Chevrolet TrailBlazer I (2001-2006) engine coolant temperature sensor (left front of engine block, near generator) Wiring diagrams

2-3 SHIFT SOLENOID VALVE 3-2 SHIFT SOLENOID VALVE 37 19 58 28 4 5 TCC ECT SIG ECT REF PRNDL A IN PCS SOL (LO) PCS SOL (HI) 59 57 SS A (1-2) SS B (2-3) ACCELERATOR PEDAL POSITION SENSOR (ON BRACKET, ABOVE ACCELERATOR PEDAL) APP 1 SIG APP 1 LO APP 2 SIG APP 2 LO PPL AUTOMATIC TRANS- MISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID TEMPERATURE SENSOR AUTOMATIC TRANSMISSION SHIFT LOCK ACTUATOR PNK WIRE BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BENEATH LEFT REAR SEAT) BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DOWN (3-2) ENGINE COOLANT TEMPERATURE SENSOR (LEFT FRONT OF ENGINE BLOCK, NEAR GENERATOR) GRN WIRE GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, OR START HOT IN RUN OR START HOT W/BRAKES APPLIED IGN 0 FUSE INSTRUMENT PANEL CLUSTER (IPC) LO SW DK LT 1-2 SHIFT SOLENOID VALVE LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT PRESSURE CONTROL SOLENOID VALVE OF TRANSFER CASE) OF TRANSMISSION) ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PCM 1 FUSE PCM B FUSE PNK PNK PNK WIRE PNK PNK REV SW WIRE PNK WIRE POWERTRAIN CONTROL MODULE (UPPER LEFT SIDE OF ENGINE) PPL PPL DATA LINK CONNECTOR (BELOW LEFT SIDE OF DASH) PPL TP 2 SIG TP 2 LO PPL W/ IMMOBILIZER PPL W/O IMMOBILIZER PPL/WHT WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE RED/BLK WIRE SERVICE ENGINE SOON SPLICE PACK SW SW TAC FUSE TAN WIRE TAN/BLK WIRE TCC PMW SOLENOID TCC PWM TCC SOLENOID THEFT DETERENT CONTROL MODULE THROTTLE ACTUATOR CONTROL MOTOR (ON THROTTLE BODY) TP 1 SIG TP 1 LO TRAILER BRAKE CONTROL UNIT TRANSFER CASE CIRCUIT (W/ 2-SPD TRANSFER CASE) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) ING E FUSE VEH STOP FUSE 34 VEHICLE SPEED SENSOR VSS HI VSS LO W/ IMMOB W/O IMMOB WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 40 16 GROUND GROUND 14 15 1 40 SERIAL DATA SERIAL DATA GROUND GROUND 18 53 34 72 TFP SW C TFT REF PRNDL P IN PRNDL B IN 2-3 SHIFT SOLENOID VALVE 20 57 19 75 59 58 BATTERY BATTERY IGNITION 1 IGNITION CLASS 2 DATA CLASS 2 DATA 3-2 SHIFT SOLENOID VALVE 48 47 SS A (1-2) SS B (2-3) 51 62 TFT SIG PRNDL C IN 74 80 32 ECT SIG ECT REF PRNDL A IN 8 6 PCS SOL (LO) PCS SOL (HI) AUTOMATIC TRANS- MISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID TEMPERATURE SENSOR AUTOMATIC TRANSMISSION SHIFT LEVER BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BENEATH LEFT REAR SEAT) BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DOWN (3-2) ENGINE COOLANT TEMPERATURE SENSOR (LEFT FRONT OF ENGINE BLOCK, NEAR GENERATOR) GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, OR START HOT IN RUN OR START IGN 0 FUSE INSTRUMENT PANEL CLUSTER (IPC) LO SW DK LT 1-2 SHIFT SOLENOID VALVE LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT PRESSURE CONTROL SOLENOID VALVE MIL IND ORG/ WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PCM 1 FUSE PCM B FUSE PNK PNK PNK WIRE PNK PNK REV SW WIRE PNK PNK WIRE PNK TFP SW A WIRE PNK WIRE POWERTRAIN CONTROL MODULE (NEAR LOWER LEFT FRONT OF ENGINE) PPL PPL DATA LINK CONNECTOR (BOTTOM LEFT SIDE OF DASH) PPL W/ IMMOBILIZER PPL W/O IMMOBILIZER PPL/WHT WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE RED/BLK WIRE SERVICE ENGINE SOON SPLICE PACK SW SW TAN WIRE TAN/BLK WIRE TCC TCC PMW SOLENOID TCC PWM TCC SOLENOID TFP SW B THEFT DETERENT CONTROL MODULE THROTTLE ACTUATOR CONTROL (TAC) MODULE TRANSFER CASE CIRCUIT (W/ 2-SPD TRANSFER CASE) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) ING E FUSE VEHICLE SPEED SENSOR (ON LEFT REAR OF TRANSFER CASE) VSS HI VSS LO W/ IMMOB W/O IMMOB WHT WIRE YEL WIRE YEL/BLK WIRE

3-2 SS CTRL LOW REF 705 597 COOLING FANS SYSTEM A/C SYSTEM ABS SYSTEM BATT VOLT CLS 2 DATA CLS 2 DATA LOW REF CMP LOW REF BLK WIRE BLK/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE COOLANT TEMPERATURE SENSOR (LEFT FRONT OF ENGINE BLOCK, NEAR GENERATOR) FAN CLUTCH INJ 7 CTRL INJ 4 CTRL FUSE 53 FUSE 54 GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START HOT IN RUN, START IGN 0 FUSE 47 INJ 1 CTRL INJ 6 CTRL INJ 3 CTRL INJ 2 CTRL INJ A FUSE 55 INJ B FUSE 56 INJECTORS KS 1 SIGNAL KS 2 SIGNAL CKP SIG REQ TORQ SIG SERIAL DATA SERIAL DATA LOW REF GND LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK 1 2 3 4 5 WIRE PNK PNK 26 27 WIRE PNK PNK 6 7 8 9 10 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LOWER LEFT FRONT OF ENGINE) PPL PPL PPL PPL/WHT WIRE PRND A SIG TCC/BRK SIG PRND P SIG PPL PRND B SIG CMP SIG ECT SIG IGN 0 VOLT INJ 5 CTRL INJ 8 CTRL RANGE B RANGE C IGN 1 VOLT BATT VOLT LOW REF REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE RED/BLK WIRE START RELAY GND STARTING/ CHARGING SYSTEM TAN WIRE TAN/WHT WIRE TFT LOW REF MAP LOW REF UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) PCM B FUSE 10 WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE