Chevrolet TrailBlazer I (2001-2006) (behind left side of dash) 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

ANTI-THEFT SYSTEM BATT + BATT + LAMP SUPP LAMP CNTRL BLK WIRE BLU WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE CARGO LAMP COURTESY COURTESY LAMP SWITCH DATA DK BLU WIRE DK BLU/WHT WIRE DK DK DK GRN WIRE DOME AJAR DOOR AJAR INPUT DOOR AJAR INPUT (RIGHT FRONT OF LOWER CONSOLE) DRIVER DOOR JAMB SWITCH DRIVER DOOR MODULE (BELOW DOOR SWITCH PANEL) END GATE DOME ENDGATE DROP HANDLE ENDGATE DROP SWITCH ENDGATE MODULE SERIAL DATA CLASS 2 ENDGATE SWING HANDLE ENDGATE SWING SWITCH FRONT PASSENGER DOOR JAMB SWITCH FRONT PASSENGER DOOR MODULE (BELOW DOOR SWITCH PANEL) SERIAL DATA CLASS 2 GRN WIRE GRY WIRE HEADLAMP SWITCH HOT AT ALL TIMES INTERIOR LAMP DEFEAT SWITCH LEFT REAR DOOR JAMB LIFT GATE AJAR INPUT LIFTGATE AJAR SWITCH LIFTGATE LATCH ASSEMBLY LIFTGATE MODULE LONG WHEELBASE LOW REF LOWER LEFT AJAR INPUT UPPER RIGHT AJAR INPUT LOWER LEFT ENDGATE ACTUATOR UPPER RIGHT ENDGATE ACTUATOR LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PNK WIRE PPL PPL LMP DEFEAT LAMP ON PPL LT READING REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RIGHT REAR DOOR JAMB RR DR SIG LR DR SIG SERIAL DATA CLASS 2 SERIAL DATA CLASS 2 LIFT GLASS AJAR INPUT TAN WIRE TBC 3 FUSE 4 TBC 4 FUSE 40 TO COURTESY/ READING LAMPS (DIAGRAM 2 OF 2) UPPER LEFT AJAR INPUT UPPER LEFT ENDGATE ACTUATOR W/ SPECIAL EDITION WHT WIRE XUV EXCEPT XUV XUV LT XUV, SHORT WHEELBASE YEL WIRE

4 HI 4 LO 5 9 MEM PWR ILLUM AFWD AHL/ DRL DEFEAT INDICATOR BLK WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE BRN/WHT WIRE DATA DIM INPUT DATA DK BLU/WHT WIRE DK GRN/WHT WIRE DRIVER DOOR MODULE (BELOW DRIVER DOOR SWITCH PANEL) DRIVER MEMORY SEAT MODULE ELECTRONIC BRAKE CONTROL MODULE (ON INNER LEFT FRAME RAIL, BESIDE TRANSMISSION) FRONT FOG LAMP INDICATOR GMC, CHEVY GRY WIRE GRY/BLK WIRE HEAD LAMP ON INDICATOR HEADLAMP SWITCH INVERTING DRIVER MODULE (IN THE CENTER CONSOLE) LED DIM LOW REF LOW TRAC IND LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MEMORY/ HEATED SEAT SWITCH NCA WIRE OLDS, BUICK ORG/ WIRE ORG/BLK WIRE PNK WIRE PPL PPL/WHT WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) TAN/BLK WIRE TRAC OFF IND TRACTION CONTROL SWITCH TRANSFER CASE SHIFT CONTROL MODULE (BEHIND LOWER LEFT SIDE OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE XUV EXCEPT XUV

59 58 58 59 DATA DATA BATTERY GROUND SERIAL DATA SENSOR SIG GROUND BLK WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT) COMPUTER DATA LINES DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL DK GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER LT GRN WIRE NCA WIRE ORG/ WIRE PASSLOCK SENSOR (AT IGNITION SWITCH) PPL REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE RED/WHT WIRE RTN DATA REF SECURITY IND SENSOR RET SERIAL DATA SPLICE PACK TBC 1 FUSE 31 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

BATTERY BATTERY DOWN OUTPUT UP OUTPUT GROUND BATTERY WINDOW DN WINDOW UP GROUND BLK WIRE BODY COMPUTER MODULE (BCM) (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE CLASS 2 CLASS 2 DATA CONTROL DATA DDM FUSE 10 DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DOWN DOWN DRIVERS WINDOW SWITCH DOWN FRONT PASS WINDOW SWITCH DOWN INPUT DOWN FRONT PASS WINDOW SWITCH DOWN LEFT REAR WINDOW SWITCH DOWN RIGHT REAR WINDOW SWITCH DOWN SIGNAL OUTPUT UP SIGNAL OUTPUT DRIVER DOOR MODULE (BELOW DRIVER'S DOOR SWITCH PANEL) DRIVER MEMORY SEAT MODULE DRIVER'S WINDOW MOTOR FRONT PASSENGER DOOR MODULE (BELOW FRONT PASSENGER DOOR SWITCH PANEL) FRONT PASSENGER WINDOW MOTOR GROUND GRY/BLK WIRE HOT AT ALL TIMES LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH LOCKOUT INDICATOR LOCKOUT SWITCH LR DOWN SIG LR LOCKOUT LR UP SIG LT BLU WIRE LT DOOR CIRCUIT BREAKER 2 LT GRN WIRE MOTOR DOWN CONTROL MOTOR UP CONTROL NCA WIRE ORG/ WIRE PASSENGER MEMORY SEAT MODULE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RIGHT REAR WINDOW CONTROL RIGHT REAR WINDOW MOTOR RR DOWN SIG RR LOCKOUT RR UP SIG RT DOOR CIRCUIT BREAKER 1 SPLICE PACK SWITCH POWER SWITCH PWR TAN WIRE UP UP INPUT W/ MEMORY SEATS WHT WIRE YEL WIRE