GMC Envoy II (2001-2009) (left front of engine compt, on left side of radiator support) Wiring diagrams

4.2L 5.3L, 6.0L 5 VOLT REF 5.3L, 6.0L 4.2L A/C COMPRESSOR CLUTCH ASSEMBLY A/C FUSE 30 A/C LOW PRESSURE SWITCH (AT RIGHT REAR OF ENGINE COMPT, ON ACCUMULATOR) A/C PRESS SIG A/C REFRIGERANT PRESSURE SENSOR (ON HIGH PRESSURE LINE NEAR A/C COMPRESSOR) A/C RELAY 44 AMBIENT LIGHT SENS AUXILIARY CONSOLE MODE ACTUATOR (UNDER LOWER CONSOLE) AUXILIARY HVAC CONTROL MODULE (UNDER LOWER CONSOLE) BATT CLASS 2 DATA GROUND AUX MODE DR AUX BLWR HI SPD AUX BLWR MED SPD BLK WIRE BODY CONTROL MODULE (BCM) (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE COMP RLY CNTRL COOLING FAN (FRONT OF ENGINE) DATA LINK CONNECTOR (ON BOTTOM OF LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SENS SIG FAN FUSE 20 FAN RELAY 45 GRY WIRE HALL SENSOR HIGH SPD MAF HOT AT ALL TIMES HOT IN RUN OR START IGN E FUSE 22 LOW REF LOW REFERENCE LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT SUNLOAD SENS SIG MODE OFF ORG/ WIRE PPL REAR BLOWER MOTOR REAR BLOWER RESISTOR RED WIRE RED/BLK WIRE RT SUNLOAD SENS SIG SERIAL DATA UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) W/ REAR A/C WHT WIRE WHT/BLK WIRE YEL WIRE

4.2L 4.2L 5.3L, 6.0L 5.3L 6.0L BLK WIRE CLUTCH CNTRL COOLING FAN (FRONT OF ENGINE) DK BLU WIRE ECT SENS SIG FAN FUSE 20 FAN RELAY 45 FAN SPEED SIG GROUND GRY WIRE GRY/WHT WIRE HALL SENSOR HOT IN RUN OR START LOW REF UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) WHT WIRE WHT/BLK WIRE YEL WIRE

A/C LOW PRESSURE SWITCH AMPLIFIER GROUND SHIELD ONSTAR GROUND SHIELD BARE BARE BARE BARE W/ PREMIUM SOUND SYSTEM BATTERY BLK WIRE COOLING FAN DATA LINK CONNECTOR DIGITAL RADIO RECEIVER ROLLOVER SENSOR GMC, BUICK GRN WIRE HEADLAMP WASHER FLUID PUMP HIGH BEAM LOW BEAM HORN ASSEMBLY HVAC CONTROL MODULE IGNITION COIL 1 IGNITION COIL 5 IGNITION COIL 6 IGNITION COIL 3 IGNITION COIL 2 IGNITION COIL 2 IGNITION COIL 7 IGNITION COIL 3 IGNITION COIL 1 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 IGNITION COIL 4 IGNITION COIL 8 IGNITION KEY ALARM SWITCH INFLATABLE RESTRAINT FRONT PASSENGER PRESENCE SYSTEM (PPS) MODULE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) NCA WIRE RADIO RADIO GROUND SHIELD REAR WINDOW WASHER FLUID PUMP RIGHT CORNERING LAMP RIGHT FRONT FOG LAMP RIGHT FRONT MARKER LAMP RIGHT FRONT PARK LAMP RIGHT FRONT PARK LAMP RIGHT FRONT PARK/TURN SIGNAL LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP STEERING WHEEL SPEED/ POSITION SENSOR TAN WIRE TRACTION CONTROL SWITCH TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE INSTRUMENT PANEL CLUSTER (IPC) TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) W/ ALL WHEEL DRIVE W/ DRIVER INFORMATION CENTER DISPLAY W/ FRONT FOG LAMPS W/ GPS 1 W/ HIGH PRESSURE HEADLAMP WASHER W/ WIRING PROVISIONS WHT WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER FLUID PUMP WINDSHIELD WIPER MOTOR (IGNITION COIL JUMPER HARNESS, 5 CM FROM WINDSHIELD WIPER/ WASHER SWITCH HEADLAMP DIMMER SWITCH HAZARD LAMP SWITCH

4.2L 4.2L 5.3L, 6.0L AMBIENT LIGHT SENSOR (ON TOP CENTER OF DASH) AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY (ON TOP CENTER OF AUTOMATIC A/C BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BENEATH LEFT REAR SEAT, ON BRN/WHT WIRE COILS FUSE 14 DASH, NEAR BASE OF WINDSHIELD) DK GRN WIRE DK GRN/WHT WIRE DRL DEFEAT AUTO DRL DEFEAT IND ON FLASH TO PASS HI BEAM FLAT WIRE FLAT WIRE 1 2 FLAT WIRE FLAT WIRE LED DIMMING SIG RR FOG LP RLY CTRL FOG LAMP RELAY 39 FOG LP FUSE 11 FR FOG LP IND FRONT FOG LAMP SWITCH GRY/BLK WIRE HDLP WASHER SWITCH HDM FUSE 53 FUSE 57 HEAD HEAD DRL DEFEAT AUTO HEADLAMP DRIVER MODULE RELAY 46 HEADLAMP ON IND HEADLAMP SWITCH HI BEAM RLY CTRL LO BEAM RLY CTRL AMB LT SENS LO REF AMB LT SENS SIG HOT AT ALL TIMES LEFT FRONT FOG LAMP RIGHT FRONT FOG LAMP LEFT HEAD- LAMP LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LT BLU WIRE LT GRN WIRE LT HIGH HDLP FUSE 5 LT LOW HDLP FUSE 6 MANUAL A/C ORG/ WIRE PARK PNK WIRE PNK/WHT WIRE PPL PPL W/ FRONT FOG LIGHTS PPL/WHT WIRE REAR FOG LAMP SWITCH REAR FUSE BLOCK REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RIGHT HEAD- LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RR FOG LP IND RT HI HDLP FUSE 2 RT LOW HDLP FUSE 3 SPLICE PACK TAN WIRE TURN SIGNAL/ MULTIFUNCTION SWITCH LO BEAM UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEEL WELL) W/ FRONT FOG LIGHTS W/ REAR FOG LIGHTS WHT WIRE WIPER/ WASHER SYSTEM YEL WIRE YEL/BLK WIRE

4.2L 5.3L, 6.0L 40 24 5 VOLT REF LOW REF 5.3L, 6.0L 4.2L ABS IND. AIR BAG IND ASSEMBLY STEERING WHEEL BATTERY IND BLK WIRE BLK/WHT WIRE BRAKE IND BRN/WHT WIRE CHANGE ENG OIL IND CHECK GAS CAP IND CHECK GAUGES IND CHECK OIL IND CLASS 2 DATA COMPUTER DATA LINES SYSTEM CRUISE IND DIC FUEL SIG DIC SW SIG DIC TOGGLE SW DIC SET/RESET ENG SPEED SIG CLASS 2 VSS DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER SEAT BELT IND ECT SENS SIG ENG SPEED ENGINE CONTROLS SYSTEM ENGINE OIL PRESSURE (EOP) SENSOR (5.3L, 6.0L) (AT REAR OF ENGINE) ENGINE OIL PRESSURE (EOP) SWITCH (4.2L) (LOWER RIGHT FRONT OF BLOCK) FUEL GAUGE FUEL PUMP, SENDER ASSEMBLY (INSIDE FUEL TANK) GRY WIRE HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN OR START IGN IGN 1 IGN E FUSE 22 ILLUMINATION (8 BULBS) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER IPC/DIC FUSE 24 LEFT TURN BATT POS VOLT GROUND LEFT TURN IND LOGIC LOW COOLANT IND LOW FUEL IND LOW REF LOWER LEFT CONTROL SWITCH ASSEMBLY LOWER RIGHT CONTROL SWITCH LT BLU WIRE MALFUNCTION INDICATOR LAMP (SERVICE ENGINE SOON) MIL CTRL OIL GAUGE OIL PRES SIG OIL PRESS SW ORG/ WIRE ORG/BLK WIRE PASSENGER SEAT BELT IND PERSONAL- IZATION FUEL TRIP PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (4.2L) ENGINE CONTROL PPL PPL FUEL LEVEL PPL LOW REF RADIO REDUCE ENG POWER IND RIGHT TURN IND RIGHT TURN LO WASHER FLUID SECURITY IND SELECT SPEEDO- METER TACHO- METER TAILGATE AJAR IND TAN/BLK WIRE TAN/WHT WIRE TEMP GAUGE TIRE PRESSURE IND TRIP ODOMETER DIC UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VOLTS GAUGE VSS W/ AUTO A/C W/ PREMIUM SOUND SYSTEM WHT WIRE YEL WIRE

1 4 6 7 IGN VOLTAGE AUX HVAC ENABLE CNTRL AUX DR MTR CNTRL GROUND 4.2L 5.3L, 6.0L 5 VOLT REF 5.3L, 6.0L 4.2L A/C COMPRESSOR CLUTCH ASSEMBLY A/C FUSE 30 A/C LOW PRESSURE SWITCH (AT RIGHT REAR OF ENGINE COMPT, ON ACCUMULATOR) A/C PRESS SIG A/C REFRIGERANT PRESSURE SENSOR (ON HIGH PRESSURE LINE NEAR A/C COMPRESSOR) A/C RELAY 44 AUXILIARY CONSOLE MODE ACTUATOR (W/ REAR A/C) (UNDER LOWER CONSOLE) AUXILIARY HVAC CONTROL MODULE (UNDER LOWER CONSOLE) BI LVL BLK WIRE BRN WIRE COMP RLY CNTRL COOLING FAN (4.2L: FRONT OF ENGINE) DATA LINK CONNECTOR (ON BOTTOM OF LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SENS SIG FAN CL CNTRL FAN FUSE 20 FAN RELAY 45 FAN SPD SIG GRY WIRE HALL SENSOR HOT AT ALL TIMES HOT IN RUN OR START IGN E FUSE 22 LO REF FLOOR UPPER LOGIC LOW REF LT GRN WIRE POWER IND SIG PPL PWR IND RED/BLK WIRE SERIAL DATA UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) W/ REAR A/C WHT WIRE WHT/BLK WIRE YEL WIRE