Hummer H3 I (2005-2010) hvac control module (beneath radio) Wiring diagrams

1807 1807 PPL PPL SERIAL DATA SERIAL DATA A/C REQ SIG 53 15 RLY CTRL SERIAL DATA PPL 57 37 21 PRESS SENS SIG A/C CLUTCH DIODE 90 A/C CLUTCH RELAY 76 A/C COMPRESSOR CLUTCH (PART OF A/C COMPRESSOR) A/C ON IND LOW REF A/C ON SWITCH EVAP TEMP SIG A/C REFRIGERANT PRESSURE SENSOR (ON HIGH PRESSURE HOSE CONNECTION TO COMPRESSOR) A/C REQ SIG AC CLUTCH FUSE 48 BLK WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT FRONT KICK PANEL) COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (RIGHT REAR CORNER OF ENGINE COMPT) EVAPORATOR TEMPERATURE SENSOR (BEHIND RIGHT LOWER DASH) GRY WIRE HOT AT ALL TIMES HOT W/ RUN/ CRANK RELAY 78 ENERGIZED HVAC CONTROL MODULE (BENEATH RADIO) LOGIC LOW REF MANUAL A/C CIRCUIT PPL RED/BLK WIRE UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) YEL WIRE

BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT FRONT KICK PANEL) DEFOGGER INDICATOR HOT AT ALL TIMES HVAC CONTROL MODULE (BENEATH RADIO) IND CTRL LOGIC LT BLU WIRE R/WDO DEFG FUSE 30 REAR DEFOG INDICATOR CTRL REAR DEFOG SWITCH SIG REAR DEFOGGER SWITCH GROUND REAR WINDOW DEFOGGER RELAY CNTRL RR DEFOG RELAY 71 SW SIG TAN WIRE UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) WHT WIRE

1807 1807 COMPUTER DATA LINES SYSTEM A/C ON IND MODE SWITCH A/C ON SWITCH BLK WIRE BLK/WHT WIRE BLOWER MOTOR (BELOW RIGHT SIDE OF DASH) BLOWER MOTOR RESISTOR ASSEMBLY (ATTACHED TO BOTTOM OF BLOWER) BLOWER MOTOR SWITCH BRN WIRE DEFOG SW SIG DEFOGGER SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRD GRD DIMMER SW SIG A/C RECIR REQ SIG DEFOG IND CCTRL A/C REQ SIG GRY WIRE HIGH SPEED BLOWER MOTOR RELAY (ATTACHED TO BLOWER MOTOR CASE) HOT AT ALL TIMES HVAC BLWR FUSE 82 HVAC CNTRL HD FUSE 59 HVAC CONTROL MODULE (BENEATH RADIO) HVAC RELAY 87 IGN 3 VOLT IGN RLY CTRL A/C REQ SIG A/C RECIR REQ SIG SERIAL DATA SERIAL DATA IN MAIN BUNDLE) LOGIC LOW OFF LOW REF MODE DOOR SIG EVAP TEMP SIG R AIR TEMP SIG L AIR TEMP SIG LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PNK PPL PPL WIRE PNK WIRE RDO FUSE 13 RECIR- CULATION SWITCH RECIRC A RECIRC B MODE DOOR B R AIR TEMP B AIR TEMP A L AIR TEMP B RED/BLK WIRE TAN WIRE TAN/BLK WIRE TEMPERATURE SWITCH RECIR- CULATION IND UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) WHT WIRE YEL WIRE