Manual a/c circuit for GMC Sierra 2500 (2000-2004)
Manual a/c circuit (1 of 2)
80 51 45 28 14 68 43 34 58 58 (GASOLINE) (DIESEL)
A/C COMP CL RLY CTRL
A/C COMPRESSOR CLUTCH
A/C COMPRESSOR CLUTCH RELAY
A/C LOW PRESSURE SWITCH (RIGHT SIDE OF ACCUMULATOR)
A/C ON SWITCH
A/C RECIRC
A/C REF PRE SENS SIG
A/C REFRIGERANT PRESSURE SENSOR (IN A/C MUFFLER HOSE ASSEMBLY)
BLK WIRE
BLK/WHT WIRE
BLOWER FUSE
BLOWER MOTOR (UNDER RIGHT SIDE OF DASH)
BLOWER MOTOR CONTROL SWITCH
BLOWER MOTOR RELAY
BLOWER MOTOR RESISTOR ASSEMBLY (ON HVAC MODULE, NEAR BLOWER MOTOR)
BRN WIRE
BRN/WHT WIRE
CLASS 2 SER DATA
CLASS 2 SERIAL DATA
DK BLU WIRE
DK GRN WIRE
DK GRN/WHT WIRE
FRT DEF
GRY WIRE
HOT AT ALL TIMES
HOT AT ALL TIMES A/C COMP FUSE
HOT IN
HOT IN RUN OR START IGN E FUSE
HTR A/C FUSE
HVAC 1 FUSE
HVAC CONTROL MODULE (BEHIND CENTER OF DASH)
HVAC/ ECAS FUSE
I/P RELAY BLOCK (LEFT SIDE OF DASH)
INST LAMP DIM CTRL GROUND
LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH)
LEFT TEMP CONTROL
LOGIC
LOW REF
LT BLU WIRE
LT BLU/BLK WIRE
LT GRN WIRE
MODE CONTROL
MODE DOOR CTRL
MODE DOOR CTRL IGN 3 LOW REF B(+)
OFF
OFF BLOW MT CTRL LO PRESS SENS SIG RT TEMP DOOR CTRL LT TEMP DOOR CTRL
ORG/ WIRE
POWERTRAIN CONTROL MODULE OR ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT)
PPL
RECIR DOOR CTRL RT TEMP DOOR CTRL LT TEMP DOOR CTRL
RECIRC SWITCH
RED WIRE
RED/BLK WIRE
RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH)
RIGHT TEMP CONTROL
RUN WIRE
TAN WIRE
UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY)
WHT WIRE
WHT/BLK WIRE
YEL WIRE
Manual a/c circuit (2 of 2)
AMBIENT LIGHT SENS LO REF
AMBIENT LIGHT SENS SIG
AMBIENT LIGHT SENSOR (TOP CENTER OF DASH)
BLK WIRE
BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN)
BRN WIRE
CLASS 2 SERIAL DATA
DK BLU WIRE
DK GRN WIRE
LEFT AIR TEMPERATURE ACTUATOR (TOP CENTER OF HVAC CONTROL ASSEMBLY)
LOGIC
LT BLU WIRE
LT BLU/BLK WIRE
LT GRN WIRE
MODE ACTUATOR (LEFT SIDE OF HVAC MODULE)
RECIRCULATION ACTUATOR (TOP CENTER OF HVAC MODULE)
RIGHT AIR TEMPERATURE ACTUATOR (TOP CENTER OF HVAC CONTROL ASSEMBLY)
RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH)
TAN WIRE
WHT WIRE
WHT/BLK WIRE
YEL WIRE