Chevrolet TrailBlazer I (2001-2006) hvac control module Wiring diagrams

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 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

AUTOMATIC TRANSMISSION SHIFT LOCK ACTUATOR AUXILIARY BLOWER MOTOR (SHORT WHEELBASE, XUV W/ MANUAL TEMPERATURE CONTROL) AUXILIARY HVAC CONTROL MODULE AUXILIARY HVAC CONTROL MODULE AUXILIARY MODE ACTUATOR AUXILIARY POWER OUTLET (W/ GMC CONVERSION NAME PLT) AUXILIARY RSA/HVAC CONTROL MODULE BLK WIRE BLOWER MOTOR ASSEMBLY (W/ AUTOMATIC TEMPERATURE CONTROLS) BLOWER MOTOR CONTROL MODULE BLOWER MOTOR RESISTOR ASSEMBLY CIGAR LIGHTER CONSOLE AUXILIARY POWER OUTLET DATA LINK CONNECTOR ELECTRONIC ADJUSTABLE PEDAL (EAP) RELAY (IF EQUIPPED) FRONT AUXILIARY POWER OUTLET HEADLAMP SWITCH HVAC CONTROL MODULE IGNITION LOCK SOLENOID INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER (IPC) INVERTING DRIVER MODULE LOWER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY LOWER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY NCA WIRE RADIO REAR WIPER/ WASHER SWITCH RECIRULATION ACTUATOR (W/ MANUAL TEMPERATURE CONTROLS) SPLICE PACK STEERING WHEEL) TRACTION CONTROL SWITCH TRAILER BRAKE WIRING (W/ HEAVY DUTY CAMPER WIRING) (BLUNT CUT) TRANSFER CASE CONTROL SWITCH (IF EQUIPPED) TRANSFER CASE SHIFT CONTROL MODULE TURN SIGNAL/ HAZARD FLASHER MODULE UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY W/ AUTOMATIC TEMPERATURE CONTROLS W/ MANUAL TEMPERATURE CONTROLS W/ SHORT WHEELBASE

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