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NOTE: Use the CONNECTOR IDENTIFICATION INDEX  table to link to the illustrations of specific connector groups.
CONNECTOR IDENTIFICATION INDEX

Application Connector Group
C100 To C603 C100 TO C603 
A/C Compressor Connectors
A/C Compressor A/C COMPRESSOR 
A/C Compressor Cycling Switch (4.3L) A/C COMPRESSOR CYCLING SWITCH (4.3L) 
A/C Compressor High Pressure Cutoff Switch (4.3L) A/C COMPRESSOR HIGH PRESSURE CUTOFF SWITCH (4.3L) 
A/C Compressor Relay A/C COMPRESSOR RELAY 
A/C Refrigerant Pressure Sensor (2.2L) A/C REFRIGERANT PRESSURE SENSOR (2.2L) 
Air Temperature Valve Electric Actuator AIR TEMPERATURE VALVE ELECTRIC ACTUATOR 
Ambient Air Temperature Sensor AMBIENT AIR TEMPERATURE SENSOR 
Automatic Transmission Fluid Pressure Manual Valve Position Switch AUTOMATIC TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH 
Automatic Transmission Indicator Lamp (W/ Floor Shift A/T) AUTOMATIC TRANSMISSION POSITION INDICATOR LAMP (W/ FLOOR SHIFT A/T) 
Backup Lamp Connectors BACKUP LAMP CONNECTORS 
Backup Lamp Switch (Manual Transmission) BACKUP LAMP SWITCH (MANUAL TRANSMISSION) 
Blower Motor Connectors
Blower Motor (W/ IMP) BLOWER MOTOR (W/ IMP) 
Blower Motor Relay BLOWER MOTOR RELAY 
Blower Motor Resistor BLOWER MOTOR RESISTOR 
Brake Pressure Modulator Valve Connectors BRAKE PRESSURE MODULATOR VALVE CONNECTORS 
Brake Pressure Warning Switch BRAKE PRESSURE WARNING SWITCH 
Camshaft Position Sensor Connectors CAMSHAFT POSITION SENSOR CONNECTORS 
Cargo Lamp (Utility) CARGO LAMP (UTILITY) 
Clutch Pedal Position Switch CLUTCH PEDAL POSITION & CRUISE CONTROL SHUTOFF SWITCH 
Console Courtesy Lamp CONSOLE COURTESY LAMP 
Crankshaft Position Sensor Connectors CRANKSHAFT POSITION SENSOR CONNECTORS 
Cruise Control Connectors
Cruise Control Module Connectors CRUISE CONTROL MODULE CONNECTORS 
Cruise Control Shutoff Switch CLUTCH PEDAL POSITION & CRUISE CONTROL SHUTOFF SWITCH 
Cruise Control Release Switch TCC BRAKE & CRUISE CONTROL RELEASE SWITCH 
Data Link DATA LINK 
Daytime Running Lamps Control Module DAYTIME RUNNING LAMPS CONTROL MODULE 
Dome & High Mounted Stop Lamp (Pickup) DOME & HIGH MOUNTED STOP LAMP (PICKUP) 
Dome Lamp (Utility) DOME LAMP (UTILITY) 
Door Lock & Side Window Switch Connectors DOOR LOCK & SIDE WINDOW SWITCH CONNECTORS 
Door Lock Relay DOOR LOCK RELAY 
Driver's Information Display Center Connectors DRIVER'S INFORMATION DISPLAY CENTER CONNECTORS 
Electronic Ignition Control Module Connectors ELECTRONIC IGNITION CONTROL MODULE CONNECTORS 
Endgate Connectors
Endgate Liftglass Jamb Switch ENDGATE LIFTGLASS JAMB SWITCH 
Endgate Lock Switch ENDGATE LOCK SWITCH 
Endgate Window Release Actuator ENDGATE WINDOW RELEASE ACTUATOR 
Endgate Window Release Switch ENDGATE WINDOW RELEASE SWITCH 
Engine Coolant Temperature Connectors
Engine Coolant Temperature Gauge Sensor (4.3L) ENGINE COOLANT TEMPERATURE GAUGE SENSOR (4.3L) 
Engine Coolant Temperature Sensor (4.3L) ENGINE COOLANT TEMPERATURE SENSOR (4.3L) 
Engine Coolant Temperature Sensor W/ Engine Coolant Temperature Gauge Sensor (2.2L) ENGINE COOLANT TEMPERATURE SENSOR W/ ENGINE COOLANT TEMPERATURE GAUGE SENSOR (2.2L) 
Engine Oil Pressure Gauge Sensor FUEL PUMP SWITCH & ENGINE OIL PRESSURE GAUGE SENSOR 
Evaporative Emission Canister Connectors
Evaporative Emission Canister Purge Solenoid Valve EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VALVE 
Evaporative Emission Canister Vent Solenoid Valve EVAPORATIVE EMISSION CANISTER VENT SOLENOID VALVE 
Exhaust Gas Recirculation Valve EXHAUST GAS RECIRCULATION VALVE 
Fog Lamp Connectors
Fog Lamp Relay FOG LAMP RELAY 
Fog Lamp Switch FOG LAMP SWITCH 
Four Wheel Drive Indicator Switch (W/ Manual Shift 4WD) FOUR WHEEL DRIVE INDICATOR SWITCH (W/ MANUAL SHIFT 4WD) 
Front Axle Switch FRONT AXLE SWITCH 
Front Fog Lamp Bulb Connectors FRONT FOG LAMP BULB CONNECTORS 
Front Side Door Jamb Switch FRONT SIDE DOOR JAMB SWITCH 
Front Side Door Lock Actuator Connectors
Front Side Door Lock Actuator C1 (LH - Door Lock Actuator) 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 C2 (DOOR HANDLE SWITCH) 
Front Side Door Lock Actuator C3 (LH - Front Side Door Lock Cylinder Switch) FRONT SIDE DOOR LOCK ACTUATOR C3 (LH - FRONT SIDE DOOR LOCK CYLINDER SWITCH) 
Front Side Marker Lamp FRONT SIDE MARKER LAMP 
Front Side Window Regulator Motor FRONT SIDE WINDOW REGULATOR MOTOR 
Fuel Level Buffer Module 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) CONNECTORS 
Fuel Pump Connectors
Fuel Pump Prime FUEL PUMP PRIME 
Fuel Pump Switch FUEL PUMP SWITCH & ENGINE OIL PRESSURE GAUGE SENSOR 
Fuel Tank Pressure Sensor FUEL TANK PRESSURE SENSOR 
Generator GENERATOR 
Headlamp Connectors
Headlamp High Beam Bulb (Composite) HEADLAMP HIGH BEAM BULB (COMPOSITE) 
Headlamp Low Beam Bulb (Composite) HEADLAMP LOW BEAM BULB (COMPOSITE) 
Headlamp Sealed Beam Bulb HEADLAMP SEALED BEAM BULB 
Headlamp Switch HEADLAMP SWITCH 
Heater & A/C Controller Connectors HEATER & A/C CONTROLLER CONNECTORS 
High Mounted Stop Lamp Relay HIGH MOUNTED STOP LAMP RELAY 
Horn HORN 
Idle Air Control Valve IDLE AIR CONTROL VALVE 
Ignition Coil (4.3L) IGNITION COIL (4.3L) 
Inflatable Restraint Connectors
Inflatable Restraint Arming Sensor INFLATABLE RESTRAINT ARMING SENSOR 
Inflatable Restraint Diagnostic Energy Reserve Module INFLATABLE RESTRAINT DIAGNOSTIC ENERGY RESERVE MODULE 
Inflatable Restraint (Discriminating) Sensor Connectors INFLATABLE RESTRAINT (DISCRIMINATING) SENSOR CONNECTORS 
Inside Rear View Mirror (Map Lamps) INSIDE REAR VIEW MIRROR (MAP LAMPS) 
Instrument Cluster Connectors INSTRUMENT CLUSTER CONNECTORS 
Instrument Panel Connectors
Instrument Panel Ashtray Lamp INSTRUMENT PANEL ASHTRAY LAMP 
Instrument Panel Compartment Lamp INSTRUMENT PANEL COMPARTMENT LAMP 
Instrument Panel Wiring Diode Module INSTRUMENT PANEL WIRING DIODE MODULE 
Intake Air Temperature Sensor INTAKE AIR TEMPERATURE SENSOR 
Interior Lamps Control Module INTERIOR LAMPS CONTROL MODULE 
Knock Sensor Connectors KNOCK SENSOR CONNECTORS 
Liftgate Connectors
Liftgate Ajar Switch LIFTGATE AJAR SWITCH 
Liftgate Liftglass Jamb Switch LIFTGATE LIFTGLASS JAMB SWITCH 
Liftgate Lock Switch LIFTGATE LOCK SWITCH 
Liftgate Window Release Actuator LIFTGATE WINDOW RELEASE ACTUATOR 
Liftgate Window Release Switch LIFTGATE WINDOW RELEASE SWITCH 
Manifold Absolute Pressure Sensor Connectors MANIFOLD ABSOLUTE PRESSURE SENSOR CONNECTORS 
Map/Dome Lamp Relay MAP/DOME LAMP RELAY 
Mass Air Flow Sensor (4.3L) MASS AIR FLOW SENSOR (4.3L) 
Outside Remote Control Rear View Mirror Switch OUTSIDE REMOTE CONTROL REAR VIEW MIRROR SWITCH 
Panel Dimmer Switch PANEL DIMMER SWITCH 
Park & Turn Signal Lamp Connectors PARK & TURN SIGNAL LAMP CONNECTORS 
Park Brake Warning Switch PARK BRAKE WARNING SWITCH 
Park Pawl Actuator (Brake/Transmission Shift Interlock Solenoid W/ Floor Shift A/T) PARK PAWL ACTUATOR (BRAKE/TRANSMISSION SHIFT INTERLOCK SOLENOID W/ FLOOR SHIFT A/T) 
Power Distribution Center POWER DISTRIBUTION CENTER 
Powertrain Control Module Connectors
Powertrain Control Module POWERTRAIN CONTROL MODULE CONNECTORS 
Pressure Control Solenoid Valve PRESSURE CONTROL SOLENOID VALVE 
Radio Connectors RADIO CONNECTORS 
Radio Speaker Connectors RADIO SPEAKER CONNECTORS 
Rear License Lamp Connectors REAR LICENSE LAMP CONNECTORS 
Rear Side Door Jamb Switch REAR SIDE DOOR JAMB SWITCH 
Rear Side Door Lock Actuator FRONT SIDE DOOR LOCK ACTUATOR C1 (LH - DOOR LOCK ACTUATOR) & REAR SIDE DOOR LOCK ACTUATOR 
Rear Side Marker Lamp (Pickup) REAR SIDE MARKER LAMP (PICKUP) 
Rear Side Window Regulator Motor REAR SIDE WINDOW REGULATOR MOTOR 
Rear Window Defogger Grid REAR WINDOW DEFOGGER GRID 
Rear Window Defogger Switch REAR WINDOW DEFOGGER SWITCH 
Rear Window Wiper & Washer Switch REAR WINDOW WIPER & WASHER SWITCH 
Rear Window Wiper Cutout Switch REAR WINDOW WIPER CUTOUT SWITCH 
Rear Window Wiper Motor REAR WINDOW WIPER MOTOR 
Relay Center RELAY CENTER 
Remote Control Door Lock Receiver (Pickup) REMOTE CONTROL DOOR LOCK RECEIVER (PICKUP) 
Shift Solenoid Valve (1-2, 2-3 & 3-2) SHIFT SOLENOID VALVE (1-2, 2-3 & 3-2) 
Side Window Lockout Switch SIDE WINDOW LOCKOUT SWITCH 
Side Window Switch (Rear) SIDE WINDOW SWITCH (REAR) 
Starter Relay STARTER RELAY 
Sunroof Express Module Connectors SUNROOF EXPRESS MODULE CONNECTORS 
Sunshade Mirror Lamp SUNSHADE MIRROR LAMP 
TCC Brake Switch TCC BRAKE & CRUISE CONTROL RELEASE SWITCH 
Throttle Position Sensor THROTTLE POSITION SENSOR 
Torque Converter Clutch Pulse Width Modulation Solenoid Valve TORQUE CONVERTER CLUTCH PULSE WIDTH MODULATION SOLENOID VALVE 
Transfer Case Connectors
Transfer Case W/ Electric Shift 4WD TRANSFER CASE W/ ELECTRIC SHIFT 4WD 
Transfer Case Select Switch TRANSFER CASE SELECT SWITCH 
Transfer Case Shift Control Module TRANSFER CASE SHIFT CONTROL MODULE 
Transmission Range Switch (Park/Neutral Position & Backup Lamp Switch) Connectors TRANSMISSION RANGE SWITCH (PARK/NEUTRAL POSITION & BACKUP LAMP SWITCH) CONNECTORS 
Underhood Lamp UNDERHOOD LAMP 
Windshield Washer & Wiper Connectors
Windshield Washer Pump WINDSHIELD WASHER PUMP 
Windshield Washer Pump (Rear - Utility) WINDSHIELD WASHER PUMP (REAR - UTILITY) 
Windshield Wiper Pulse Control Module WINDSHIELD WIPER PULSE CONTROL MODULE 
Vehicle Speed Sensor VEHICLE SPEED SENSOR