Relay | In Underhood Fuse/Relay Block | |
| A/C High Pressure Cut-Off Switch | On Rear Of A/C Compressor | |
| A/C Low Pressure Cut-Out Switch | On Top Of A/C Receiver Dryer | |
| Camshaft Position (CMP) Sensor | Side of Distributor | |
| Crankshaft Position (CKP) Sensor | Behind & To Right Of Crankshaft Pulley | |
| Cruise Control Module | Center Of Dash, Left Of Windshield Wiper Module | |
| Data Link Connector (DLC) | Under Left Side Of Instrument Panel | |
| Distributor | To Rear Of Engine | |
| EGR Valve Solenoid | Top Of Engine, Left Of Generator | |
| Engine Coolant Temperature (ECT) Sensor | Side Of Linear EGR Valve Solenoid | |
| EVAP Canister Purge Solenoid | Top Of Engine, Near MAP Sensor | |
| EVAP Canister Vent Solenoid | At Undercarriage, Left Of EVAP Canister | |
| Fuel Injectors | On Intake Manifold, Under Manifold Cover | |
| Fuel Pump Relay | In Underhood Fuse/Relay Block | |
| Heated Oxygen Sensors (HO2S) | ||
| Bank 1, Sensor 1 | Left Front Exhaust Pipe | |
| Bank 1, Sensor 3 | Rear Of Catalytic Converter | |
| Bank 2, Sensor 1 | Right Front Exhaust Pipe | |
| Heater & A/C Control Module | Center Of Instrument Panel, At Heater Control | |
| Idle Air Control (IAC) Valve | Left Rear Of Throttle Body | |
| Ignition Coil | Top Of Engine, Behind Generator | |
| Ignition Control Module | Top Of Engine, In Front Of Coil | |
| Intake Air Temperature (IAT) Sensor | Top Of Air Intake Duct | |
| Knock Sensor | Left Rear Of Distributor, On Engine Block | |
| Manifold Absolute Pressure (MAP) Sensor | Top Of Engine, Near Ignition Coil | |
| Mass Airflow (MAF) Sensor | Front Of Air Intake Duct | |
| Oil Pressure Switch | Rear Of Engine, Left Of Distributor | |
| Throttle Position (TP) Sensor | On Left Side Of Throttle Body | |
| Underhood Fuse/Relay Block | Left Side Front Of Dash, Near Battery | |
| Vehicle Control Module (VCM) | At Left Side Of Engine Compartment, Near Battery | |
| Vehicle Speed Sensor | Rear Of Transmission | |
COMPONENT LOCATIONS 4.3L (VIN W) "L" & "M" SERIES
COMPONENT LOCATIONS 4.3L (VIN W) & 5.7L (VIN R) "P" SERIES
| Component | Location | |
|---|---|---|
| A/C Compressor High Pressure Cut-Off Switch | On Rear Of A/C Compressor | |
| A/C Compressor Refrigerant Pressure Switch | Located By Body Builder | |
| A/C Compressor Relay | In Engine Compartment, On Bulkhead, Under Battery Junction Block | |
| Camshaft Position (CMP) Sensor | In Distributor | |
| Crankshaft Position (CKP) Sensor | At Lower Right Front Of Engine, Near Harmonic Balancer | |
| Data Link Connector (DLC) | Lower Left Side Of Instrument Panel | |
| Distributor | At Top Rear Of Engine | |
| EGR Valve | At Top Front Left Of Intake Manifold | |
| Engine Coolant Temperature (ECT) Sensor | At Top Front Of Engine, Near Thermostat Housing | |
| EVAP Canister Purge Solenoid | At Right Center Of Intake Manifold | |
| EVAP Canister Vent Solenoid (CA Only) | Along Right Frame Rail, In Front Of Fuel Tank, Near EVAP Canister | |
| Fuel Control Relay | On Top Of Steering Column Support, Behind Steering Column | |
| Fuel Pump Module | At Top Center Of Fuel Tank | |
| Fuel Pump Prime Connector | Taped To Fuel Pump Relay Breakout | |
| Fuel Pump Relay | In Engine Compartment, On Bulkhead, Under Battery Junction Block | |
| Fuel Tank Pressure Sensor (4.3L CA Only) | At Fuel Tank | |
| Heated Oxygen Sensors (HO2S) | ||
| Bank 1, Sensor 1 | In Left Exhaust Pipe, Forward Of Catalytic Converter | |
| Bank 1, Sensor 3 | In Left Exhaust Pipe, Behind Catalytic Converter | |
| Bank 2, Sensor 1 | In Right Exhaust Pipe, Forward Of Catalytic Converter | |
| Bank 2, Sensor 2 (5.7L) | In Right Exhaust Pipe, Behind Catalytic Converter | |
| Idle Air Control (IAC) Valve | At Left Center Of Intake Manifold | |
| Ignition Coil | Mounted On Bracket, Above Top Edge Of Right Cylinder Head | |
| Ignition Control Module | Mounted On Bracket, Above Top Edge Of Right Cylinder Head | |
| Intake Air Temperature (IAT) Sensor | At Right Front Side, In Engine Air Induction System Elbow, Near Remote Air Cleaner | |
| Knock Sensor | ||
| 4.3L | At Rear Of Engine, Top Center | |
| 5.7L | At Lower Right Side Of Engine Block, In Front Of Starter | |
| Manifold Absolute Pressure (MAP) Sensor | Near Center Of Intake Manifold, Behind Air Intake | |
| Mass Airflow (MAF) Sensor | At Right Front Side, In Engine Air Induction System Elbow, Near Remote Air Cleaner | |
| Throttle Position (TP) Sensor | At Left Center Of Intake Manifold, Near IAC Valve | |
| Vehicle Control Module (VCM) | At Left Side Of Radiator Support | |
| Vehicle Speed Sensor (5.7L M/T) | At Left Side Of Transmission, Near Middle | |
COMPONENT LOCATIONS 4.3L (VIN W) & 5.7L (VIN R) "P" SERIES
COMPONENT LOCATIONS 4.3L (VIN W & X) "S" & "T" SERIES
| Component | Location | |
|---|---|---|
| A/C Compressor Clutch Relay | In Underhood Fuse/Relay Block | |
| A/C Compressor High Pressure Cut-Off Switch | On Rear Of A/C Compressor | |
| A/C Compressor Cycling Switch | On Accumulator | |
| Body Control Module (BCM) | Lower Rear Of Instrument Panel, On Heater | |
| Camshaft Position (CMP) Sensor | Rear Of Distributor | |
| Crankshaft Position (CKP) Sensor | Below Right Front Of Engine, Near Harmonic Balancer | |
| Cruise Control Module | Left Rear Of Engine Compartment, On Cowl | |
| Data Link Connector (DLC) | Lower Left Side Of Instrument Panel | |
| EGR Valve | Top Front Of Engine, Near Drive Belt | |
| Engine Coolant Temperature (ECT) Sensor | Left Side Of Engine, At Spark Plugs | |
| EVAP Canister Purge Solenoid | Top Right Center Of Engine, Near Fuel Injector Connector | |
| EVAP Canister Vent Solenoid | On Crossmember, Behind Fuel Tank | |
| Fuel Injector | Top Center Of Engine | |
| Fuel Pump Relay | In Underhood Fuse/Relay Block | |
| Fuel Tank Pressure Sensor | Top Of Fuel Tank | |
| Heated Oxygen Sensors (HO2S) | ||
| Bank 1, Sensor 1 | Left Rear Of Exhaust Pipe, Left Of Transmission | |
| Bank 1, Sensor 3 | Rear Of Catalytic Converter | |
| Bank 2, Sensor 1 | Right Rear Of Engine, In Exhaust Pipe | |
| Idle Air Control (IAC) Valve | Top Of Engine, On Throttle Body | |
| Ignition Coil | Top Right Of Engine | |
| Ignition Control Module | Top Right Side Of Engine | |
| Intake Air Temperature (IAT) Sensor | Left Front Of Engine Compartment, In Air Intake Duct | |
| Knock Sensor | Top Rear Of Engine, Above Transmission Bellhousing | |
| Manifold Absolute Pressure (MAP) Sensor | Top Center Of Engine | |
| Mass Airflow (MAF) Sensor | Left Front Of Engine Compartment, In Air Intake Duct | |
| Relay Block | Behind Left Side Of Instrument Panel, Right Of Fuse Block | |
| Throttle Position (TP) Sensor | Top Left Side Of Engine, On Throttle Body | |
| Underhood Fuse/Relay Block | In Left Side Of Engine Compartment, On Wheelwell | |
| Vehicle Control Module (VCM) | Right Side Of Engine Compartment | |
| Vehicle Speed Sensor | ||
| A/T With 2WD | Right Rear Of Transmission | |
| A/T With 4WD | Right Rear Of Transfer Case | |
| M/T With 2WD | Left Rear Of Transmission | |
COMPONENT LOCATIONS 4.3L (VIN W & X) "S" & "T" SERIES
COMPONENT LOCATIONS 4.8L (VIN V), 5.3L (VIN T) & 6.0L (VIN U) SIERRA & SILVERADO
| Component | Location | |
|---|---|---|
| A/C High Pressure Cut-Out Switch | On Rear Of A/C Compressor | |
| A/C Low Pressure Cut-Off Switch | On Right Side Of A/C Compressor | |
| Body Control Module (BCM) | On Lower Left Side Of Instrument Panel, Below Steering Column | |
| Camshaft Position (CMP) Sensor | Top Rear Center Of Engine | |
| Crankshaft Position (CKP) Sensor | Lower Right Rear Of Engine Block | |
| Cruise Control Module | Left Front Of Dash, In Engine Compartment | |
| Data Link Connector (DLC) | Under Left Side Of Instrument Panel | |
| EGR Valve | Top Right Front Of Engine | |
| Engine Coolant Level Switch | In Coolant Reservoir | |
| Engine Coolant Temperature (ECT) Sensor | Near Engine Block, Below Exhaust Manifold | |
| Engine Oil Level Switch | In Right Side Of Oil Pan | |
| EVAP Canister Purge Solenoid | On Top Right Rear Of Engine | |
| EVAP Canister Vent Solenoid | At Front Right Side Of Fuel Tank | |
| EVAP Canister Purge Vacuum Switch | Right Rear Top Of Engine, Right Of Purge Solenoid | |
| Fuel Injectors | On Intake Manifold | |
| Fuel Pump Level Sensor | In Fuel Tank | |
| Fuel Tank Pressure Sensor | In Fuel Tank | |
| Heated Oxygen Sensors (HO2S) | ||
| Bank 1, Sensor 1 | In Left Exhaust Pipe, Forward Of Catalytic Converter | |
| Bank 1, Sensor 2 | In Left Exhaust Pipe, After Catalytic Converter | |
| Bank 2, Sensor 1 | In Right Exhaust Pipe, Forward Of Catalytic Converter | |
| Bank 2, Sensor 2 | In Right Exhaust Pipe, After Catalytic Converter | |
| Heater & A/C Control Module | Center Of Instrument Panel, At Heater Control | |
| Idle Air Control (IAC) Valve | In Throttle Body Housing | |
| Ignition Coil | On Rocker Cover | |
| Intake Air Temperature (IAT) Sensor | Part Of MAF Sensor, On Air Induction Tube | |
| Knock Sensor | In Valley, Under Intake Manifold, Near Front Of Engine | |
| Manifold Absolute Pressure (MAP) Sensor | Top Rear Of Engine, On Intake Manifold | |
| Mass Airflow (MAF) Sensor | In Air Induction Tube, Near Air Cleaner Assembly | |
| Powertrain Control Module (PCM) | Near Left Front Inside Of Engine Compartment | |
| Secondary Air Injection Reaction Relay | In Underhood Bussed Electical Center | |
| Secondary Air Injection Reaction Solenoid | At Right Rear Of Engine Compartment | |
| Throttle Position (TP) Sensor | On Throttle Body | |
| Underhood Bussed Electical Center | At Left Side Of Engine Compartment, Near Battery | |
| Vehicle Speed Sensor Adapter (4WD) | On Left Side Of Transmission | |
| Vehicle Speed Sensor | In Extension Housing, On Left Side Of Transmission | |
COMPONENT LOCATIONS 4.8L (VIN V), 5.3L (VIN T) & 6.0L (VIN U) SIERRA & SILVERADO
COMPONENT LOCATIONS 5.0L (VIN M), 5.7L (VIN R) & 7.4L (VIN J) "C" & "K" SERIES
| Component | Location | |
|---|---|---|
| A/C Compressor Clutch Relay | In Underhood Fuse/Relay Block | |
| A/C Compressor Cycling Switch | On Top Of Accumulator, Right Rear Of Engine Compartment | |
| A/C High Pressure Cut-Out Switch | On Rear Of A/C Compressor | |
| A/C Low Pressure Cut-Off Switch | On Top Of A/C Compressor, In High Pressure Line | |
| Air Injection Reaction Relay | In Underhood Fuse/Relay Block | |
| Auxiliary Cooling Fan Relay | Left Rear Side Of Engine Compartment | |
| Camshaft Position (CMP) Sensor | Top Rear Center Of Engine | |
| Crankshaft Position (CKP) Sensor | Lower Right Front Of Engine Block, Near Crankshaft | |
| Cruise Control Module | Left Rear Side Of Engine Compartment, On Bulkhead | |
| Data Link Connector (DLC) | Under Left Side Of Instrument Panel | |
| Distributor | Located Center Rear Of Engine | |
| EGR Valve | Top Of Engine | |
| Engine Coolant Temperature (ECT) Sensor | Top Right Front Of Engine, Near Thermostat Housing | |
| EVAP Canister Purge Solenoid | At Top Right Of Engine | |
| EVAP Canister Vent Solenoid | Near Master Cylinder, At Left Front Wheelwell | |
| EVAP Canister Purge Vacuum Switch | Right Rear Top Of Engine, Right Of Purge Solenoid | |
| Fuel Injectors | On Intake Manifold | |
| Fuel Pump Prime Connector | At Instrument Panel Harness, Near Instrument Panel Fuse Block | |
| Fuel Pump Relay | In Underhood Fuse/Relay Block | |
| Fuel Tank Pressure Sensor | In Fuel Tank | |
| Heated Oxygen Sensors (HO2S) | ||
| Bank 1, Sensor 1 | In Left Exhaust Pipe, Forward Of Catalytic Converter | |
| Bank 1, Sensor 2 | In Right Exhaust Pipe, Forward Of Catalytic Converter | |
| Bank 2, Sensor 1 (5.0L) | In Left Exhaust Pipe, Forward Of Catalytic Converter | |
| Bank 2, Sensor 1 (5.7L & 7.4L) | In Left Exhaust Pipe, After Catalytic Converter | |
| Bank 2, Sensor 2 | In Right Exhaust Pipe, After Catalytic Converter | |
| Heater & A/C Control Module | Center Of Instrument Panel, At Heater Control | |
| Idle Air Control (IAC) Valve | Rear Of Throttle Body | |
| Ignition Coil | Right Rear Of Engine | |
| Ignition Control Module | Right Rear Of Engine | |
| Intake Air Temperature (IAT) Sensor | On Air Intake Duct | |
| Knock Sensor | ||
| 5.0L & 5.7L | Right Front Of Engine Block, Below Exhaust Manifold, Forward Of Starter | |
| 7.4L | Left Rear Of Engine Mount, On Engine | |
| Manifold Absolute Pressure (MAP) Sensor | Top Center Of Intake Manifold, Near Fuel Injectors | |
| Mass Airflow (MAF) Sensor | On Air Intake Duct, Near Air Filter | |
| Throttle Position (TP) Sensor | On Side Of Throttle Body | |
| Transfer Case Relay | Right Rear Of Engine Compartment, Near Center Of Bulkhead | |
| Underhood Fuse/Relay Block | Left Rear Of Engine Compartment, On Wheelwell | |
| Vehicle Control Module (VCM) | In Engine Compartment, Near Master Cylinder, At Left Front Wheelwell | |
| Vehicle Speed Sensor | ||
| RWD | Left Rear Side Of Transmission | |
| Selectable 4WD | Left Rear Side Of Transfer Case | |
COMPONENT LOCATIONS 5.0L (VIN M), 5.7L (VIN R) & 7.4L (VIN J) "C" & "K" SERIES
COMPONENT LOCATIONS 5.0L (VIN M) & 5.7L (VIN R) "G" SERIES
| Component | Location | |
|---|---|---|
| A/C Compressor Clutch Relay | In Underhood Fuse/Relay Block | |
| A/C High Pressure Cut-Off Switch | On Rear Of A/C Compressor | |
| A/C Low Pressure Cut-Off Switch | In Low Pressure Refrigerant Line | |
| Camshaft Position (CMP) Sensor | Part Of Distributor, Rear Top Of Engine | |
| Crankshaft Position (CKP) Sensor | Lower Front Engine, Near Crankshaft | |
| Cruise Control Module | Front Of Engine Compartment, Near Left Fender | |
| Data Link Connector (DLC) | Under Left Side Of Instrument Panel | |
| EGR Valve | Top Front Of Engine | |
| Engine Coolant Temperature (ECT) Sensor | Top Front Of Engine | |
| Engine Oil Pressure Gauge Sensor | Top Rear Of Engine | |
| EVAP Canister Purge Solenoid | Right Side Of Engine | |
| EVAP Canister Vent Solenoid | Right Side Of Engine | |
| Fuel Injectors | On Top Of Intake Manifold | |
| Fuel Pump Relay | In Underhood Fuse/Relay Block | |
| Fuel Tank Pressure Sensor | In Fuel Tank | |
| Heated Oxygen Sensors (HO2S) | ||
| Bank 1, Sensor 1 | In Exhaust Pipe, At Front Catalytic Converter | |
| Bank 1, Sensor 3 | In Exhaust Pipe, At Rear Catalytic Converter | |
| Bank 2, Sensor 1 | N Exhaust Pipe, At Front Catalytic Converter | |
| Bank 2, Sensor 2 | N Exhaust Pipe, At Rear Catalytic Converter | |
| Idle Air Control (IAC) Valve | Top Left Side Of Engine | |
| Ignition Coil | Top Right Of Engine | |
| Ignition Control Module | Top Right Side Of Engine | |
| Intake Air Temperature (IAT) Sensor | Part Of Air Intake Duct, Front Of Engine Compartment | |
| Knock Sensor | Top Rear Of Engine | |
| Manifold Absolute Pressure (MAP) Sensor | Top Right Side Of Engine | |
| Mass Airflow (MAF) Sensor | Part OF Air Intake Duct, Front Top Of Engine | |
| Throttle Position (TP) Sensor | Left Top Of Engine | |
| Underhood Fuse/Relay Block | In Engine Compartment, On Left Fender | |
| Vehicle Control Module (VCM) | In Engine Compartment, On Left Fender | |
| Vehicle Speed Sensor | Left Side Of Transmission | |
COMPONENT LOCATIONS 5.0L (VIN M) & 5.7L (VIN R) "G" SERIES
COMPONENT LOCATIONS 6.5L (VIN F) "C" & "K" SERIES
| Component | Location | |
|---|---|---|
| A/C Compressor Clutch Relay | In Underhood Fuse/Relay Block | |
| A/C Compressor Cycling Switch | On Top Right Of A/C Accumulator, Right Side Of Engine Compartment, On Bulkhead | |
| A/C High Pressure Cut-Off Switch | On Rear Of A/C Compressor | |
| A/C Low Pressure Cut-Off Switch | Top Of Compressor, In High Pressure Refrigerant Line | |
| Camshaft Position (CMP) Sensor | Top Rear Center Of Engine | |
| Crankshaft Position (CKP) Sensor | Lower Right Front Of Engine Block, Near Crankshaft Pulley | |
| Cruise Control Module | Left Rear Of Engine Compartment, On Bulkhead | |
| Data Link Connector (DLC) | Below Steering Column, At Bottom Of Knee Bolster | |
| EGR Control Pressure/Baro Sensor | Top Of Engine Assembly | |
| Engine Coolant Temperature (ECT) Sensor | Lower Left Front Of Engine Block | |
| Glow Plug Controller | Left Rear Of Engine, Near Bulkhead | |
| Glow Plug Relay | Left Rear Of Engine, Near Bulkhead | |
| Heater & A/C Control Module | Center Of Instrument Panel, At Heater Control | |
| Intake Air Temperature (IAT) Sensor | Left Front Of Engine, Near Intake Manifold Opening | |
| Mass Airflow (MAF) Sensor | At Air Intake Duct, Near Air Filter, Right Of Engine | |
| Powertrain Control Module (PCM) | Under Right Side Of Instrument Panel, Above Blower Motor | |
| Transfer Case Relay | In Underhood Fuse/Relay Block | |
| Underhood Fuse/Relay Block | Left Rear Of Engine Compartment, On Wheelwell | |
| Vehicle Speed Sensor | ||
| RWD | Left Rear Side Of Transmission | |
| Selectable 4WD | Left Rear Side Of Transfer Case | |
| Wastegate Solenoid | Left Rear Top Of Engine, Above Valve Cover | |
| Water-In-Fuel Sensor | Rear Top Of Engine | |
COMPONENT LOCATIONS 6.5L (VIN F) "C" & "K" SERIES
COMPONENT LOCATIONS 6.5L (VIN F) "G" SERIES
| Component | Location |
|---|---|
| A/C Compressor Clutch Relay | In Underhood Fuse/Relay Block |
| A/C High Pressure Cut-Off Switch | On Rear Of A/C Compressor |
| A/C Low Pressure Cut-Off Switch | In Low Pressure Refrigerant Line |
| Accelerator Pedal Position Module | Attached To Accelerator Pedal |
| Boost Pressure Sensor | Top Of Engine |
| Crankshaft Position (CKP) Sensor | Lower Left Front Of Engine, Near Crankshaft Pulley |
| Data Link Connector (DLC) | Under Left Side Of Instrument Panel |
| Engine Coolant Temperature (ECT) Sensor | Top Rear Of Engine |
| Engine Oil Pressure Gauge Sensor | Top Front Of Engine |
| Engine Shutoff Solenoid | Top Right Side Of Engine |
| Exhaust Pressure Regulator Solenoid | Top Right Of Engine |
| Fuel Pump Relay | In Underhood Fuse/Relay Block |
| Fuel Solenoid | Part Of Fuel Solenoid Driver |
| Fuel Solenoid Driver | Top Right Side Of Engine |
| Glow Plug Relay | Top Right Side Of Engine |
| Ignition Timing Stepper Motor | Top Front Of Engine |
| Intake Air Temperature (IAT) Sensor | Top Right Side Of Engine |
| Optical Fuel Temperature Sensor | Top Of Engine |
| Powertrain Control Module (PCM) | Behind Center Of Instrument Panel |
| Underhood Fuse/Relay Block | In Engine Compartment, On Left Fender |
| Vehicle Speed Sensor | Left Side Of Transmission |
| Vehicle Speed Sensor Buffer | Below Left Side Of Instrument Panel, Near Steering Column |
| Wastegate Solenoid | Right Top Of Engine |
| Water-In-Fuel Sensor | Left Frame Rail, Near Center Of Vehicle |
COMPONENT LOCATIONS 6.5L (VIN F) "G" SERIES
COMPONENT LOCATIONS 6.5L (VIN F) "P" SERIES
| Component | Location |
|---|---|
| A/C Compressor Refrigerant Pressure Switch | Located By Body Builder |
| A/C Compressor Relay | On Right Side Of Driver's Island |
| A/C High Pressure Cut-Off Switch | On Rear Of A/C Compressor |
| Accelerator Pedal Position Module | Attached To Accelerator Pedal |
| Battery Junction Block | On Forward Left Side Of Bulkhead |
| Boost Pressure Sensor | On Right Top Of Air Intake |
| Crankshaft Position (CKP) Sensor | Lower Right Front Of Engine, Near Harmonic Balancer |
| Data Link Connector (DLC) | Under Left Side Of Instrument Panel |
| Engine Coolant Temperature (ECT) Sensor | Upper Right Front Of Engine, On Right Side Of Coolant Outlet Tube |
| Engine Shutoff Solenoid | At Fuel Injection Pump, Near Front Of Intake Manifold |
| Fuel Pump Prime Connector | At Engine Harness Breakout, Above Battery Junction Block |
| Fuel Pump Relay | On Right Side Of Driver's Island |
| Fuel Solenoid | At Fuel Injection Pump, Near Top Front Of Intake Manifold |
| Fuel Solenoid Driver | At Fuel Injection Pump, Near Top Front Of Intake Manifold |
| Glow Plug Controller | At Rear Of Left Cylinder Head |
| Ignition Timing Stepper Motor | At Fuel Injection Pump, Near Top Front Of Intake Manifold |
| Intake Air Temperature (IAT) Sensor | On Right Top Of Air Intake, Near Boost Pressure Sensor |
| Optical Fuel Temperature Sensor | At Fuel Injection Pump, Near Top Front Of Intake Manifold |
| Powertrain Control Module (PCM) | On Left Side Of Driver's Island |
| Wastegate Solenoid | Above Rear Of Left Cylinder Head, Near Glow Plug Controller |
| Water-In-Fuel Sensor | Part Of Fuel/Water Separator (Filter), At Rear Of Intake Manifold |
COMPONENT LOCATIONS 6.5L (VIN F) "P" SERIES
COMPONENT LOCATIONS 6.5L (VIN Y EFI) "P" SERIES
| Component | Location |
|---|---|
| A/C Compressor Refrigerant Pressure Switch | Located By Body Builder |
| A/C Compressor Relay | In Engine Compartment, On Bulkhead, Under Battery Junction Block |
| A/C High Pressure Cut-Off Switch | On Rear Of A/C Compressor |
| Accelerator Pedal Position Module | Attached To Accelerator Pedal |
| Battery Junction Block | On Forward Left Side Of Bulkhead |
| Crankshaft Position (CKP) Sensor | Lower Right Front Of Engine, Near Harmonic Balancer |
| Data Link Connector (DLC) | Under Left Side Of Instrument Panel, On Relay Bracket |
| Engine Coolant Temperature (ECT) Sensor | Upper Right Front Of Engine, On Right Side Of Coolant Outlet Tube |
| Engine Shutoff Solenoid | At Fuel Injection Pump, Near Front Of Intake Manifold |
| Fuel Pump Prime Connector | At Fuel Pump Relay Breakout, Under Battery Junction Block |
| Fuel Pump Relay | In Engine Compartment, On Bulkhead, Under Battery Junction Block |
| Fuel Solenoid | At Fuel Injection Pump, Near Top Front Of Intake Manifold |
| Fuel Solenoid Driver | At Fuel Injection Pump, Near Top Front Of Intake Manifold |
| Glow Plug Controller | At Rear Of Left Cylinder Head |
| Ignition Timing Stepper Motor | At Fuel Injection Pump, Near Top Front Of Intake Manifold |
| Intake Air Temperature (IAT) Sensor | At Front Right Side, In Engine Air Induction System Elbow, Behind Remote Air Cleaner |
| Manifold Absolute Pressure (MAP) Sensor | Near Center Of Intake Manifold, Behind Air Intake |
| Optical Fuel Temperature Sensor | At Fuel Injection Pump, Near Top Front Of Intake Manifold |
| Powertrain Control Module (PCM) | On Left Side Of Driver's Island, On Relay Bracket |
| Vehicle Speed Sensor (M/T) | On Left Side Of Transmission, Near Middle |
| Vehicle Speed Sensor Calibrator | On Left Side Of Driver's Island, Under Relay Bracket |
| Water-In-Fuel Sensor | Part Of Fuel/Water Separator (Filter), At Rear Of Intake Manifold |
COMPONENT LOCATIONS 6.5L (VIN Y EFI) "P" SERIES
COMPONENT LOCATIONS 6.5L (VIN Y MFI) "P" SERIES
| Component | Location |
|---|---|
| Barometric Pressure Sensor | On Top Of Intake Manifold, At Left Rear Side, Near Glow Plug Controller |
| Battery Junction Block | On Forward Left Side Of Bulkhead |
| Cold Advance Solenoid/Engine Coolant Temprature Switch | At Rear Lower Of Right Cylinder Head, Near Exhaust Manifold |
| Data Link Connector (DLC) | Under Left Side Of Instrument Panel, On Relay Bracket |
| Engine Speed Sensor | At Rear Of Intake Manifold, Near Fuel/Water Separator (Filter) |
| Fuel Injection Pump Cold Advance Solenoid | At Fuel Injection Pump, Near Top Front Of Intake Manifold |
| Fuel Injection Pump Shutoff Solenoid | At Fuel Injection Pump, Near Top Front Of Intake Manifold |
| Fuel Pump Prime Connector | At Fuel Pump Relay Breakout, Under Battery Junction Block |
| Fuel Pump Relay | In Engine Compartment, On Bulkhead, Under Battery Junction Block |
| Glow Plug Controller | At Rear Of Left Cylinder Head |
| Glow Plug Relay | Left Interior Bulkhead, On Relay Bracket |
| Idle Speed Control Actuator Solenoid | At Fuel Injection Pump, Near Top Front Of Intake Manifold |
| Throttle Position (TP) Sensor | At Right Front Of Intake Manifold |
| Vehicle Speed Sensor (M/T) | On Left Side Of Transmission, Near Middle |
| Vehicle Speed Sensor Calibrator | On Left Side Of Driver's Island, Under Relay Bracket |
| Water-In-Fuel Sensor | Part Of Fuel/Water Separator (Filter), At Rear Of Intake Manifold |
COMPONENT LOCATIONS 6.5L (VIN Y MFI) "P" SERIES
COMPONENT LOCATIONS 7.4L (VIN J) "G" SERIES
| Component | Location | |
|---|---|---|
| A/C Compressor Clutch Relay | In Underhood Fuse/Relay Block | |
| A/C High Pressure Cut-Off Switch | On Rear Of A/C Compressor | |
| A/C Low Pressure Cut-Off Switch | In Low Pressure Refrigerant Line | |
| Camshaft Position (CMP) Sensor | Part Of Distributor, Rear Top Of Engine | |
| Crankshaft Position (CKP) Sensor | Lower Front Of Engine, Near Crankshaft | |
| Cruise Control Module | Front Of Engine Compartment, Near Left Fender | |
| Data Link Connector (DLC) | Under Left Side Of Instrument Panel | |
| EGR Valve | Right Side Of Engine | |
| Engine Coolant Temperature (ECT) Sensor | Top Front Of Engine | |
| Engine Oil Pressure Gauge Sensor | Top Rear Of Engine | |
| EVAP Canister Purge Solenoid | Right Side Of Engine | |
| EVAP Canister Vent Solenoid | Right Side Of Engine | |
| Fuel Pump Relay | In Underhood Fuse/Relay Block | |
| Fuel Tank Pressure Sensor | In Fuel Tank | |
| Heated Oxygen Sensors (HO2S) | ||
| Bank 1, Sensor 1 | In Exhaust Pipe, In Front Of Catalytic Converter | |
| Bank 1, Sensor 3 | In Exhaust Pipe, In Back Of Catalytic Converter | |
| Bank 2, Sensor 1 | In Exhaust Pipe, In Front Of Catalytic Converter | |
| Bank 2, Sensor 2 | In Exhaust Pipe, In Back Of Catalytic Converter | |
| Idle Air Control (IAC) Valve | Top Left Side Of Engine | |
| Ignition Coil | Top Right Of Engine | |
| Ignition Control Module | Top Right Side Of Engine | |
| Intake Air Temperature (IAT) Sensor | Part Of Air Intake Duct, Front Top Of Engine | |
| Knock Sensor | Left Side Of Engine & Right Side Of Engine | |
| Manifold Absolute Pressure (MAP) Sensor | Top Right Side Of Engine | |
| Mass Airflow (MAF) Sensor | Part Of Air Intake Duct | |
| Secondary Air Injection Reaction Pump Relay | In Underhood Fuse/Relay Block | |
| Throttle Position (TP) Sensor | Right Top Of Engine | |
| Underhood Fuse/Relay Block | In Engine Compartment, On Left Fender | |
| Vehicle Control Module (VCM) | In Engine Compartment, On Left Fender | |
| Vehicle Speed Sensor | Left Side Of Transmission | |
COMPONENT LOCATIONS 7.4L (VIN J) "G" SERIES
COMPONENT LOCATIONS 7.4L (VIN J) "P" SERIES
| Component | Location | |
|---|---|---|
| A/C Compressor High Pressure Cut-Off Switch | On Rear Of A/C Compressor | |
| A/C Compressor Refrigerant Pressure Switch | Located By Body Builder | |
| A/C Compressor Relay | On Right Side Of Driver's Island | |
| Battery Junction Block | On Forward Left Side Of Bulkhead | |
| Camshaft Position (CMP) Sensor | In Distributor | |
| Crankshaft Position (CKP) Sensor | At Lower Right Front Of Engine, Near Harmonic Balancer | |
| Cruise Control Module | On Radiator Support Bracket, Left & Behind VCM | |
| Data Link Connector (DLC) | Lower Left Side Of Instrument Panel | |
| Distributor | At Top Rear Of Engine | |
| EGR Valve | At Top Front Left Of Intake Manifold | |
| Engine Coolant Temperature (ECT) Sensor | At Top Front Of Engine, Near Thermostat Housing | |
| EVAP Canister Purge Solenoid | At Left Center Of Intake Manifold | |
| Fuel Control Relay | On Top Of Steering Column Support, Behind Steering Column | |
| Fuel Pump Module | At Top Center Of Fuel Tank | |
| Fuel Pump Prime Connector | In Engine Compartment, On Bulkhead, Under Battery Junction Block | |
| Fuel Pump Relay | On Right Side Of Driver's Island | |
| Heated Oxygen Sensors (HO2S) | ||
| Bank 1, Sensor 1 | In Left Exhaust Pipe, Forward Of Catalytic Converter | |
| Bank 1, Sensor 3 | In Left Exhaust Pipe, Behind Catalytic Converter | |
| Bank 2, Sensor 1 | In Right Exhaust Pipe, Forward Of Catalytic Converter | |
| Bank 2, Sensor 2 | In Right Exhaust Pipe, Behind Catalytic Converter | |
| Idle Air Control (IAC) Valve | At Right Center Of Intake Manifold | |
| Ignition Coil | At Top Rear Of Intake Manifold, Near Distributor | |
| Ignition Control Module | On Bracket, At Top Rear Of Intake Manifold, Near Ignition Coil | |
| Intake Air Temperature (IAT) Sensor | At Front Right Side, In Engine Air Induction System Elbow, Behind Remote Air Cleaner | |
| Knock Sensor | On Sides Of Engine Block, Below Exhaust Manifolds | |
| Manifold Absolute Pressure (MAP) Sensor | At Front Of Intake Manifold, Behind Thermostat | |
| Mass Airflow (MAF) Sensor | At Front Right Side, In Engine Air Induction System Elbow, Behind Remote Air Cleaner | |
| Throttle Position (TP) Sensor | At Right Center Of Intake Manifold, Near IAC Valve | |
| Vehicle Control Module (VCM) | Mounted On Top Of Radiator Support | |
COMPONENT LOCATIONS 7.4L (VIN J) "P" SERIES