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

AUC HVAC ENABLE AUX ACT DOOR CTLR AUX AIR TEMP DR CTLR AUX AIR TEMP DR POS AUX BLWR MTR AUX MODE DOOR CTRL AUX MODE DR POS SIG AUXILIARY AIR TEMPERATURE ACTUATOR AUXILIARY BLOWER MOTOR (ON RIGHT SIDE OF CARGO AREA, BEHIND TRIM PANEL) AUXILIARY BLOWER MOTOR FUSE AUXILIARY CONSOLE MODE ACTUATOR AUXILIARY HVAC CONTROL MODULE AUXILIARY MODE ACTUATOR (BELOW CENTER OF DASH) BATTERY BLK WIRE BRN/WHT WIRE CLASS 2 DATA CONSOLE MODE DR CTRL CTRL MODE DR POS SIG DK BLU WIRE DK GRN GRN WIRE DK GRN WIRE FRONT AUXILIARY BLOWER MOTOR SWITCH GROUND GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES LOW REFERENCE ORG/ WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REAR OFF RED WIRE RR HVAC FUSE 13 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

ANTENNA AUXILIARY HVAC CONTROL MODULE BARE BARE DRAIN WIRE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DIGITAL RADIO ANTENNA DIGITAL RADIO RECEIVER DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENGINE CONTROLS SYSTEM GROUND GROUND RADIO ON SIG GRY WIRE HOT AT ALL TIMES HVAC-B FUSE 36 L AUD SIG + R AUD SIG + LF OUT LR LOW LEVEL AUDIO SIG + LR OUT LR SPEAKER OUT - LT BLU LT BLU WIRE LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK/BLK WIRE R AUD SIG + L AUD SIG + RADIO ON SIG REMOTE OUT - REMOTE L SIG RADIO RADIO FUSE 41 REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REMOTE L SIG REMOTE OUT - RF OUT RR LOW LEVEL AUDIO SIG + RR OUT RR OUT + GROUND RR SPEAKER OUT + SERIAL DATA TAN WIRE VSS YEL 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

AUXILIARY HVAC CONTROL MODULE BATT + BATT + PWM PWM CTRL BLK WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE COMPUTER DATA LINES SYSTEM DATA FRONT AUXILIARY BLOWER MOTOR SWITCH GARAGE DOOR OPENER HEADLAMP SWITCH HOT AT ALL TIMES INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER LEFT QUARTER GLASS SWITCH LEFT REAR WINDOW SWITCH LONG WHEEL BASE LONG WHEELBASE LOWER LEFT UPPER RIGHT LOWER RIGHT LT GRN WIRE NCA WIRE POWER ROOF SWITCH (XUV) RADIO HVAC CONTROL MODULE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REAR WINDOW WIPER/ WASHER SWITCH RIGHT QUARTER GLASS SWITCH VOICE RECORDER RIGHT REAR WINDOW SWITCH SHORT WHEEL BASE SHORT WHEELBASE, XUV STEERING WHEEL CONTROL SWITCHES SUNROOF SWITCH TBC 2 FUSE 7 TBC 5 FUSE 32 TOWARD THE I/P AUXILIARY POWER BREAKOUT) TRACTION CONTROL SWITCH (GMC, CHEVY) TRACTION CONTROL SWITCH (OLDS, BUICK) TRANSFER CASE SHIFT CONTROL SWITCH UPPER LEFT WHT WIRE

AUC HVAC ENABLE AUX ACT DOOR CTLR AUX AIR TEMP DR CTLR AUX AIR TEMP DR POS AUX BLWR MTR AUX MODE DOOR CTRL AUX MODE DR POS SIG AUXILIARY AIR TEMPERATURE ACTUATOR AUXILIARY BLOWER MOTOR (ON RIGHT SIDE OF CARGO AREA, BEHIND TRIM PANEL) AUXILIARY BLOWER MOTOR FUSE AUXILIARY HVAC CONTROL MODULE AUXILIARY MODE ACTUATOR (BELOW CENTER OF DASH) BATTERY BLK WIRE BRN/WHT WIRE CLASS 2 DATA CONSOLE MODE ACTUATOR CONSOLE MODE DR CTRL CTRL MODE DR POS SIG DIMMING CTRL DK BLU WIRE FRONT AUXILIARY BLOWER MOTOR SWITCH GROUND GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES LOW REFERENCE LT BLU WIRE LT GRN WIRE ORG/ WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REAR OFF RED WIRE RR HVAC FUSE 13 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

1 2 3 4 5 6 PPL ANTENNA AUXILIARY HVAC CONTROL MODULE BARE BARE DRAIN WIRE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DIGITAL RADIO ANTENNA DIGITAL RADIO RECEIVER DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENGINE CONTROLS SYSTEM GROUND GROUND RADIO ON SIG GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HVAC-B FUSE 36 INTERIOR LIGHTS SYSTEM (EARLY PRODUCTION) L AUD SIG + R AUD SIG + LF OUT LR LOW LEVEL AUDIO SIG + LR OUT LR SPEAKER OUT - LT BLU LT BLU WIRE LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK RADIO ON SIG ILLUM DIM GROUND MUTE SIGNAL WIRE PNK WIRE PNK/BLK WIRE PPL REAR ENABLE R AUD SIG + L AUD SIG + RADIO ON SIG REMOTE OUT - REMOTE L SIG RADIO RADIO FUSE 41 REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REMOTE L SIG REMOTE OUT - RF OUT RR LOW LEVEL AUDIO SIG + RR OUT RR OUT + GROUND RR SPEAKER OUT + SERIAL DATA TAN WIRE VSS YEL WIRE

ALL EXCEPT MANUAL A/C TEMPERATURE CONTROL AMP FUSE 11 AUXILIARY HVAC CONTROL MODULE AUXILIARY HVAC CONTROL MODULE HVAC CONTROL MODULE BODY CONTROL MODULE (BCM) COBRA INTENTION MODULE (DEALER INSTALLED) DDM FUSE 10 DIGITAL RADIO RECEIVER DIGITAL VIDEO DISC (DVD) PLAYER FROM BACKUP FUSE 27 (DIAGRAM 3 OF 7) FROM HVAC B FUSE 36 (DIAGRAM 4 OF 7) FROM UNDERHOOD FUSE BLOCK, BATTERY FUSE 48 (DIAGRAM 1 OF 7) GARAGE DOOR OPENER VOICE RECORDER (W/ RECORDER RECALL CON- VENIENCE) HEADLAMP LEVELING SWITCH (IF EQUIPPED) HVAC-B FUSE 36 IGN E FUSE 22 INCLINATION SENSOR (IF EQUIPPED) INSIDE REARVIEW MIRROR INSTRUMENT PANEL CLUSTER (IPC) INVERTING DRIVER MODULE LEFT HEADLAMP LEVELING ACTUATOR (IF EQUIPPED) LEFT REAR WINDOW SWITCH DRIVER DOOR MODULE (DDM) LGM/DSM FUSE 19 LIFTGATE MODULE (LGM) LONG WHEELBASE EXCEPT XUV LT DOORS CIRCUIT BREAKER 2 OH BATT/ONSTAR FUSE 27 FUSE 26 OLDS W/ TRACTION CONTROL POWERTRAIN MANAGEMENT ORG/ WIRE PARK/ NEUTRAL POSITION (PNP) SWITCH PNK PNK WIRE PNK WIRE RADIO RADIO AMPLIFIER (W/ PREMIUM RADIO) RADIO FUSE 41 REAR FUSE BLOCK RED WIRE RIGHT HEADLAMP LEVELING ACTUATOR (IF EQUIPPED) RIGHT REAR WINDOW SWITCH FRONT PASSENGER DOOR MODULE (FPDM) RT DOORS CIRCUIT BREAKER 1 PDM FUSE 12 SHORT WHEELBASE, XUV W/ REAR RADIO CONTROL STOP LAMP SWITCH TBC IGN 1 FUSE 16 TO AUX PWR 1 FUSE 46 (DIAGRAM 2 OF 7) TO HVAC B FUSE 36 (DIAGRAM 4 OF 7) TO IGN 1 RELAY 58 (DIAGRAM 6 OF 7) TO PCM 1 RELAY 28 (DIAGRAM 6 OF 7) TO REAR FOG LAMP RELAY 45 (DIAGRAM 5 OF 7) TRACTION CONTROL SWITCH TURN/ SIGNAL MULT- FUNCTION SWITCH UNDER- HOOD FUSE BLOCK VEHICLE COMMUNICATION INTERFACE MODULE (W/ VEHICLE COMMUNICATION SYSTEM) W/ REAR SEAT ENTER- TAINMENT PACKAGE AND GARAGE DOOR OPENER W/ REAR SEAT ENTER- TAINMENT PACKAGE, W/O GARAGE DOOR OPENER W/O REAR SEAT ENTER- TAINMENT PACKAGE, W/ GARAGE DOOR OPENER

ANTENNA AUXILIARY HVAC CONTROL MODULE BARE BARE DRAIN WIRE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DIGITAL RADIO ANTENNA DIGITAL RADIO RECEIVER DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENGINE CONTROLS SYSTEM GROUND GROUND RADIO ON SIG GRY WIRE HOT AT ALL TIMES HVAC-B FUSE 36 ILLUM DIM GROUND INTERIOR LIGHTS SYSTEM (EARLY PRODUCTION) L AUD SIG + R AUD SIG + LF OUT LR LOW LEVEL AUDIO SIG + LR OUT LR SPEAKER OUT - LT BLU LT BLU WIRE LT BLU WIRE LT GRN WIRE NCA WIRE NOT USED ORG/ WIRE ORG/BLK WIRE PNK/BLK WIRE R AUD SIG + L AUD SIG + RADIO ON SIG REMOTE OUT - REMOTE L SIG RADIO RADIO FUSE 41 REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REMOTE L SIG REMOTE OUT - RF OUT RR LOW LEVEL AUDIO SIG + RR OUT RR OUT + GROUND RR SPEAKER OUT + SERIAL DATA TAN WIRE VSS YEL WIRE