Automatic a/c circuit for Chevrolet Silverado GMT K2XX (2013-2015)
Automatic a/c circuit (1 of 4)
5 VOLT REFERENCE REAR AIR TEMP DOOR CTRL REAR DEFOG RLY CTRL
AMBIENT LIGHT/ SUNLOAD SENSOR (TOP CENTER OF DASH)
BLK WIRE
BLK/WHT WIRE
BLK/YEL WIRE
BLOWER MTR
BLOWER MTR SPD CTRL
BLU/GRY WIRE
BLU/WHT WIRE
BRN/VIO WIRE
COMPUTER DATA LINES SYSTEM
DEFOGGER SYSTEM
DK BLU/BRN WIRE
DK BLU/YEL WIRE
FRT BLWR FUSE
GROUND DISTRIBUTION SYSTEM
GRY WIRE
GRY/RED WIRE
HEADLIGHTS SYSTEM
HOT AT ALL TIMES
HOT W/ IGNITION MAIN RELAY ENERGIZED
HVAC CONTROL MODULE (BEHIND THE UPPER GLOVE BOX)
HVAC/AUX HVAC IGN FUSE
INSIDE AIR TEMP SENS SIG
INSTRUMENT PANEL JUNCTION BLOCK
LEFT INSTRUMENT PANEL FUSE BLOCK
LINEAR INTERCONNECT NETWORK BUS 9
LOGIC
LT GRN WIRE
LT GRN/YEL WIRE
PEPS/HVAC FUSE
RED/VIO WIRE
RIGHT INSTRUMENT PANEL FUSE BLOCK
SOLAR SENSOR DRIVER SIGNAL
SPD CTRL
TWILIGHT SENTINEL DELAY SIGNAL
VIO/GRY WIRE
VOLT BATT POSITIVE
WHT/DK BLU WIRE
YEL/VIO WIRE
Automatic a/c circuit (1 of 3)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+)
A/C ON
AIR TEMP RF SUNLD
AMB AIR TMP GMLAN L
AMBIENT AIR TEMPERATURE SENSOR (ON LEFT SIDE OF RADIATOR SUPPORT)
AMBIENT LIGHT/SUNLOAD SENSOR ASSEMBLY (TOP CENTER OF DASH)
AUTO
BATT POS VOLT
BLK WIRE
BLK/WHT WIRE
BREAKOUT)
BRN WIRE
COLNT LVL GROUND LOW REF
COMPUTER DATA LINES SYSTEM
DK BLU WIRE
DK GRN WIRE
ENGINE COOLANT LEVEL SWITCH (6.6L) (ON BOTTOM OF SURGE TANK)
EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY)
FAN DN
FAN UP
FRESH AIR
FRNT DFG
FRT DEF A/C IND
FSH AIR
GROUND
GROUND DISTRIBUTION SYSTEM
GROUND IGN 3 REAR DEFOG
GRY WIRE
GRY/BLK WIRE
HVAC CONTROL MODULE
INSTRUMENT PANEL CLUSTER (IPC) DRIVER INFORMATION CENTER (DIC) DISPLAY
LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH)
LEFT SUNLOAD SENSOR
LEFT TEMP CONTROL
LF SUNLD L AIR TMP R AIR TMP
LOGIC
LOW REF
LT BLU WIRE
LT BLU/BLK WIRE
LT GRN WIRE
LT GRN/BLK WIRE
MODE DN
MODE UP
MTR SPD CTRL
OFF
ORG/ WIRE
POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM
PPL
PPL/WHT WIRE
R AIR TMP AIR TMP R AIR TMP TEMP SENS MODE CTRL L AIR TMP RECIR CTRL R AIR TMP
REAR DFG
RECIR
RECIRC
RED WIRE
RED/WHT WIRE
RER DEF
RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH)
RIGHT SUNLOAD SENSOR
RIGHT TEMP CONTROL
SERIAL DATA
TAN WIRE
UPPER LEFT AIR TEMPERATURE SENSOR (UNDER UPPER LEFT SIDE OF DASH)
UPPER RIGHT AIR TEMPERATURE SENSOR (UNDER UPPER RIGHT SIDE OF DASH)
WHT WIRE
WHT/BLK WIRE
YEL WIRE
YEL/BLK WIRE
Automatic a/c circuit (2 of 4)
A/C EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY)
AUTO A/C
BLK/YEL WIRE
BLU WIRE
COMPUTER DATA LINES SYSTEM
DEFROST SWITCH WINDSHIELD
DISPLAY
DK BLU/BRN WIRE
DK BLU/YEL WIRE
DOWN SWITCH TEMPERATURE
DUCT LEFT LOWER AIR TEMPERATURE SENSOR (LEFT SIDE OF HVAC MODULE)
DUCT LEFT UPPER AIR TEMPERATURE SENSOR (UNDER UPPER LEFT SIDE OF DASH)
DUCT RIGHT LOWER AIR TEMPERATURE SENSOR (LOWER LEFT OF HVAC MODULE)
DUCT RIGHT UPPER AIR TEMPERATURE SENSOR (UNDER UPPER RIGHT SIDE OF DASH)
GRN WIRE
GRY WIRE
GRY/RED WIRE
HVAC CONTROLS
INFO DISPLAY MODULE
LEFT
LT GRN/YEL WIRE
OFF SWITCH
RECIRCULATION SWITCH
RED WIRE
RIGHT
SWITCH
SWITCH FAN UP VENTILATING
TEMPERATURE
TEMPERATURE DOWN SWITCH
UP SWITCH
UP SWITCH TEMPERATURE
VENTILATING FAN DOWN
YEL WIRE
Automatic a/c circuit (2 of 3)
19 14 69 71 RLY SPD SIG
2501 2500 COMPUTER DATA LINES
40 24 30 46 LOW REF ECT SENS SIG
6.0L 6.6L
A/C CMPRSR FUSE 17 (EXCEPT 6.6L) FUSE 16 (6.6L)
A/C CMPRSR RELAY
A/C COMPRESSOR CLUTCH (ON FRONT
BLK WIRE
BRN WIRE
BRN/WHT WIRE
DK BLU WIRE
DK BLU/WHT WIRE
DK GRN WIRE
DK GRN/WHT WIRE
ENGINE COOLING FAN (6.6L) (FRONT CENTER OF ENGINE COMPT)
EXCEPT 6.6L 6.6L
FROM PWR/TRN RELAY (DIAGRAM 3 OF 3)
FUSE HOLDER
GRY WIRE
GRY/BLK WIRE
HOT AT ALL TIMES
HVAC BLWR FUSE 70
HVAC IGN FUSE 55 (EXCEPT 6.6L) FUSE 52 (6.6L)
LT BLU WIRE
LT BLU/BLK WIRE
LT GRN WIRE
OF A/C COMPRESSOR)
ORG/BLK WIRE
PNK WIRE
POWER DISTRIBUTION SYSTEM
PPL
PPL/WHT WIRE
RED WIRE
RED/BLK WIRE
RED/WHT WIRE
RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH)
RLY CTRL
RUN/ CRNK RELAY
SENS SIG PWRTRN RLY CTRL FAN RLY CTRL FAN RLY CTRL
SPD SIG LOW REF
SYSTEM 459 5514
TAN WIRE
TAN/BLK WIRE
WHT WIRE
WHT/BLK WIRE
YEL WIRE
YEL/BLK WIRE
Automatic a/c circuit (3 of 4)
A/C COMPRESSOR
A/C COMPRESSOR CLUTCH
A/C COMPRESSOR SOLENOID VALVE
AIR INLET DOOR ACTUATOR (BEHIND GLOVE BOX)
AIR TEMP DOOR CONTROL AIR TEMP DOOR CONTROL AIR TEMP DOOR POSITION SIG
BLK WIRE
BLK/YEL WIRE
BLU WIRE
BLU/BRN WIRE
BLU/YEL WIRE
BRN/BLU WIRE
BRN/LT GRN WIRE
COMPUTER DATA LINES SYSTEM
DISPLAY
DK BLU/BRN WIRE
DK BLU/YEL WIRE
ENGINE COOLANT TEMPERATURE GAUGE
EVAP CORE TEMP SENSOR SIG
GRN WIRE
GRY WIRE
GRY/BLK WIRE
GRY/GRN WIRE
GRY/RED WIRE
GRY/VIO WIRE
HVAC CONTROL MODULE (BEHIND THE UPPER GLOVE BOX)
INSTRUMENT CLUSTER
LEFT AIR TEMPERATURE DOOR ACTUATOR (PART OF HVAC MODULE)
LEFT MODE DOOR ACTUATOR (UPPER LEFT SIDE OF HVAC MODULE)
LOGIC MOST SERIAL DATA (+)
LOWER LEFT AIR TEMP SENS SIG LOWER RIGHT AIR TEMP SENS SIG
MOST SERIAL DATA (+)
PASS AIR TEMP MOTOR CTRL PASS AIR TEMP DOOR CTRL PASS AIR TEMP DOOR POSITION SIG
RED WIRE
RIGHT AIR TEMPERATURE DOOR ACTUATOR (PART OF HVAC MODULE)
SENS LOW REF
UPPER RIGHT AIR TEMP SENS SIG
VIO/GRN WIRE
WHT WIRE
WHT/BLK WIRE
WHT/GRN WIRE
WHT/LT GRN WIRE
YEL WIRE
YEL/BLK WIRE
YEL/BRN WIRE
Automatic a/c circuit (3 of 3)
BLK WIRE
BRN WIRE
COMPRSR RELAY (DIAGRAM 2 OF 3)
COOLING FAN DIODE 1
COOLING FAN DIODE 2
DK BLU WIRE
DK BLU/WHT WIRE
DK GRN WIRE
EXCEPT 6.0L
FAN CNTRL RELAY
FAN FUSE 68
FAN HI RELAY
FAN LO RELAY
FAN RELAY
FAN-1 FUSE 60
FAN-2 FUSE 62
GRY WIRE
GRY/BLK WIRE
HOT AT ALL TIMES
LEFT AIR TEMPERATURE ACTUATOR (BOTTOM LEFT OF HVAC MODULE) LOGIC
LEFT COOLING FAN (EXCEPT 6.0L) (LEFT FRONT OF ENGINE COMPT)
LOGIC
LOGIC B+ GND
LOWER LEFT AIR TEMPERATURE SENSOR (LEFT SIDE OF HVAC MODULE)
LOWER RIGHT AIR TEMPERATURE SENSOR (LOWER LEFT OF HVAC MODULE)
LT BLU WIRE
LT BLU/BLK WIRE
LT GRN WIRE
MODE ACTUATOR (LEFT END OF HVAC MODULE)
ORG/BLK WIRE
PPL
PWR/ TRN RELAY
RECIRCULATION ACTUATOR (TOP RIGHT SIDE OF HVAC MODULE)
RIGHT AIR TEMPERATURE ACTUATOR (TOP MIDDLE OF HVAC MODULE) LOGIC
RIGHT COOLING FAN (RIGHT FRONT OF ENGINE COMPT)
TAN WIRE
TO A/C
UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)
WHT WIRE
WHT/BLK WIRE
YEL WIRE
Automatic a/c circuit (4 of 4)
A/C CLUTCH
A/C COMPRESSOR CLUTCH RELAY
A/C COMPRESSOR CLUTCH RELY CTRL
A/C PRESS SENS 5 VOLT REF 1
A/C REFRIGERANT PRESS SENS LO REF
A/C REFRIGERANT PRESS SENS SIG
A/C REFRIGERANT PRESSURE SENSOR
AMBIENT AIR TEMPERATURE SENSOR (ON LEFT SIDE OF RADIATOR SUPPORT)
AMBT AIR TEMP SNSR SIG
B+ VOLT
BATT+ VOLT
BLK WIRE
BLK/BRN WIRE
BLK/DK BLU WIRE
BLK/WHT WIRE
BRN WIRE
BRN/LT GRN WIRE
BRN/RED WIRE
BRN/YEL WIRE
COMPUTER DATA LINES SYSTEM
COOL FAN 1 FUSE
COOL FAN 2 FUSE
DK BLU WIRE
DK BLU/GRY WIRE
ENG COOLANT TEMP SENS SIG
ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD)
ENGINE CONTROLS
FUSE
GRN WIRE
HI SPD COOLING FAN RLY CTRL
HI SPD GMLAN SERIAL DATA (-) (1)
HOT AT ALL TIMES
IGNITION RELAY
LEFT COOLING FAN MOTOR (LEFT FRONT OF ENGINE COMPT)
LO REF
LT GRN WIRE
RED/BRN WIRE
RED/GRY WIRE
RED/WHT WIRE
RIGHT COOLING FAN MOTOR (RIGHT FRONT OF ENGINE COMPT)
TCM/ECM FUSE
UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)
WHT WIRE
WHT/GRY WIRE