Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 182 (CONNECTOR TERMINAL IDENTIFICATION (G SERIES))*READ THIS FIRST*
1998 Chevrolet Suburban K2500, 7.4 J, Part Time
*Read This First*
1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION *Read This First*
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1997 GMC Vandura, 1997 GMC Savana Special, 1997 GMC Savana Camper Special, 1997 GMC Savana, and 1997 Chevrolet RV Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Use the CONNECTOR IDENTIFICATION INDEX
table to link to the illustrations of specific connector groups.
CONNECTOR IDENTIFICATION INDEX
| Application | Connector Group | |
|---|---|---|
| Connectors C-100 To C-419 | CONNECTORS C-100 TO C-419 | |
| A/C Compressor Connectors | ||
| A/C Compressor Clutch | A/C COMPRESSOR CLUTCH | |
| A/C Compressor High Pressure Cutoff Switch | A/C COMPRESSOR HIGH PRESSURE CUTOFF SWITCH | |
| A/C Compressor Low Pressure Cutoff Switch | A/C COMPRESSOR LOW PRESSURE CUTOFF SWITCH | |
| Accelerator Pedal Position Module (Diesel) | ACCELERATOR PEDAL POSITION MODULE (DIESEL) | |
| Ambient Air Temperature Sensor (Diesel) | AMBIENT AIR TEMPERATURE SENSOR (DIESEL) | |
| Ashtray Lamp | ASHTRAY LAMP | |
| Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch | AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH | |
| Automatic Transmission Input Shaft Speed (A/T ISS) Sensor | AUTOMATIC TRANSMISSION INPUT SHAFT SPEED (A/T ISS) SENSOR & VEHICLE SPEED SENSOR | |
| Auxiliary Blower Motor Connectors | AUXILIARY BLOWER MOTOR CONNECTORS | |
| Auxiliary Power Outlet | AUXILIARY POWER OUTLET | |
| Backup Lamp | BACKUP LAMP | |
| Battery Cable Connectors | BATTERY CABLE CONNECTORS | |
| Blower Motor Resistor/Relay | BLOWER MOTOR RESISTOR/RELAY | |
| Boost Pressure Sensor (Diesel) | BOOST PRESSURE SENSOR (DIESEL) | |
| Brake Pressure Differential Switch | BRAKE PRESSURE DIFFERENTIAL SWITCH | |
| Camshaft Position (CMP) Sensor | CAMSHAFT POSITION (CMP) SENSOR | |
| Center High Mounted Stoplamp | CENTER HIGH MOUNTED STOPLAMP | |
| Cigarette Lighter | CIGARETTE LIGHTER | |
| Crankshaft Position (CKP) Sensor Connectors | CRANKSHAFT POSITION (CKP) SENSOR CONNECTORS | |
| Cruise Control Module (Gas) | CRUISE CONTROL MODULE (GAS) | |
| Data Link | DATA LINK | |
| Daytime Running Lamp Connectors | DAYTIME RUNNING LAMP CONNECTORS | |
| Dome Lamp | DOME LAMP | |
| Door Jamb Switch Connectors | DOOR JAMB SWITCH CONNECTORS | |
| Door Lock Actuator Motor Connectors | DOOR LOCK ACTUATOR MOTOR CONNECTORS | |
| Electronic Brake Control Module Connectors | ELECTRONIC BRAKE CONTROL MODULE CONNECTORS | |
| Engine Coolant Temperature Gauge Sensor | ENGINE COOLANT TEMPERATURE GAUGE SENSOR | |
| Engine Coolant Temperature (ECT) Sensor Connectors | ENGINE COOLANT TEMPERATURE (ECT) SENSOR CONNECTORS | |
| Engine Oil Pressure Gauge Sensor | FUEL PUMP SWITCH & ENGINE OIL PRESSURE GAUGE SENSOR | |
| Engine Metal Temperature Gauge Sensor (L29 Only) | ENGINE METAL TEMPERATURE GAUGE SENSOR (L29 ONLY) | |
| Engine Shut Off Solenoid | ENGINE SHUT OFF SOLENOID | |
| Evaporative Emission (EVAP) Canister Connectors | ||
| Evaporative Emission (EVAP) Canister Purge Valve (Gas) | EVAPORATIVE EMISSION (EVAP) CANISTER PURGE VALVE (GAS) | |
| Evaporative Emission (EVAP) Canister Vacuum Switch | EVAPORATIVE EMISSION (EVAP) CANISTER VACUUM SWITCH | |
| Exhaust Gas Recirculation (EGR) Valve | EXHAUST GAS RECIRCULATION (EGR) VALVE | |
| Front Auxiliary HVAC Control Module Connectors | FRONT AUXILIARY HVAC CONTROL MODULE CONNECTORS | |
| Fuel Heater (Diesel) | FUEL HEATER (DIESEL) | |
| Fuel Injector Connectors | FUEL INJECTOR CONNECTORS | |
| Fuel Lift Pump (Diesel) | FUEL LIFT PUMP (DIESEL) | |
| Fuel Pump & Sender Connectors | FUEL PUMP & SENDER CONNECTORS | |
| Fuel Pump Switch | FUEL PUMP SWITCH & ENGINE OIL PRESSURE GAUGE SENSOR | |
| Fuel Sender Buffer Module | FUEL SENDER BUFFER MODULE | |
| Fuel Solenoid Driver (Diesel) | FUEL SOLENOID DRIVER (DIESEL) | |
| Fuel Tank Level Sender/Sensor Connectors | FUEL TANK LEVEL SENDER/SENSOR CONNECTORS | |
| Generator Connectors | GENERATOR CONNECTORS | |
| Glow Plug Connectors | GLOW PLUG CONNECTORS | |
| Headlamp Connectors | HEADLAMP CONNECTORS | |
| Heated Oxygen Sensor Connectors | HEATED OXYGEN SENSOR CONNECTORS | |
| Heater & A/C Control Logic Module | HEATER & A/C CONTROL LOGIC MODULE | |
| Heater & A/C Controller Connectors | HEATER & A/C CONTROLLER CONNECTORS | |
| Horn | HORN | |
| Idle Air Control Valve | IDLE AIR CONTROL VALVE | |
| Ignition Coil | IGNITION COIL | |
| Ignition Control Module | IGNITION CONTROL MODULE | |
| Ignition Timing Stepper Motor (Diesel) | IGNITION TIMING STEPPER MOTOR (DIESEL) | |
| Illuminated Entry Module | ILLUMINATED ENTRY MODULE | |
| Inflatable Restraint Connectors | ||
| Inflatable Restraint Diagnostic Resistor | INFLATABLE RESTRAINT DIAGNOSTIC RESISTOR | |
| Inflatable Restraint Front End Discriminating Sensor | INFLATABLE RESTRAINT FRONT END DISCRIMINATING SENSOR | |
| Inflatable Restraint Sensing & Diagnostic Module | INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE | |
| In-Line Fuse | IN-LINE FUSE | |
| Intake Air Temperature (IAT) Sensor | INTAKE AIR TEMPERATURE (IAT) SENSOR | |
| Instrument Cluster | INSTRUMENT CLUSTER | |
| Instrument Panel Connectors | ||
| Instrument Panel Block | INSTRUMENT PANEL BLOCK | |
| Instrument Panel Compartment Lamp | INSTRUMENT PANEL COMPARTMENT LAMP | |
| Instrument Panel Relay Center | INSTRUMENT PANEL RELAY CENTER | |
| Knock Sensor | KNOCK SENSOR | |
| Low Engine Coolant Level Indicator Connectors | LOW ENGINE COOLANT LEVEL INDICATOR CONNECTORS | |
| Manifold Absolute Pressure (MAP) Sensor | MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR | |
| Mass Air Flow (MAF) Sensor | MASS AIR FLOW (MAF) SENSOR | |
| Multi-Function Alarm Module | MULTI-FUNCTION ALARM MODULE | |
| Optical Fuel Temperature Sensor | OPTICAL FUEL TEMPERATURE SENSOR | |
| Park Brake Warning Switch | PARK BRAKE WARNING SWITCH | |
| Park/Neutral Position Switch Connectors | PARK/NEUTRAL POSITION SWITCH CONNECTORS | |
| Park & Turn Signal Lamp (LF/RF Inner/Outer) | PARK & TURN SIGNAL LAMP (LF/RF INNER/OUTER) | |
| Park & Turn Signal Lamp (LF/RF & RR) & Taillamp (Park & Stop) | PARK & TURN SIGNAL LAMP (LF/RF & RR) & TAILLAMP (PARK & STOP) | |
| Power Antenna Assembly | POWER ANTENNA ASSEMBLY | |
| Power Brake (P/B) Booster Fluid Connectors | POWER BRAKE (P/B) BOOSTER FLUID CONNECTORS | |
| Power Door Lock Connectors | POWER DOOR LOCK CONNECTORS | |
| Power Outside Rearview Mirror Connectors | POWER OUTSIDE REARVIEW MIRROR CONNECTORS | |
| Power Seat Switch (LH & RH) | POWER SEAT SWITCH (LH & RH) | |
| Power Steering Control Module | POWER STEERING CONTROL MODULE | |
| Power Steering Fluid Flow Actuator | POWER STEERING FLUID FLOW ACTUATOR | |
| Power Window Connectors | POWER WINDOW CONNECTORS | |
| Pressure Control Solenoid (PC SOL) Valve | PRESSURE CONTROL SOLENOID (PC SOL) VALVE | |
| Radio Connectors | RADIO CONNECTORS | |
| Radio Speaker Connectors | RADIO SPEAKER CONNECTORS | |
| Rear Auxiliary Connectors | ||
| Rear Auxiliary HVAC Control Module | REAR AUXILIARY HVAC CONTROL MODULE | |
| Rear Auxiliary Mode Valve & Seal Assembly | REAR AUXILIARY MODE VALVE & SEAL ASSEMBLY | |
| Rear Auxiliary Temperature Valve Assembly | REAR AUXILIARY TEMPERATURE VALVE ASSEMBLY | |
| Remote Control Door Lock Receiver | REMOTE CONTROL DOOR LOCK RECEIVER | |
| Seat Belt Switch | SEAT BELT SWITCH | |
| Secondary Air Injection Reaction (AIR) Pump Clutch | SECONDARY AIR INJECTION REACTION (AIR) PUMP CLUTCH | |
| Shift Solenoid Valve Connectors | SHIFT SOLENOID VALVE CONNECTORS | |
| Side Door Contact Connectors | SIDE DOOR CONTACT CONNECTORS | |
| Side Marker & License Lamp | SIDE MARKER & LICENSE LAMP | |
| Stepwell Lamp | STEPWELL LAMP | |
| Sun Shade Mirror Lamp (LH & RH) | SUN SHADE MIRROR LAMP (LH & RH) | |
| TCC/Stoplamp Switch | TCC/STOPLAMP SWITCH | |
| Temperature Valve Actuator Motor | TEMPERATURE VALVE ACTUATOR MOTOR | |
| Throttle Position (TP) Sensor | THROTTLE POSITION (TP) SENSOR | |
| Torque Converter Clutch Connectors | ||
| Torque Converter Clutch Pulse Width Modulation Solenoid (TCC PWM SOL) Valve | TORQUE CONVERTER CLUTCH PULSE WIDTH MODULATION SOLENOID (TCC PWM SOL) VALVE | |
| Torque Converter Clutch Solenoid (TCC SOL) Valve | TORQUE CONVERTER CLUTCH SOLENOID (TCC SOL) VALVE | |
| Underhood Fuse-Relay Center | UNDERHOOD FUSE-RELAY CENTER | |
| Underhood Lamp | UNDERHOOD LAMP | |
| Underhood Reel Lamp | UNDERHOOD REEL LAMP | |
| Upfitter Provisions Relay | UPFITTER PROVISIONS RELAY | |
| Vehicle Speed Sensor Connectors | ||
| Vehicle Speed Sensor | AUTOMATIC TRANSMISSION INPUT SHAFT SPEED (A/T ISS) SENSOR & VEHICLE SPEED SENSOR | |
| Vehicle Speed Sensor (VSS) Buffer (Diesel) | VEHICLE SPEED SENSOR (VSS) BUFFER (DIESEL) | |
| Wastegate Solenoid (Diesel) | WASTEGATE SOLENOID (DIESEL) | |
| Water In Fuel Indicator Sensor (Diesel) | WATER IN FUEL INDICATOR SENSOR (DIESEL) | |
| Wheel Speed Sensor | WHEEL SPEED SENSOR | |
| Windshield Washer Pump Motor | WINDSHIELD WASHER PUMP MOTOR | |
| Windshield Wiper Motor | WINDSHIELD WIPER MOTOR | |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.