Chevrolet Uplander I (2004-2008) hvac control module (in dash center trim panel, beneath radio) Wiring diagrams

3.9L 3.5L 53 15 459 1049 33 15 RLY CTRL CLASS 2 DATA 57 37 21 380 2700 2751 31 4 7 SENS SIG A/C CLTCH FUSE 6 A/C CLTCH RELAY A/C COMPRESSOR CLUTCH A/C REQUEST IND CNTRL A/C REQUEST IND A/C REQUEST SWITCH CLASS 2 DATA IGN BLK WIRE COMPUTER DATA LINES SYSTEM DIODE 3 DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGN MAIN RELAY ENERGIZED HVAC CONTROL MODULE (IN DASH CENTER TRIM PANEL, BENEATH RADIO) IGN A/C REQ LOGIC LOW REF ORG/BLK WIRE UNDERHOOD FUSE BLOCK (IN UNDERHOOD COMPT, ABOVE RIGHT FRONT WHEEL WELL) WHT WIRE

BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) BRN/WHT WIRE CLASS 2 SERIAL DATA DATA LINK CONNECTOR (DLC) (BELOW LEFT SIDE OF DASH, TO LEFT OF STEERING COLUMN) DIGITAL RADIO RECEIVER (BEHIND LEFT SIDE OF DASH) DIGITAL VIDEO DISC (DVD) PLAYER DK BLU WIRE DK GRN WIRE DRIVER MEMORY SEAT MODULE (UNDER DRIVER SEAT) ENGINE CONTROL MODULE (ECM) (3.9L) GMLAN RESISTOR GRY WIRE HI SPD GMLAN SERIAL DATA HOT AT ALL TIMES HVAC CONTROL MODULE (IN DASH CENTER TRIM PANEL, BENEATH RADIO) I/P FUSE BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) INSTRUMENT PANEL CLUSTER (IPC) LEFT DASH ACCESS PANEL) LEFT SLIDING DOOR MODULE (LSDM) (BEHIND LEFT REAR INTERIOR BODY PANEL) LT BLU WIRE LT GRN WIRE MOBILE ENTERTAINMENT PLAYER MODULE NCA WIRE ONSTAR FUSE 6 ORG/ WIRE PPL RADIO RED WIRE RED/WHT WIRE RIGHT SLIDING DOOR MODULE (RSDM) (BEHIND RIGHT REAR INTERIOR BODY PANEL) SPLICE TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) W/ MULTIMEDIA SYSTEM W/ MULTIMEDIA SYSTEM W/O MULTIMEDIA SYSTEM W/ ONSTAR W/ SECOND ROW SIDE AIR BAGS W/ SIDE IMPACT WHT WIRE YEL/BLK WIRE

BLK WIRE BODY CONTROL MODULE (BCM) CLASS 2 DATA CLASS 2 SERIAL DATA DEF INDICATOR CONTROL DEFOGGER REQUEST DEFOGGER SWITCH DK GRN WIRE DRIVER OUTSIDE REARVIEW MIRROR HOT AT ALL TIMES HTD/ MIR FUSE 16 HVAC CONTROL MODULE (IN DASH CENTER TRIM PANEL, BENEATH RADIO) I/P FUSE BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) IGN IGN DEFOGGER INDICATOR LT GRN WIRE MIRROR DEFOGGER NCA WIRE ORG/ WIRE PASSENGER OUTSIDE REARVIEW MIRROR MIRROR DEFOGGER REAR FOG RELAY CONTROL REAR WINDOW DEFOGGER GRID RED WIRE RR DEFOG FUSE 36 RR DEFOG RELAY 30 SPLICE PACK UNDERHOOD FUSE BLOCK (IN UNDERHOOD COMPT, ABOVE RIGHT FRONT WHEEL WELL) WHT WIRE

BLK WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BEHIND LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) BRN WIRE CLASS 2 SERIAL DATA DATA LINK CONNECTOR (DLC) (BELOW LEFT SIDE OF DASH, TO LEFT OF STEERING COLUMN) DK BLU WIRE DRIVER BACK HEATED SEAT ELEMENT (BEHIND UPHOLSTERY IN SEAT BACK) DRIVER CUSHION HEATED SEAT ELEMENT (UNDER UPHOLSTERY IN SEAT CUSHION) DRIVER HEATED SEAT HIGH INDICATOR DRIVER HEATED SEAT LOW INDICATOR DRIVER HEATED SEAT RELAY (UNDER DRIVER HEATED SEAT SWITCH DRIVER SEAT GRY WIRE GRY/RED WIRE HEATED SEAT ELEMENT HEATED SEAT THERMISTOR HIGH REQ LOGIC HIGH REQ LOW REQ LOW REF HOT AT ALL TIMES HTD/ SEATS FUSE HVAC CONTROL MODULE (IN DASH CENTER TRIM PANEL, BENEATH RADIO) I/P FUSE BLOCK LOW REQ LOW REF LT GRN WIRE NCA WIRE PASSENGER BACK HEATED SEAT ELEMENT (BEHIND UPHOLSTERY IN SEAT BACK) PASSENGER CUSHION HEATED SEAT ELEMENT (IN PASSENGER'S SEAT ELEMENT) PASSENGER HEATED SEAT HIGH INDICATOR PASSENGER HEATED SEAT LOW INDICATOR PASSENGER HEATED SEAT RELAY (UNDER PASSENGER SEAT) PASSENGER HEATED SEAT SWITCH PNK (OR WHT) WIRE PNK (OR YEL) WIRE PNK WIRE PNK/BLK WIRE PPL RED WIRE RED/WHT WIRE SPLICE PACK TAN WIRE TAN/WHT WIRE W/ SIT-N-LIFT REAR SEAT W/ SIT-N-LIFT REAR SEAT W/O SIT-N-LIFT REAR SEAT W/O SIT-N-LIFT REAR SEAT WHT WIRE YEL WIRE YEL/BLK WIRE

AUTO BLK WIRE BODY CONTROL MODULE (BCM) (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) BRN WIRE BRN/WHT WIRE DIMMER DRIVER DOOR LOCK SWITCH (MOUNTED ON LEFT FRONT DOOR TRIM) GARAGE DOOR OPENER (IF EQUIPPED) GRY WIRE HEAD HEADLAMP SWITCH HOT AT ALL TIMES HVAC CONTROL MODULE (IN DASH CENTER TRIM PANEL, BENEATH RADIO) I/P FUSE BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) I/P MULTI-FUNCTION SWITCH ILLUM INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (IN STEERING COLUMN) INSTRUMENT PANEL CLUSTER (IPC) INT/ LAMP FUSE 5 LEFT SLIDING DOOR OPEN/ CLOSE SWITCH (IF EQUIPPED) LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY LOGIC MEMORY SEAT SWITCH DRIVER WINDOW SWITCH (MOUNTED ON LEFT FRONT DOOR TRIM) OFF ORG/ WIRE ORG/WHT WIRE OUTSIDE REARVIEW MIRROR SWITCH OVERHEAD CONSOLE MULTI- FUNCTION SWITCH PANEL LAMP SUPPLY PARK PARK LAMPS ON PASSENGER DOOR LOCK SWITCH (MOUNTED ON RIGHT FRONT DOOR TRIM) PASSENGER WINDOW SWITCH (MOUNTED ON RIGHT FRONT DOOR TRIM) PNK WIRE RADIO RED WIRE RED/WHT WIRE RIGHT SLIDING DOOR OPEN/ CLOSE SWITCH RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY RIGHT SUNSHADE STARTING/ CHARGING SYSTEM STRG WHL ILLUM FUSE 10 TOWARD REAR OF VEHICLE) W/ ACCESSORY STEERING WHEEL CONTROL W/ DRIVER 2 POSITION MEMORY W/ SLIDING DOOR W/O SLIDING DOOR WHT WIRE

1450 8 2622 552 GROUND SUPP VOLT SENS SIG LOW REF 2613 1038 SPEED CTRL CLASS 2 DATA 2614 2215 AUX MODE DR CTRL DR CTRL DR CTRL DOOR CTRL HI CTRL REC DR CTRL 5 VOLT REF PASS TEMPERATURE CONTROL SW (W/ AUXILIARY A/C) A/C REQUEST IND CNTRL A/C REQUEST IND A/C REQUEST SWITCH AUX BLWR MOTOR AUX SW LO REF MODE SIG 5 VOLT REF AUXILIARY MODE ACTUATOR (W/ REAR A/C) (IN REAR HVAC BATTERY IGNITION 1 PNK WIRE BLK WIRE BLK/WHT WIRE BLOWER MOTOR (BELOW RIGHT SIDE OF DASH, IN FRONT HVAC MODULE) BLOWER MOTOR RELAY BRN WIRE CLSTR/ HVAC FUSE 8 CNTRL SIG COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DR CTRL DR CTRL DOOR CTRL SPEED CTRL 2273 119 FRONT BLOWER MOTOR SWITCH FRT BLWR HI FUSE 34 FRT/ BLWR FUSE 27 GROUND GRY WIRE HOT AT ALL TIMES HOT W/ IGN MAIN RELAY ENERGIZED HOT W/ RUN RLY RELAY ENERGIZED HVAC CONTROL MODULE (IN DASH CENTER TRIM PANEL, BENEATH RADIO) HVAC MODULE) BLOWER MOTOR RESISTOR ASSEMBLY HVAC/ RPA/ CRUISE FUSE 17 I/P FUSE BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) IGN IGN A/C REQUEST LO REF LO REF CNTRL SIG LOGIC LT BLU WIRE MODE SWITCH MODULE, BEHIND LEFT REAR INTERIOR BODY PANEL) MOTOR CTRL OFF ORG/ WIRE PNK WIRE PPL RECIRCULATION ACTUATOR (ABOVE BLOWER MOTOR, ON RIGHT SIDE OF FRONT HVAC MODULE) RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT AIR TEMPERATURE ACTUATOR (W/ AUXILIARY A/C) SPEED 3 REQ SPEED 2 REQ SPEED 1 REQ MOTOR OFF REQ HVAC AUX CNTRL TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (IN UNDERHOOD COMPT, ABOVE RIGHT FRONT WHEEL WELL) WHT WIRE WHT/BLK WIRE YEL WIRE