Connector Terminal Identification

• *Read This First*
• C100 To C603
  • C100
  • C101 (W/ A/C)
  • C101 (W/O A/C)
  • C102 (2.2L)
  • C102 (4.3L)
  • C103
  • C104
  • C105
  • C106
  • C107
  • C108
  • C109
  • C110
  • C111 (2.2L)
  • C111 (4.3L)
  • C112
  • C114
  • C115
  • C116
  • C117
  • C118
  • C120
  • C121
  • C125-C127
  • C128-C129
  • C175 (2.2L)
  • C175 (4.3L)
  • C200 (2.2L Pickup)
  • C200 (4.3L Pickup)
  • C200 (Utility)
  • C201 (2.2L)
  • C201 (4.3L)
  • C202
  • C203 (2.2L)
  • C203 (4.3L)
  • C203 (Utility)
  • C207
  • C208
  • C209
  • C210
  • C211 (W/ Manual Transmission
  • C211 (W/ Floor Shift Automatic Transmission)
  • C211 (W/ Column Shift Automatic Transmission)
  • C212
  • C213 (Utility W/ 6 Speakers Or Four Door Utility W/ 4 Speakers)
  • C213 (Two Door Utility W/ 4 Speakers)
  • C214
  • C215 (Two Door Utility W/ 4 Speakers, W/ A/T)
  • C215 (Two Door Utility W/ 4 Speakers, W/ M/T)
  • C215 (Four Door Utility W/ 4 Speakers Or Utility W/ 6 Speakers, W/ Liftgate, W/ A/T)
  • C215 (Four Door Utility W/ 4 Speakers Or Utility W/ 6 Speakers, Four Door W/ Rear Wipers, W/O Liftgate, W/ M/T)
  • C216
  • C218
  • C219
  • C220
  • C222 (Pickup)
  • C222 (Utility)
  • C224
  • C225
  • C226
  • C230
  • C233
  • C300
  • C301 & C317
  • C390
  • C391
  • C392
  • C401
  • C402 & C403
  • C404 & C406
  • C405 & C407
  • C410
  • C415
  • C425
  • C426 & C428
  • C427 & C429
  • C430
  • C431
  • C432 & C433
  • C500
  • C501 (Extended Cab Pickup W/O Cargo Door, W/ RKE)
  • C501 (Extended Cab Pickup W/O Cargo Door, W/O RKE)
  • C501 (Regular Cab Or Extended Cab Pickup W/ Cargo Door, W/ RKE)
  • C501 (Regular Cab Or Extended Cab Pickup W/ Cargo Door, W/O RKE)
  • C501 (Utility W/ RKE)
  • C501 (Utility W/O RKE)
  • C504
  • C600
  • C601 (Extended Cab Pickup W/O Rear Side Door, W/RKE)
  • C601 (Extended Cab Pickup W/O Rear Side Door, W/O RKE)
  • C601 (Regular Cab Or Extended Cab Pickup W/ Rear Side Door, W/ RKE)
  • C601 (Regular Cab Or Extended Cab Pickup W/ Rear Side Door, W/O RKE)
  • C601 (Utility W/ 4 Speakers)
  • C601 (Utility W/ 6 Speakers)
  • C603
• A/C Compressor
• A/C Compressor Cycling Switch (4.3L)
• A/C Compressor High Pressure Cutoff Switch (4.3L)
• A/C Compressor Relay
• A/C Refrigerant Pressure Sensor (2.2L)
• Air Temperature Valve Electric Actuator
• Ambient Air Temperature Sensor
• Automatic Transmission Fluid Pressure Manual Valve Position Switch
• Automatic Transmission Position Indicator Lamp (W/ Floor Shift A/T)
• Backup Lamp Connectors
  • Backup Lamp (Pickup)
  • Backup Lamp (Utility)
• Backup Lamp Switch (Manual Transmission)
• Blower Motor (W/ Imp)
• Blower Motor Relay
• Blower Motor Resistor
• Brake Pressure Modulator Valve Connectors
  • Brake Pressure Modulator Valve C1
  • Brake Pressure Modulator Valve C2
  • Brake Pressure Modulator Valve C3
• Brake Pressure Warning Switch
• Camshaft Position Sensor Connectors
  • Camshaft Position Sensor (2.2L)
  • Camshaft Position Sensor (4.3L)
• Cargo Lamp (Utility)
• Clutch Pedal Position & Cruise Control Shutoff Switch
• Console Courtesy Lamp
• Crankshaft Position Sensor Connectors
  • Crankshaft Position Sensor (2.2L)
  • Crankshaft Position Sensor (4.3L)
• Cruise Control Module Connectors
  • Cruise Control Module (2.2L)
  • Cruise Control Module (4.3L)
• Data Link
• Daytime Running Lamps Control Module
• Dome & High Mounted Stop Lamp (Pickup)
• Dome Lamp (Utility)
• Door Lock & Side Window Switch Connectors
  • Door Lock & Side Window Switch C1 (LH)
  • Door Lock & Side Window Switch C2 (LH)
  • Door Lock & Side Window Switch C1 (RH)
  • Door Lock & Side Window Switch C2 (RH)
• Door Lock Relay
• Driver's Information Display Center Connectors
  • Driver's Information Display Center C1
  • Driver's Information Display Center C2 (BRAVADA)
  • Driver's Information Display Center C2 (Except BRAVADA)
• Electronic Ignition Control Module Connectors
  • Electronic Ignition Control Module (Electronic Spark Control - 4.3L)
  • Electronic Ignition Control Module C1 (W/O Coil - 2.2L)
  • Electronic Ignition Control Module C2 (W/O Coil - 2.2L)
• ENDGATE LIFTGLASS Jamb Switch
• ENDGATE Lock Switch
• ENDGATE Window Release Actuator
• ENDGATE Window Release Switch
• Engine Coolant Temperature Gauge Sensor (4.3L)
• Engine Coolant Temperature Sensor (4.3L)
• Engine Coolant Temperature Sensor W/ Engine Coolant Temperature Gauge Sensor (2.2L)
• Evaporative Emission Canister Purge Solenoid Valve
• Evaporative Emission Canister Vent Solenoid Valve
• Exhaust Gas RECIRCULATION Valve
• Fog Lamp Relay
• Fog Lamp Switch
• Four Wheel Drive Indicator Switch (W/ Manual Shift 4WD)
• Front Axle Switch
• Front Fog Lamp Bulb Connectors
  • Front Fog Lamp Bulb (BRAVADA)
  • Front Fog Lamp Bulb (Utility)
• Front Side Door Jamb Switch
• Front Side Door Lock Actuator C1 (LH - Door Lock Actuator) & Rear Side Door Lock Actuator
• Front Side Door Lock Actuator C2 (Door Handle Switch)
• Front Side Door Lock Actuator C3 (LH - Front Side Door Lock Cylinder Switch)
• Front Side Marker Lamp
• Front Side Window Regulator Motor
• Fuel Level Buffer Module
• Fuel Level Sensor W/ Fuel Pump (Fuel Sender W/ Pump) Connectors
  • Fuel Level Sensor W/ Fuel Pump (Fuel Sender W/ Pump - 2.2L)
  • Fuel Level Sensor W/ Fuel Pump (Fuel Sender W/ Pump - 4.3L)
• Fuel Pump Prime
• Fuel Pump Switch & Engine Oil Pressure Gauge Sensor
• Fuel Tank Pressure Sensor
• Generator
• Headlamp High Beam Bulb (Composite)
• Headlamp Low Beam Bulb (Composite)
• Headlamp Sealed Beam Bulb
• Headlamp Switch
• Heater & A/C Controller Connectors
  • Heater & A/C Controller C1 (Mode Controls)
  • Heater & A/C Controller C2 (Temperature Control)
  • Heater & A/C Controller C3 (Blower Controls)
  • Heater & A/C Controller C4 (Illumination)
• High Mounted Stop Lamp Relay
• Horn
• Idle Air Control Valve
• Ignition Coil (4.3L)
• Inflatable Restraint Arming Sensor
• Inflatable Restraint Diagnostic Energy Reserve Module
• Inflatable Restraint (Discriminating) Sensor Connectors
  • Inflatable Restraint (Discriminating) Sensor (LH)
  • Inflatable Restraint (Discriminating ) Sensor (RH)
• Inside Rear View Mirror (Map Lamps)
• Instrument Cluster Connectors
  • Instrument Cluster (W/ M/T)
  • Instrument Cluster (W/ Column Shift A/T)
  • Instrument Cluster (W/ Floor Shift A/T)
• Instrument Panel Ashtray Lamp
• Instrument Panel Compartment Lamp
• Instrument Panel Wiring Diode Module
• Intake Air Temperature Sensor
• Interior Lamps Control Module
• Knock Sensor Connectors
  • Knock Sensor (2.2L)
  • Knock Sensor (4.3L)
• Liftgate Ajar Switch
• Liftgate LIFTGLASS Jamb Switch
• Liftgate Lock Switch
• Liftgate Window Release Actuator
• Liftgate Window Release Switch
• Manifold Absolute Pressure Sensor Connectors
  • Manifold Absolute Pressure Sensor (2.2L)
  • Manifold Absolute Pressure Sensor (4.3L)
• Map/Dome Lamp Relay
• Mass Air Flow Sensor (4.3L)
• Outside Remote Control Rear View Mirror Switch
• Panel Dimmer Switch
• Park & Turn Signal Lamp Connectors
  • Park & Turn Signal Lamp (Front)
  • Park & Turn Signal Lamp (Rear - Pickup)
  • Park & Turn Signal Lamp (Rear - Utility)
• Park Brake Warning Switch
• Park Pawl Actuator (Brake/Transmission Shift Interlock Solenoid W/ Floor Shift A/T)
• Power Distribution Center
• Powertrain Control Module Connectors
  • Powertrain Control Module C1 (2.2L W/ A/T, W/ A/C)
  • Powertrain Control Module C1 (2.2L W/ A/T, W/O A/C)
  • Powertrain Control Module C1 (2.2L W/ M/T, W/ A/C)
  • Powertrain Control Module C1 (2.2L W/ M/T, W/O A/C)
  • Powertrain Control Module C2 (2.2L W/ A/T, W/ A/C)
  • Powertrain Control Module C2 (2.2L W/ A/T, W/O A/C)
  • Powertrain Control Module C2 (2.2L W/ M/T, W/ A/C)
  • Powertrain Control Module C2 (2.2L W/ M/T, W/O A/C)
  • Powertrain Control Module (4.3L)
• Pressure Control Solenoid Valve
• Radio Connectors
  • Radio C1
  • Radio C2
  • Radio C3
  • Radio C4
• Radio Speaker Connectors
  • Radio Speaker
  • Radio Speaker (Rear Side Door - Four Door Utility)
  • Radio Rear Speaker (Two Door Utility)
• Rear License Lamp Connectors
  • Rear License Lamp (FLEETSIDE Pickup W/ Rear Step Bumper)
  • Rear License Lamp (FLEETSIDE Pickup W/O Rear Step Bumper)
• Rear Side Door Jamb Switch
• Rear Side Marker Lamp (Pickup)
• Rear Side Window Regulator Motor
• Rear Window Defogger Grid
• Rear Window Defogger Switch
• Rear Window Wiper & Washer Switch
• Rear Window Wiper Cutout Switch
• Rear Window Wiper Motor
• Relay Center
• Remote Control Door Lock Receiver (Pickup)
• Shift Solenoid Valve (1-2, 2-3 & 3-2)
• Side Window Lockout Switch
• Side Window Switch (Rear)
• Starter Relay
• Sunroof Express Module Connectors
  • Sunroof Express Module C1
  • Sunroof Express Module C2
• Sunshade Mirror Lamp
• TCC Brake & Cruise Control Release Switch
• Throttle Position Sensor
• Torque Converter Clutch Pulse Width Modulation Solenoid Valve
• Transfer Case W/ Electric Shift 4WD
• Transfer Case Select Switch
• Transfer Case Shift Control Module
• Transmission Range Switch (Park/Neutral Position & Backup Lamp Switch) Connectors
  • Transmission Range Switch (Park/Neutral Position & Backup Lamp Switch) C1
  • Transmission Range Switch (Park/Neutral Position & Backup Lamp Switch) C2
• UNDERHOOD Lamp
• Windshield Washer Pump
• Windshield Washer Pump (Rear - Utility)
• Windshield Wiper Pulse Control Module
• Vehicle Speed Sensor