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 MANUALSCHEVROLET1997CHEVY EXPRESS G3500, VAN CARGO, 6.5 FREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISCONNECTOR TERMINAL IDENTIFICATION (G SERIES)
1997 Chevrolet Chevy Express G3500, Van Cargo, 6.5 F
Connector Terminal Identification (G Series)
1997 Chevrolet Chevy Express G3500, Van Cargo, 6.5 FSECTION Connector Terminal Identification (G Series)
- *Read This First*
- Connectors C-100 To C-419
- A/C Compressor Clutch
- A/C Compressor High Pressure Cutoff Switch
- A/C Compressor Low Pressure Cutoff Switch
- Accelerator Pedal Position Module (Diesel)
- Ambient Air Temperature Sensor (Diesel)
- Ashtray Lamp
- Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch
- Automatic Transmission Input Shaft Speed (A/T ISS) Sensor & Vehicle Speed Sensor
- Auxiliary Blower Motor Connectors
- Auxiliary Power Outlet
- Backup Lamp
- Battery Cable Connectors
- Blower Motor Resistor/Relay
- Boost Pressure Sensor (Diesel)
- Brake Pressure Differential Switch
- Camshaft Position (CMP) Sensor
- Center High Mounted STOPLAMP
- Cigarette Lighter
- Crankshaft Position (CKP) Sensor Connectors
- Cruise Control Module (Gas)
- Data Link
- Daytime Running Lamp Connectors
- Dome Lamp
- Door Jamb Switch Connectors
- Door Lock Actuator Motor Connectors
- Electronic Brake Control Module Connectors
- Engine Coolant Temperature Gauge Sensor
- Engine Coolant Temperature (ECT) Sensor Connectors
- Engine Metal Temperature Gauge Sensor (L29 Only)
- Engine Shut Off Solenoid
- Evaporative Emission (EVAP) Canister Purge Valve (Gas)
- Evaporative Emission (EVAP) Canister Vacuum Switch
- Exhaust Gas RECIRCULATION (EGR) Valve
- Front Auxiliary HVAC Control Module Connectors
- Fuel Heater (Diesel)
- Fuel Injector Connectors
- Fuel Lift Pump (Diesel)
- Fuel Pump & Sender Connectors
- Fuel Pump Switch & Engine Oil Pressure Gauge Sensor
- Fuel Sender Buffer Module
- Fuel Solenoid Driver (Diesel)
- Fuel Tank Level Sender/Sensor Connectors
- Generator Connectors
- Glow Plug Connectors
- Headlamp Connectors
- Heated Oxygen Sensor Connectors
- Heater & A/C Control Logic Module
- Heater & A/C Controller Connectors
- Horn
- Idle Air Control Valve
- Ignition Coil
- Ignition Control Module
- Ignition Timing Stepper Motor (Diesel)
- Illuminated Entry Module
- Inflatable Restraint Diagnostic Resistor
- Inflatable Restraint Front End Discriminating Sensor
- Inflatable Restraint Sensing & Diagnostic Module
- In-Line Fuse
- Intake Air Temperature (IAT) Sensor
- Instrument Cluster
- Instrument Panel Fuse Block
- Instrument Panel Compartment Lamp
- Instrument Panel Relay Center
- Knock Sensor
- Low Engine Coolant Level Indicator Connectors
- Manifold Absolute Pressure (Map) Sensor
- Mass Air Flow (MAF) Sensor
- Multi-Function Alarm Module
- Optical Fuel Temperature Sensor (Diesel)
- Park Brake Warning Switch
- Park/Neutral Position Switch Connectors
- Park & Turn Signal Lamp (LF/RF Inner/Outer)
- Park & Turn Signal Lamp (LF/RF & RR) & TAILLAMP (Park & Stop)
- Power Antenna Assembly
- Power Brake (P/B) Booster Fluid Connectors
- Power Door Lock Connectors
- Power Outside Rearview Mirror Connectors
- Power Seat Switch (LH & RH)
- Power Steering Control Module
- Power Steering Fluid Flow Actuator
- Power Window Connectors
- Pressure Control Solenoid (Pc Sol) Valve
- Radio Connectors
- Radio Speaker Connectors
- Rear Auxiliary HVAC Control Module
- Rear Auxiliary Mode Valve & Seal Assembly
- Rear Auxiliary Temperature Valve Assembly
- Remote Control Door Lock Receiver
- Seat Belt Switch
- Secondary Air Injection Reaction (Air) Pump Clutch
- Shift Solenoid Valve Connectors
- Side Door Contact Connectors
- Side Marker & License Lamp
- STEPWELL Lamp
- Sun Shade Mirror Lamp (LH & RH)
- TCC/STOPLAMP Switch
- Temperature Valve Actuator Motor
- Throttle Position (TP) Sensor
- Torque Converter Clutch Pulse Width Modulation Solenoid (TCC PWM Sol) Valve
- Torque Converter Clutch Solenoid (TCC Sol) Valve
- UNDERHOOD Fuse-Relay Center
- UNDERHOOD Lamp
- UNDERHOOD Reel Lamp
- UPFITTER Provisions Relay
- Vehicle Speed Sensor (VSS) Buffer (Diesel)
- WASTEGATE Solenoid (Diesel)
- Water In Fuel Indicator Sensor (Diesel)
- Wheel Speed Sensor
- Windshield Washer Pump 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.