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Home >> GMC >> 1997 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Connector Terminal Identification - C/K Series >> *Read This First*

*Read This First*

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-499 CONNECTORS C-100 TO C-499 
AUXILIARY HEATER & A/C CONTROL LOGIC MODULE AUXILIARY HEATER & A/C CONTROL LOGIC MODULE 
AUXILIARY HEATER & A/C CONTROL MODULE (FRONT) AUXILIARY HEATER & A/C CONTROL MODULE (FRONT) 
AUXILIARY HEATER & A/C CONTROL MODULE (REAR) AUXILIARY HEATER & A/C CONTROL MODULE (REAR) 
CRUISE CONTROL MODULE CRUISE CONTROL MODULE 
DATA LINK CONNECTOR DATA LINK CONNECTOR 
DOOR LOCK RELAY DOOR LOCK RELAY 
DRL MODULE DRL MODULE 
ELECTRONIC THROTTLE ACTUATOR MOTOR (DIESEL) ELECTRONIC THROTTLE ACTUATOR MOTOR (DIESEL) 
ENGINE EVAPORATIVE EMISSIONS CANISTER VENT (4.3L) ENGINE EVAPORATIVE EMISSIONS CANISTER VENT (4.3L) 
ENGINE FUEL SENDER MODULE (4.3L) ENGINE FUEL SENDER MODULE (4.3L) 
ENGINE FUEL TANK PRESSURE SENSOR (4.3L) ENGINE FUEL TANK PRESSURE SENSOR (4.3L) 
FOG LAMP SWITCH FOG LAMP SWITCH 
FUEL GAGE SENDER (AUXILIARY FUEL TANK) FUEL GAGE SENDER (AUXILIARY FUEL TANK) 
FUEL INJECTORS (4.3L) FUEL INJECTORS (4.3L) 
FUEL INJECTORS (5.0L & 5.7L) FUEL INJECTORS (5.0L & 5.7L) 
FUEL PUMP CONNECTORS
ENGINE FUEL PUMP MOTOR (4.3L) ENGINE FUEL PUMP MOTOR (4.3L)  .
FUEL PUMP BALANCE MODULE FUEL PUMP BALANCE MODULE 
FUEL PUMP BALANCE RELAY FUEL PUMP BALANCE RELAY 
FUEL PUMP OIL PRESSURE SWITCH & SENDER (DIESEL) FUEL PUMP OIL PRESSURE SWITCH & SENDER (DIESEL) 
FUEL PUMP OIL PRESSURE SWITCH & SENDER (GAS) FUEL PUMP OIL PRESSURE SWITCH & SENDER (GAS) 
GLOW PLUG CONTROL MODULE GLOW PLUG CONTROL MODULE 
HEADLAMP DIMMER SWITCH HEADLAMP DIMMER SWITCH 
HEATER & A/C CONTROL SWITCH C1 HEATER & A/C CONTROL SWITCH C1 
HEATER & A/C CONTROL SWITCH C3 HEATER & A/C CONTROL SWITCH C3 
HEATER BLOWER SWITCH C2 HEATER BLOWER SWITCH C2 
HIGH BLOWER RELAY HIGH BLOWER RELAY 
IGNITION COIL DRIVER IGNITION COIL DRIVER 
INFLATABLE RESTRAINT I/P MODULE ENABLE SWITCH INFLATABLE RESTRAINT I/P MODULE ENABLE SWITCH 
INFLATABLE RESTRAINT FRONT END SENSOR INFLATABLE RESTRAINT FRONT END SENSOR 
INSTRUMENT CLUSTER INSTRUMENT CLUSTER 
INTERIOR LAMP CONTROL MODULE INTERIOR LAMP CONTROL MODULE 
LH DOOR MASTER POWER WINDOW SWITCH LH DOOR MASTER POWER WINDOW SWITCH 
LINEAR EGR VALVE LINEAR EGR VALVE 
LOW COOLANT LEVER INDICATOR MODULE LOW COOLANT LEVER INDICATOR MODULE 
MODE DOOR MOTOR MODE DOOR MOTOR 
OXYGEN SENSOR (RH & LH) .OXYGEN SENSOR (RH & LH) 
POWER AMPLIFIER POWER AMPLIFIER 
POWER AMPLIFIER RELAY POWER AMPLIFIER RELAY 
POWER STEERING CONTROL MODULE POWER STEERING CONTROL MODULE 
POWER WINDOW & DOOR LOCK SWITCH (LH) POWER WINDOW & DOOR LOCK SWITCH (LH) 
POWER WINDOW & DOOR LOCK SWITCH (RH) POWER WINDOW & DOOR LOCK SWITCH (RH) 
RADIO C1 RADIO C1 
RADIO C2 RADIO C2 
REAR WINDOW WIPER/WASHER SWITCH REAR WINDOW WIPER/WASHER SWITCH 
REMOTE CONTROL DOOR LOCK RECEIVER REMOTE CONTROL DOOR LOCK RECEIVER 
TRANSFER CASE CONNECTORS TRANSFER CASE CONNECTORS 
TRANSMISSION CONNECTORS TRANSMISSION CONNECTORS 
VEHICLE SPEED SENSOR BUFFER VEHICLE SPEED SENSOR BUFFER 
WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MOTOR