Chevrolet TrailBlazer I (2001-2006) brn Wiring diagrams

5.3L 4.2L ABS FUSE 33 ANTI-LOCK INDICATOR BLK WIRE BODY CONTROL MODULE (BCM) (BENEATH LEFT REAR SEAT, ON REAR FUSE BLCK) BRAKE FLUID LEVEL SWITCH (ON BRAKE MASTER CYLINDER FLUID RESERVOIR) BRAKE FUSE 51 BRAKE INDICATOR BRN WIRE CRUISE CONTROL SYSTEM PPL PPL DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START IGN 3 ABS PUMP IGN E FUSE 22 INSTRUMENT PANEL CLUSTER LEFT FRONT WHEEL SPEED SENSOR LF SENS LOW REF RF SENS SIG TCC BRAKE SW LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE PPL REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE RIGHT FRONT WHEEL SPEED SENSOR SERIAL DATA SERIAL DATA LVL SENS SIG LF SENS SIG RF SEN LOW REF VSS PPL STOP LAMP SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) IPC/DIC FUSE 24 VEHICLE SPEED SIGNAL YEL WIRE YEL/BLK WIRE

5.3L 4.2L ABS FUSE 33 ABS PUMP ANTI-LOCK INDICATOR BLK WIRE BODY CONTROL MODULE (BCM) (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRAKE FLUID LEVEL SWITCH (ON BRAKE MASTER CYLINDER FLUID RESERVOIR) BRAKE FUSE 51 BRAKE INDICATOR BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM PPL PPL DELIVERED TORQUE SIGNAL DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HVAC 1 FUSE 39 IGN E FUSE 22 IGNITION 3 LF WHL SPD SENS REF RF WHL SPD SENS SIG DELIVERED TORQUE SIG INSTRUMENT PANEL CLUSTER LEFT FRONT WHEEL SPEED SENSOR LT BLU WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PPL PPL/WHT WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE REQUESTED TORQUE SIGNAL RIGHT FRONT WHEEL SPEED SENSOR SERIAL DATA STOP LAMP SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) TAN WIRE TAN/BLK WIRE TRAC DISABLE TELLTALE TRACTION ACTIVE INDICATOR TRACTION CONTROL SWITCH TRACTION DISABLE SWITCH TRACTION DISABLED INDICATOR UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) IPC/DIC FUSE 24 VEHICLE SPEED SIGNAL WHT WIRE YEL WIRE YEL/BLK WIRE

230 751 1596 LPS DIMMING CTRL GROUND COOLANT BYPASS CTRL AIR TEMPERATURE ACTUATOR (LEFT) (BEHIND LEFT CENTER OF DASH) AIR TEMPERATURE ACTUATOR (RIGHT) (BEHIND RIGHT CENTER OF DASH) AMBIENT AIR TEMPERATURE SENSOR (ON LEFT CENTER OF RADIATOR SUPPORT) AMBIENT LIGHT AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY (TOP CENTER OF DASH) BLK WIRE BLK/WHT WIRE BLOWER FUSE 35 BLOWER MOTOR BLOWER MOTOR CONTROL MODULE BLWR MTR SPD CTRL INSIDE AIR TEMP CTRL LOW REFERENCE BRN WIRE BRN/WHT WIRE CLASS 2 A/C COMP STATUS COOLANT BYPASS VALVE DEFROST ACTUATOR (UPPER LEFT CENTER OF DASH) DK BLU WIRE DK GRN WIRE GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HVAC CONTROL MODULE HVAC I FUSE 39 HVAC-B FUSE 36 INSIDE AIR TEMPERATURE SENSOR (TOP OF LEFT "B" PILLAR, BEHIND TRIM) LEFT SENSOR LOWER LEFT AIR TEMPERATURE SENSOR (BEHIND LOWER LEFT OF DASH, ON AIR DUCT) LOWER RIGHT AIR TEMPERATURE SENSOR (BEHIND LOWER RIGHT OF DASH, ON AIR DUCT) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE ACTUATOR (UPPER LEFT CENTER OF DASH) ORG/ WIRE PPL PPL/WHT WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RECIRULATION ACTUATOR (UPPER RIGHT SIDE OF DASH) RED WIRE RIGHT SENSOR RUN WIRE SOLID STATE TAN WIRE TAN/BLK WIRE UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UPPER LEFT AIR TEMPERATURE SENSOR (BEHIND UPPER LEFT CENTER OF DASH) UPPER RIGHT AIR TEMPERATURE SENSOR (BEHIND UPPER RIGHT CENTER OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE

230 751 LPS DIMMING CTRL GROUND AIR TEMPERATURE ACTUATOR (LEFT) (BEHIND LEFT CENTER OF DASH) AIR TEMPERATURE ACTUATOR (RIGHT) (BEHIND RIGHT CENTER OF DASH) AMBIENT AIR TEMPERATURE SENSOR (ON LEFT CENTER OF RADIATOR SUPPORT) AMBIENT LIGHT AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY (TOP CENTER OF DASH) BLK WIRE BLK/WHT WIRE BLOWER FUSE 35 BLOWER MOTOR BLOWER MOTOR CONTROL MODULE BLWR MTR SPD CTRL INSIDE AIR TEMP CTRL LOW REFERENCE BRN WIRE BRN/WHT WIRE CLASS 2 A/C COMP STATUS DEFROST ACTUATOR (UPPER LEFT CENTER OF DASH) DK BLU WIRE DK GRN WIRE GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HVAC CONTROL MODULE HVAC I FUSE 39 HVAC-B FUSE 36 INSIDE AIR TEMPERATURE SENSOR (TOP OF LEFT "B" PILLAR, BEHIND TRIM) LEFT SENSOR LOWER LEFT AIR TEMPERATURE SENSOR (BEHIND LOWER LEFT OF DASH, ON AIR DUCT) LOWER RIGHT AIR TEMPERATURE SENSOR (BEHIND LOWER RIGHT OF DASH, ON AIR DUCT) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE ACTUATOR (UPPER LEFT CENTER OF DASH) ORG/ WIRE PPL PPL/WHT WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RECIRULATION ACTUATOR (UPPER RIGHT SIDE OF DASH) RED WIRE RIGHT SENSOR RUN WIRE SOLID STATE TAN WIRE TAN/BLK WIRE UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UPPER LEFT AIR TEMPERATURE SENSOR (BEHIND UPPER LEFT CENTER OF DASH) UPPER RIGHT AIR TEMPERATURE SENSOR (BEHIND UPPER RIGHT CENTER OF DASH) W/ REAR A/C WHT WIRE WHT/BLK WIRE YEL WIRE

5.3L 4.2L A/C COMPRESSOR CLUTCH A/C FUSE 30 A/C LOW PRESSURE SWITCH (AT RIGHT REAR OF ENG COMPT, ON ACCUMULATOR) A/C PRESS SIG A/C REFRIGERANT PRESSURE SENSOR (ON HIGH PRESSURE LINE NEAR A/C COMP) A/C RELAY 44 AMBIENT LIGHT SENS AUXILIARY BLOWER MOTOR (W/ REAR A/C) (BELOW CENTER OF DASH) AUXILIARY CONSOLE MODE ACTUATOR (W/ REAR A/C) (BELOW CENTER OF DASH) AUXILIARY HVAC CONTROL MODULE BATT CLASS 2 DATA GROUND AUX MODE DR AUX BLWR HI SPD AUX BLWR LO SPD BLK WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE COMP RLY CNTRL COOLING FAN DATA LINK CONNECTOR (ON BOTTOM OF LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENG FAN FUSE 20 FAN RELAY 45 GRY WIRE GRY/WHT WIRE HALL SENSOR HIGH SPD MAF HOT AT ALL TIMES HOT IN RUN OR START IGN E FUSE 22 LOW REF LOW REFERENCE LT BLU/BLK WIRE LT GRN WIRE LT SUNLOAD SENS SIG MODE OFF (W/ REAR A/C) ORG/ WIRE PPL RED/BLK WIRE RT SUNLOAD SENS SIG SERIAL DATA UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ REAR A/C WHT WIRE WHT/BLK WIRE

5.3L 4.2L A/C COMPRESSOR CLUTCH A/C FUSE 30 A/C LOW PRESSURE SWITCH (AT RIGHT REAR OF ENG COMPT, ON ACCUMULATOR) A/C PRESS SIG A/C REFRIGERANT PRESSURE SENSOR (ON HIGH PRESSURE LINE NEAR A/C COMP) A/C RELAY 44 BLK WIRE BLK/WHT WIRE BRN WIRE COMP RLY CNTRL DATA LINK CONNECTOR (ON BOTTOM OF LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND A/C LOW PRESS SW IGN 3 POWER GROUND CLASS 2 A/C COMP STATUS 204 341 4340 GRY WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START HVAC 1 FUSE 39 HVAC CONTROL MODULE HVAC-B FUSE 36 IGN E FUSE 22 LOW REF LT GRN WIRE ORG/ WIRE PPL PPL REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED/BLK WIRE RUN WIRE SERIAL DATA UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE

17 9 CLASS 2 DATA LOW REF AJAR BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE BRN/WHT WIRE CLASS 2 DATA CLASS 2 DATA HEADLAMP RELAY CTRL CLASS 2 DATA HORN RELAY CTRL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DOOR AJAR SIG DOOR AJAR SWITCH DOWN DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR MODULE (BELOW DRIVER'S DOOR SWITCH PANEL) ENDGATE KEY CYLINDER SWITCH ENDGATE MODULE (XUV) (CENTER OF ENDGATE) FRONT PASSENGER DOOR LATCH ASSEMBLY FRONT PASSENGER DOOR MODULE (BELOW FRONT PASSENGER DOOR SWITCH PANEL) GRY WIRE GRY/BLK WIRE HEAD- LAMPS SYSTEM HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER KEY CYL DOWN SIG KEY CYL UP SIG KEY SWITCH KEY SWITCH SIG LEFT REAR DOOR JAMB SWITCH LIFTGATE AJAR SIG LIFTGATE AJAR SWITCH LIFTGATE MODULE (EXCEPT XUV) (CENTER OF LIFTGATE) LIFTGLASS AJAR SWITCH LL AJAR SIG LOW REF LOWER LEFT ENDGATE ACTUATOR LT BLU WIRE LT GRN WIRE NCA WIRE PNK/BLK WIRE PPL PPL DATA LINK CONNECTOR (DLC) (ON BOTTOM LEFT SIDE OF DASH) PPL LIFTGLASS AJAR SIG PPL/WHT WIRE REAR FUSE BLOCK REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RIGHT REAR DOOR JAMB SWITCH SECURITY TAN WIRE TAN/WHT WIRE TBC 2 FUSE 7 TBC 3 FUSE 4 TBC 4 FUSE 40 TBC 5 FUSE 32 TRUNK, TAILGATE, FUEL DOORS SYSTEM UL AJAR SIG UPPER LEFT ENDGATE ACTUATOR UPPER RIGHT ENDGATE ACTUATOR UR AJAR SIG YEL WIRE

230 751 1596 LPS DIMMING CTRL GROUND HTR WATER CTRL SOL AIR TEMPERATURE ACTUATOR (LEFT) (BEHIND LEFT CENTER OF DASH) AIR TEMPERATURE ACTUATOR (RIGHT) (BEHIND RIGHT CENTER OF DASH) BLK WIRE BLK/WHT WIRE BLOWER FUSE 35 BLOWER MOTOR (BELOW RIGHT SIDE OF DASH) BLOWER MOTOR RELAY BRN WIRE BRN/WHT WIRE CLASS 2 A/C COMP STATUS COOLANT BYPASS VALVE DEFROST ACTUATOR (UPPER LEFT CENTER OF DASH) DK BLU WIRE DK GRN WIRE GROUND GRY/BLK WIRE HOT AT ALL TIMES HOT IN HVAC CONTROL MODULE HVAC FUSE 44 HVAC I FUSE 39 HVAC-B 36 LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE ACTUATOR (UPPER LEFT CENTER OF DASH) NOT USED OFF LOW ORG/ WIRE PPL REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RECIRULATION ACTUATOR (UPPER RIGHT SIDE OF DASH) RED WIRE RUN WIRE SOLID STATE TAN WIRE TAN/BLK WIRE UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

230 751 LPS DIMMING CTRL GROUND AIR TEMPERATURE ACTUATOR (LEFT) (BEHIND LEFT CENTER OF DASH) AIR TEMPERATURE ACTUATOR (RIGHT) (BEHIND RIGHT CENTER OF DASH) BLK WIRE BLK/WHT WIRE BLOWER FUSE 35 BLOWER MOTOR (BELOW RIGHT SIDE OF DASH) BLOWER MOTOR RELAY BRN WIRE BRN/WHT WIRE CLASS 2 A/C COMP STATUS DEFROST ACTUATOR (UPPER LEFT CENTER OF DASH) DK BLU WIRE DK GRN WIRE GROUND HOT AT ALL TIMES HOT IN HVAC CONTROL MODULE HVAC FUSE 44 HVAC I FUSE 39 HVAC-B FUSE 36 LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE ACTUATOR (UPPER LEFT CENTER OF DASH) OFF LOW ORG/ WIRE PPL REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RECIRULATION ACTUATOR (UPPER RIGHT SIDE OF DASH) RED WIRE RUN WIRE SOLID STATE TAN WIRE TAN/BLK WIRE UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ REAR A/C WHT WIRE WHT/BLK WIRE YEL WIRE

1 4 6 7 IGN VOLTAGE AUX HVAC ENABLE AUX DR MTR CNTRL GROUND 5.3L 4.2L A/C COMPRESSOR CLUTCH A/C FUSE 30 A/C LOW PRESSURE SWITCH (AT RIGHT REAR OF ENG COMPT, ON ACCUMULATOR) A/C PRESS SIG A/C REFRIGERANT PRESSURE SENSOR (ON HIGH PRESSURE LINE NEAR A/C COMP) A/C RELAY 44 AUXILIARY CONSOLE MODE ACTUATOR (W/ REAR A/C) (UNDER LOWER CONSOLE) AUXILIARY HVAC CONTROL MODULE BI LVL BLK WIRE BRN WIRE COMP RLY CNTRL COOLING FAN DATA LINK CONNECTOR (ON BOTTOM OF LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENG FAN FUSE 20 FAN RELAY 45 GRY WIRE GRY/WHT WIRE HALL SENSOR HIGH SPD MAF HOT AT ALL TIMES HOT IN RUN OR START IGN E FUSE 22 LO REF FLOOR UPPER LOW REF LT GRN WIRE PPL RED/BLK WIRE SERIAL DATA UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ REAR A/C WHT WIRE WHT/BLK WIRE YEL WIRE