Chevrolet TrailBlazer I (2001-2006) tcc/brake switch (above brake pedal, on bracket) Wiring diagrams

ACCELERATOR PEDAL POSITION SENSOR (ABOVE ACCELERATOR PEDAL, ON BRACKET) BLK WIRE BLK/WHT WIRE BRN WIRE CLOSE DK BLU WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (ON INNER LEFT FRAME RAIL, BESIDE TRANSMISSION) GRY WIRE GRY/BLK WIRE HOT IN RUN HOT IN RUN AND START HVAC I FUSE 39 IGN E FUSE 22 LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE ON/OFF SWITCH ORG/ WIRE PNK WIRE POWERTRAIN CONTROL MODULE (ON UPPER LEFT SIDE OF ENGINE) PPL PPL CRUISE RELEASE VEHICLE SPEED SIG PPL PPL PPL/WHT WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RES/ACCEL SWITCH SET/COAST SWITCH TAN WIRE TCC/BRAKE SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) THROTTLE BODY (THROTTLE ACTUATOR CONTROL MOTOR) TURN SIGNAL/ MULTIFUNCTION SWITCH VEH STOP FUSE 34 VEHICLE SPEED SENSOR (VSS) (ON LEFT REAR OF TRANSFER CASE) VSS HI VSS LO WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

49 20 21 VEHICLE SPEED SIG VSS LO VSS HI 5 VOLT REF APP SENSOR 1 LOW REF 5 VOLT REF APP SENSOR 2 LOW REF ACCELERATOR PEDAL POSITION SENSOR (ABOVE ACCELERATOR PEDAL, ON BRACKET) BLK WIRE BLK/WHT WIRE BRN WIRE CLOSE DK BLU WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (ON INNER LEFT FRAME RAIL, BESIDE TRANSMISSION) ETC FUSE 23 GRY WIRE GRY/BLK WIRE HOT IN RUN AND START HOT IN RUN REAR FUSE BLOCK (BELOW LEFT REAR SEAT) HVAC I FUSE 39 IGN E FUSE 22 LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE ON/OFF SWITCH ORG/ WIRE PNK PPL WIRE POWERTRAIN CONTROL MODULE (NEAR LOWER LEFT FRONT OF ENGINE) PPL PPL 1704 450 PPL CRUISE RELEASE PPL CRUISE RELEASE VEHICLE SPEED SIG PPL PNK WIRE PPL/WHT WIRE RES/ACCEL SWITCH SET/COAST SWITCH TAN WIRE TCC/BRAKE SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) THROTTLE ACTUATOR CONTROL MODULE (ATTACHED TO THROTTLE SHAFT) THROTTLE BODY (THROTTLE ACTUATOR CONTROL MOTOR) TURN SIGNAL/ MULTIFUNCTION SWITCH VEH STOP FUSE 34 VEHICLE SPEED SENSOR (VSS) (ON LEFT REAR OF TRANSFER CASE) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

2 3 4 PNK PNK WIRE 5 VOLT REF 5 VOLT REF A/C PRESS SENS A/C COMPR REL COOLING FAN SP AIR PUMP RELAY ACCELERATOR PEDAL POSITION SENSOR (ABOVE ACCELERATOR PEDAL) AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM BLK WIRE BODY CONTROL MODULE (BCM) (BENEATH LEFT REAR SEAT) BRN WIRE BRN/WHT WIRE CC ON SW INPUT COOLING FANS SYSTEM CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FUEL TANK PRESSURE SENSOR (TOP LEFT REAR OF FUEL TANK) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, OR START HOT IN RUN, START IGN 0 FUSE 47 IGN E FUSE 22 INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL CLUSTER INTAKE AIR TEMPERATURE SENSOR (IN AIR INTAKE DUCT, TOP RIGHT OF ENGINE) LOW REF LOW REF LOW REF LOW REF LOW REF PPL LT BLU WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP ORG/ WIRE ORG/BLK WIRE PCM B FUSE 10 PNK IGN 1 VOLT BATTERY IGN 0 INPUT PRIM FUEL LVL WIRE PNK PPL WIRE PNK WIRE POWERTRAIN CONTROL MODULE (UPPER LEFT SIDE OF ENGINE) PPL PPL DATA LINK CONNECTOR (ON BOTTOM LEFT SIDE OF DASH) PPL TCC REL SW SIG PNP SW INPUT IAT SENS SIG CRANK VOLTAGE VSS SIGNAL OUT PPL W/ IMMOBILIZER PPL W/O IMMOBILIZER REAR FUSE BLOCK RED/BLK WIRE RES/ACC SW SET/CRUISE SW MIL CTRL LO REF STARTING/ CHARGING SYSTEM STRT ENABLE REL ENG SPD SIG OUT TAN WIRE TCC/BRAKE SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) THEFT DETERRENT CONTROL MODULE (IN STEERING COLUMN, ON LOCK CYLINDER) TRANSMISSION CONTROLS (TRANSFER CASE CIRCUIT) UNDERHOOD FUSE BLOCK VSS W/ IMMOB W/O IMMOB WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE