Chevrolet Tahoe IV (2014-2021) auxiliary hvac controls Wiring diagrams

AIR DELIVERY MODE AUTO A/C AUXILIARY BLOWER MOTOR AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY HVAC CONTROLS BAT POSITIVE VOL BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/YEL WIRE BLWR MTR SPLY VOLT BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM CONTROL SWITCH DISPLAY DOWN SWITCH FAN DOWN FAN UP FUSE 18 GMC, CHEVROLET W/ FRONT SEATS GMC, CHEVROLET W/O FRONT SEATS, CADILLAC GRN/BLK WIRE GRN/YEL WIRE GRY/BRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL JUNCTION BLOCK LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC LONG WHEEL BASE SHORT WHEEL BASE LOWER AUXILIARY DUCT AIR TEMPERATURE SENSOR MISC RUN/ CRNK FUSE REAR BODY FUSE BLOCK RED/GRY WIRE RR BLWR MTR RTN RR BLWR MTR SPEED CTRL SHORT WHEEL BASE SWITCH TEMPERATURE UP SWITCH UPPER AUXILIARY DUCT AIR TEMPERATURE SENSOR VIO/GRN WIRE W/ FRONT SEATS W/O FRONT SEATS GMC, CHEVROLET WHT WIRE

ACTIVE SAFETY CONTROL MODULE AUXILIARY HVAC CONTROLS BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/VIO WIRE COMM ENABLE FRT OBJECT GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE GRY/VIO WIRE HI SPD GMLAN HIGH SPEED EXTENSION BUS 1 TERMINATING RESISTOR HVAC CONTROL MODULE INFO DISPLAY MODULE LIN BUS 10 LIN BUS 19 LIN BUS 9 LO SPD GMLAN LOGIC LOW SPD GMLAN SENS CTRL 1 SENS CTRL 2 SER DATA SER DATA (+) 2 SER DATA (+) 8 SER DATA (-) 4 STEERING COLUMN LOCK MODULE STEERING COLUMN) VIO/YEL WIRE W/ KEYLESS ENGINE START SWITCH WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

ACCESSORY DC/AC POWER INVERTER MODULE AUXILIARY HVAC CONTROLS BLK WIRE BLOWER MOTOR BLUNT CUT) BRN WIRE CENTER CONSOLE FLOOD LAMP CHILD SECURITY LOCK DISABLE RELAY CIGARETTE LIGHTER RECEPTACLE CONTENT THEFT DETERRENT SENSOR DISABLE SWITCH CONTENT THEFT DETERRENT SENSOR MODULE DOME LAMP SWITCH DOOR DEAD LOCK RELAY DVD CONTROL MODULE DVD RELAY GARAGE DOOR OPENER GMC, CHEVROLET CADILLAC GMC/ CHEVROLET HORN SWITCH INSIDE REAR VIEW MIRROR INSTRUMENT PANEL ACCESSORY POWER RECEPTACLE INSTRUMENT PANEL COMPARTMENT DOOR UNLATCH ACTUATOR RELAY INSTRUMENT PANEL JUNCTION BLOCK INTERIOR LIFTGATE CONTROL SWITCH LEFT FRONT OVERHEAD CONSOLE DOME/ READING LAMPS LEFT ROOF RAIL DOME/ READING LAMPS LEFT STEERING WHEEL CONTROLS SWITCH LEFT SUNSHADE PASSENGER AIR BAG DISABLED INDICATOR RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RAIN SENSOR MODULE RED/BLK WIRE RETAINED ACCESSORY POWER RELAY 2 RIGHT FRONT OVERHEAD CONSOLE DOME/ READING LAMPS RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT ROOF RAIL DOME/ READING LAMPS RIGHT STEERING WHEEL CONTROLS SWITCH RIGHT SUNSHADE ROOF BEACON PROVISION ROOF BEACON RELAY ROOF BEACON SWITCH STEERING COLUMN LOCK MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER STEERING WHEEL HEATING CONTROL MODULE SUNROOF MOTOR SUNROOF SWITCH TELEMATICS BUTTON ASSEMBLY W/ ACCESSORY WIFI W/ CIGARETTE LIGHTER W/ DRIVER PASSENGER FRONT SPLIT SEAT W/ FRONT COMPARTMENT FLOOR CUSTOM CONSOLE W/ INTELLIGENT BRAKE ASSIST, CADILLAC W/ ACTIVE SAFETY LANE DEPARTURE WARNING W/ POLICE VEHICLE, SPECIAL SERVICE MUNICIPAL SALES PACKAGE W/ REAR SEAT ENTERTAINMENT PACKAGE W/O CIGARETTE LIGHTER W/O REAR SEAT ENTERTAINMENT PACKAGE WINDSHIELD FRONT VIEW CAMERA WLAN ROUTER COMMUNICATION INTERFACE MODULE YEL WIRE

AUXILIARY HVAC CONTROLS BLK WIRE BODY CONTROL MODULE COLLISION ALERT INDICATORS DATA LINK CONNECTOR DRIVER SEAT HEATING, COOLING SWITCH FORWARD ADJUSTABLE PEDAL RELAY GMC/ CHEVROLET HEADLAMP SWITCH HEADUP DISPLAY HEADUP DISPLAY SWITCH HVAC CONTROL MODULE IGNITION MAIN RELAY IGNITION MODE SWITCH INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH INSTRUMENT PANEL MULTI-FUNCTION SWITCH 1 INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LEFT FRONT FLOOR ACCENT LAMP LEFT INSTRUMENT PANEL FUSE BLOCK NCA WIRE PARK BRAKE CONTROL SWITCH PARK POSITION SWITCH PASSENGER SEAT HEATING, COOLING SWITCH REARWARD ADJUSTABLE PEDAL RELAY RETAINED ACCESSORY POWER RELAY 1 SERIAL DATA GATEWAY MODULE STEERING COLUMN POSITION CONTROL MODULE STEERING WHEEL ANGLE SENSOR TOW/HAUL MODE SWITCH TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR TURN SIGNAL/ MULTI-FUNCTION SWITCH UP/DOWN TRANSMISSION MANUAL SHIFT SWITCH W/ FRONT COMPARTMENT FLOOR CUSTOM CONSOLE W/ FRONT COOLING, HEATING SEATS WHT WIRE WINDSHIELD WIPER MOTOR

5 VOLT REF AUTO AUXILIARY CHASSIS CONTROL MODULE AUXILIARY HVAC CONTROLS BATT POSITIVE VOLT BCM 6 FUSE BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE CHILD LOCKOUT IND COMPUTER DATA LINES SYSTEM CONTENT THEFT DETERRENT SENSOR DISABLE SWITCH DOME LAMP SWITCH GARAGE DOOR OPENER GMLAN SERIAL DATA - 1 GRN/GRY WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE HDLP SW PARK LP SIG HEAD HEAD-UP DISPLAY SWITCH HEADLAMP SWITCH HOT AT ALL TIMES IGNITION MODE SWITCH IND DIMMING CTRL INSTRUMENT PANEL JUNCTION BLOCK INTERIOR LIFTGATE CONTROL SWITCH LED BACKLIGHT DIMMING CTRL LEFT FRONT OVERHEAD CONSOLE DOME/ READING LAMPS LINEAR INTERCONNECT NETWORK BUS 9 LOGIC LOW REF MEDIA DISC EJECT SWITCH OFF PARK PARK BRAKE CONTROL SWITCH RED/WHT WIRE RIGHT FRONT OVERHEAD CONSOLE DOME/ READING LAMPS RIGHT INSTRUMENT PANEL FUSE BLOCK RUN IGN 3 VOLTAGE SUNROOF SWITCH SW LOW REF SW SIG TRAILER BRAKE CONTROL SWITCH VIO/BRN WIRE W/ KEYLESS ENGINE START WHT WIRE YEL WIRE YEL/GRY WIRE

AUXILIARY HVAC CONTROLS BLU/VIO WIRE BODY CONTROL MODULE CADILLAC GMC, CHEVROLET CENTER CONSOLE COMPARTMENT COOLER CONTROL MODULE COLLISION ALERT INDICATORS FORWARD ADJUSTABLE PEDAL RELAY FROM LT DR FUSE (DIAGRAM 1 OF 10) GRN/VIO WIRE HTD STR WHL FUSE HVAC CONTROL MODULE HVAC/AUX HVAC IGN FUSE IGNITION MAIN RELAY INSIDE REAR VIEW MIRROR INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK IPC IGN/SDM IGN FUSE LEFT INSTRUMENT PANEL FUSE BLOCK MISC RUN/ CRNK FUSE NCA WIRE PASSENGER AIR BAG DISABLED INDICATOR POLICE PROVISION (BLUNT CUT) PRK ENBL/ EAP FUSE REAR VIEW CAMERA REARWARD ADJUSTABLE PEDAL RELAY RED WIRE SEO ALC FUSE STEERING COLUMN LOCK MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE TO RETAINED ACCESSORY POWER RELAY 1 (DIAGRAM 6 OF 10) TO UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 10) TRANSFER CASE CONTROL MODULE TRANSMISSION PARK POSITION RELAY VIO/BLK WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE W/ FULL FEATURE CENTER, LIGHT SENSITIVE MIRROR W/ FULL FEATURE CENTER, W/O LIGHT SENSITIVE MIRROR W/ KEYLESS ENGINE START SWITCH W/O FULL FEATURE CENTER W/O FULL FEATURE CENTER, W/ LIGHT SENSITIVE MIRROR

AUXILIARY HVAC CONTROLS BATTERY POSITIVE VOLT BLK WIRE BLK/GRY WIRE BLU/WHT WIRE BRN/BLK WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM FUSE 2 FUSE 3 GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/YEL WIRE GROUND GRY WIRE HIGH HEAT IND HOT AT ALL TIMES LEFT REAR CUSHION IND LEFT REAR CUSHION SEAT HEATING ELEMENT LEFT REAR CUSHION SWITCH LH RR CUSHION NTC LO REF LH RR CUSHION NTC SIG LH RR HTD SEAT CUSHION ELE CTRL LH RR HTD SEAT CUSHION ELE LO REF LOGIC LOW HEAT IND MEDIUM HEAT IND NETWORK SERIAL DATA BUS 2 REAR BODY FUSE BLOCK REAR SEAT HEATING CONTROL MODULE (UNDER SECOND ROW SEAT CUSHION) RED/GRN WIRE RH RR CUSHION NTC LO REF RH RR CUSHION NTC SIG RH RR HTD SEAT CUSHION ELE CTRL RH RR HTD SEAT CUSHION ELE LO REF RIGHT REAR CUSHION IND RIGHT REAR CUSHION SEAT HEATING ELEMENT RIGHT REAR CUSHION SWITCH WHT/BLU WIRE