GMC Acadia I (2006-2013) Manual a/c circuit

11 35 39 LOW REF 16 17 2500 2501 COMPUTER DATA LINES SYSTEM GMLAN + GMLAN - 193 735 1450 DEFOGGER SYSTEM 3 4 5 PNK WIRE 44 82 LOW REF ECT A/C GND A/C PRESSURE A/C REFRIGERANT PRESSURE SENSOR (NEAR REAR OF A/C COMPRESSOR) AMBIENT AIR TEMP SIG AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION OUTPUT SHAFT SPEED (OSS) SENSOR AUXILIARY DOOR CTRL AUX BLOWER SPEED BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (LEFT SIDE OF ENGINE) GRN WIRE GRY WIRE HOT AT ALL TIMES HVAC CONTROL MODULE HVAC FUSE I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) INDICATOR INSTRUMENT CLUSTER SYSTEM LOGIC LOW REF LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE POWER MODE POWER MODE GND B+ LOW SPEED GMLAN PPL/WHT WIRE REAR DEFOG RECIRCULATE GND RED WIRE RED/WHT WIRE RH AIR TEMP SW SIG AUX MODE AUX MODE DOOR CTRL TAN WIRE TAN/BLK WIRE TEMPERATURE GND TRANSMISSION CONTROL MODULE (TCM) WHT WIRE YEL WIRE

3 4 5 PNK WIRE A/C COMPRESSOR CLUTCH (LOWER LEFT FRONT OF ENGINE) A/C COMPRESSOR CLUTCH RELAY AC CLTCH FUSE BLK WIRE BLK/WHT WIRE COOLING FAN SPEED CONTROL RELAY DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EMISSION 2 FUSE FAN 1 FUSE FAN-2 FUSE FRONT WHEELWELL) GRY WIRE HOT AT ALL TIMES HOT W/ POWERTRAIN RELAY ENERGIZED LEFT ENGINE COOLING FAN LEFT HIGH SPEED COOLING FAN RELAY LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK 4 5 WIRE PPL/WHT WIRE RED WIRE RIGHT ENGINE COOLING FAN RIGHT HIGH SPEED COOLING FAN RELAY UNDERHOOD FUSE BLOCK (ABOVE RIGHT WHT WIRE YEL WIRE

1 2 B+ LOW REF 1 2 PPL BLOWER VOLT LOW REF 6 5 4 3 2 1 B+ GND AUX BLOWER SPEED AUX BLOWER SPEED AUX TEMPERATURE AUX MODE AUX TEMP AUXILIARY AIR TEMPERATURE ACTUATOR (ON REAR HVAC MODULE) AUXILIARY BLOWER MOTOR (ON REAR HVAC MODULE) AUXILIARY BLOWER MOTOR CONTROL MODULE (ON REAR HVAC MODULE) AUXILIARY HVAC CONTROL ASSEMBLY AUXILIARY MODE ACTUATOR (ON REAR HVAC MODULE) BLK WIRE BLOWER MOTOR (PART OF HVAC MODULE, BEHIND GLOVE BOX) BLOWER MOTOR CONTROL MODULE (BEHIND GLOVE BOX, IN FRONT OF BLOWER MOTOR) BLOWER SPEED BRN WIRE DK GRN WIRE FLOOR MODE FLOOR/VENT GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HVAC BLWR FUSE LOGIC LOW REF LT GRN WIRE LT GRN/WHT WIRE ORG/ WIRE PNK 4 5 WIRE PNK WIRE PPL PPL/WHT WIRE RED/BLK WIRE RED/WHT WIRE RR HVAC FUSE UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) VENT MODE VOLT GND WHT WIRE YEL WIRE

AIR TEMPERATURE ACTUATOR BLOWER SPEED BLOWER SPEED MODE DOOR CTRL TEMPERATURE DOOR CTRL BRN WIRE COMPUTER DATA LINES SYSTEM DEFROST MODE DEFROST/FLOOR MODE FLOOR MODE FLOOR/VENT MODE VENT MODE DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY EVAPORATOR TEMPERATURE SENSOR (RIGHT SIDE OF HVAC MODULE) GRY WIRE GRY/BLK WIRE HVAC CONTROL MODULE INSTRUMENT PANEL CLUSTER (IPC) LOGIC LT GRN WIRE LT GRN/WHT WIRE MODE MOTOR VOLT TEMPERATURE VOLT LOW REF MODE POS RECIRCULATION POS BLOWER SPEED MODE DOOR CTRL ORG/ WIRE PPL RECIRCULATION DOOR A TEMPERATURE A LOW REF LOW REF RECIRCULATION DOOR CTRL B AIR TEMPERATURE DOOR TAN WIRE TAN/BLK WIRE TEMPERATURE POS TEMPERATURE SENS SIG MODE DOOR CTRL WHT WIRE WHT/BLK WIRE YEL WIRE