Chevrolet TrailBlazer I (2001-2006) (i/p harn, 10 cm from steering column breakout, toward headlamp switch breakout) 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

AUDIO AMPLIFIER AUXILIARY HVAC CONTROL MODULE (UNDER LOWER CONSOLE) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE BRN/WHT WIRE CIGAR FUSE 13 CLASS 2 SERIAL DATA DATA LINK CONNECTOR (DLC) (ON BOTTOM LEFT SIDE OF DASH) DIGITAL RADIO RECEIVER DIGITAL VIDEO DISC (DVD) PLAYER DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER DOOR MODULE (IN LEFT FRONT DOOR) DRIVER MEMORY SEAT MODULE (BELOW LEFT FRONT SEAT) FRONT PASSENGER DOOR MODULE (BELOW FRONT PASSENGER DOOR SWITCH PANEL) GRY WIRE HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (BELOW REAR OF CENTER CONSOLE) INSTRUMENT PANEL CLUSTER LIFTGATE MODULE (CENTER OF LIFTGATE) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PPL PPL 2 1 RADIO SPLICE PACK SWB W/ AUTO A/C LWB W/ AUTO A/C MANUAL A/C TAN WIRE THEFT DETERRENT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE (BEHIND LOWER LEFT SIDE OF DASH) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENG COMPT) VEHICLE COMMUNICATION INTERFACE MODULE (SWB: UNDER RIGHT REAR SEAT) W/ IMMOBILIZER W/ IMMOBILIZER PPL W/O IMMOBILIZER W/O TRACTION CONTROL W/ TRACTION CONTROL WHT WIRE YEL WIRE YEL/BLK WIRE

2250 1640 1552 1553 GROUND BATTERY MOTOR CTRL A MOTOR CTRL B ATC FUSE BLK WIRE BLK/WHT WIRE BRN/WHT WIRE CLASS 2 DATA DK GRN WIRE DK GRN/WHT WIRE ENCODER ENCODER GND ENCODER SIG GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START ING E FUSE INSTRUMENT PANEL CLUSTER (IPC) LOGIC LT BLU WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PNK WIRE PPL PPL DATA LINK CONNECTOR (ON BOTTOM LEFT SIDE OF DASH) PPL FRONT SIG LO FRONT SIG HI PROPSHAFT SPEED SENSOR (LEFT FRONT) (LEFT FRONT OF TRANSFER CASE) REAR SIG HI REAR SIG LO RED WIRE SERVICE THEFT DETERENT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE (BEHIND LOWER LEFT SIDE OF DASH) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ IMMOBILIZER YEL WIRE