GMC Envoy II (2001-2009) (on lower left side of engine) Wiring diagrams

5 6 7 9 BAT (+) MEMORY 1 SW MEMORY 2 SW ILLUM CTRL ADJ PEDAL RWD SIG ADJ PEDAL FWD SIG ADJ PEDAL SENSOR SIG LUM HORIZ POS SEN SIG AFT BACK UP FUSE 27 BLK WIRE BRN WIRE BRN/WHT WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER DOOR MODULE (DDM) (BELOW DRIVER'S DOOR SWITCH PANEL) DRIVER MEMORY SEAT MODULE (BELOW LEFT FRONT SEAT) DRIVER MEMORY SEAT SWITCH DRIVER SEAT LUMBAR HORIZONTAL POSITION SENSOR EAP FUSE 15 (4.2L) EAP RELAY 49 ELECTRONIC ADJUSTABLE PEDALS (EAP) RELAY (LEFT SIDE OF DASH, ON PEDAL ASSEMBLY) ELECTRONIC ADJUSTABLE PEDALS (EAP) SWITCH ELECTRONIC ADJUSTABLE PEDALS ASSEMBLY FORE/ FUSE 59 (5.3L, 6.0L) FUSE HOLDER HOT AT ALL TIMES HOT IN RUN OR START LOW REF LT GRN WIRE MEM 1 MEM 2 EXIT NCA WIRE ORG/ WIRE PARK/ NEUTRAL PARK/NEUTRAL POSITION (PNP) SWITCH (ON LOWER LEFT SIDE OF TRANSMISSION) PNK WIRE PPL RED WIRE SPLICE PACK TAN WIRE UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) WHT WIRE YEL WIRE

1 2 52 50 BUS (+) BUS (-) TR SW P TR SW B 23 46 TR SW C TR SW B TR SW P TR SW A BUS (-) BUS (+) 4.2L 5.3L, 6.0L 4.2L BACKUP FUSE 27 BATTERY B/U LMP VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) COMPUTER DATA LINES SYSTEM DK GRN WIRE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START LEFT BACKUP LAMP LT (NOT USED) LT GRN WIRE MIRRORS SYSTEM (AUTOMATIC DAY/ NIGHT MIRROR) NCA WIRE PARK/ NEUTRAL POSITION SWITCH (ON LOWER LEFT SIDE OF TRANSMISSION) PNK WIRE PARK/NEUTRAL POSITION SWITCH (ON LOWER LEFT SIDE OF TRANSMISSION) PNK WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REAR FUSE BLOCK (BELOW LEFT REAR SEAT) TBC 5 FUSE 32 RIGHT BACKUP LAMP SER DATA SERIAL DATA TAN WIRE TAN/WHT WIRE TR SW A TR SW C TRAILER CONNECTOR TRANSMISSION CONTROL MODULE TRLR B/U FUSE 4 UNDER- HOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

4.2L 5.3L, 6.0L AIR CONDITIONING SYSTEM BATT + VOLT GEN FIELD DUTY CYC BATT + VOLT GEN TURN ON BATTERY BATTERY VOLTAGE BLK WIRE BLK/WHT WIRE CHARGE INDICATOR CLASS 2 CLASS 2 DATA DK GRN WIRE ENGINE CONTROL MODULE (ECM) (5.6L, 6.0L) (NEAR LOWER LEFT FRONT OF ENGINE) FUSIBLE LINK 1 (8 GA- GEN FIELD DUTY CYCLE GENERATOR GENERATOR REGULATOR CONTROL GROUND GROUND GEN REG CNTRL CLASS 2 DATA PPL GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) IPC/DIC FUSE 24 ORG/ WIRE POWERTRAIN CONTROL MODULE (PCM) (4.2L) (ON UPPER LEFT SIDE OF ENGINE) PPL RED WIRE REGULATED VOLTAGE CONTROL MODULE (BEHIND BATTERY) RVC FUSE 59 FUSE 62 STARTER UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VOLTS WHT WIRE

7 32 (2007: 5.3L, 6.0L) (2006, 2007: 4.2L) AUTO HEAD BACK-UP LAMPS CIRCUIT BLK WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE CHEVY, BUICK GMC, IZUSU DK BLU WIRE DK GRN WIRE DK LT ELEK BRK FUSE 19 EXCEPT BUICK F PARK FUSE 37 FUSE 50 FUSE 51 GRN WIRE GRY WIRE GRY/BLK WIRE HAZARD SWITCH HEADLAMP SWITCH PARK HOT AT ALL TIMES HOT IN RUN OR START IGN E FUSE 22 INSTRUMENT PANEL CLUSTER (IPC) LEFT CORNERING LAMP RIGHT CORNERING LAMP LEFT FRONT PARK LAMPS (BUICK ONLY) LEFT FRONT MARKER LAMP LEFT RIGHT LEFT TURN IND LT BLU WIRE LT DK LT DK DK LT GRN WIRE LT W/O WIRING PROVISION W/O WIRING PROVISION NCA WIRE ORG/ WIRE PARK LAMP RELAY 30 PNK WIRE PRK LMP ON PRK LMP RLY REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE RIGHT FRONT MARKER LAMP RIGHT FRONT PARK LAMPS (BUICK ONLY) RIGHT TURN IND TAN WIRE TO TR PARK FUSE 42 TRAILER BRAKE WIRING (BLUNT CUT) TRAILER CONNECTOR (REAR OF VEHICLE FRAME) TRAILER FUSE 32 TRANSMISSION CONTROL MODULE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDER- HOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) TRL R TRN TRL L TRN W/ WIRING PROVISION W/ WIRING PROVISION WHT WIRE YEL WIRE

4.2L 5.3L, 6.0L 4.2L A/C COMPRESSOR CLUTCH ASSEMBLY BARE BLK WIRE BRAKE FLUID LEVEL SWITCH DK GRN WIRE EAP RELAY 49 ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) F/PUMP RELAY 41 FAN RELAY 45 HDM RELAY 46 FRONT AXLE ACTUATOR FRONT PASSENGER DOOR MODULE (FPDM) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) GMC, BUICK HIGH BEAM LOW BEAM HOOD AJAR SWITCH LEFT CORNERING LAMP LEFT FRONT FOG LAMP LEFT FRONT MARKER LAMP LEFT FRONT PARK LAMP LEFT FRONT PARK/TURN SIGNAL LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP MASS AIRFLOW/ INTAKE AIR TEMPERATURE SENSOR ONSTAR MICROPHONE GROUND SHIELD 2 PARK/ NEUTRAL POSITION (PNP) SWITCH PASSENGER LUMBAR ADJUSTER SWITCH PASSENGER SEAT ADJUSTER SWITCH POWERTRAIN CONTROL MODULE (PCM) REGULATED VOLTAGE CONTROL MODULE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH SECONDARY AIR INJECTION (AIR) SOLENOID TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) W/ 2 SPEED PUSH BUTTON CONTROL W/ DELUXE SEATS W/ FRONT FOG LAMPS W/ GPS 1 W/ WIRING PROVISIONS WHT WIRE

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

1433 (OR 1786) 806 PPL 4.2L 5.3L, 6.0L BATTERY BLK WIRE CRANK FUSE 17 DK GRN WIRE ENGINE CONTROL MODULE (ECM) (5.3L, 6.0L) (NEAR LOWER LEFT FRONT OF ENGINE) FUSIBLE LINK 1 (8 GA- GENERATOR 5.3L, 6.0L HOT IN RUN OR START IGN A FUSE 34 IGN E FUSE 22 IGNITION SWITCH LOCK P/N PARK/ NEUTRAL POSITION (PNP) SWITCH (ON LOWER TRANSMISSION) LEFT SIDE OF PNK WIRE PNP SW SIG PPL RED WIRE RUN WIRE STARTER STARTER RELAY STARTER RELAY 47 UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VOLT CRANK WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 PNK PNK PNK PNK WIRE 5 VOLT REF A/C COMP CL REL AIR CONDITIONING SYSTEM ANTI-LOCK BRAKE SYSTEM APP SENSOR 1 APP SENSOR 2 BATTERY BLK WIRE BRAKE BOOST VAC BRN WIRE BRN/WHT WIRE CHMSL SUPPLY VOLT COMPUTER DATA LINES SYSTEM CRANK FUSE 17 CRANK VOLTAGE CRUISE CONTROL SYSTEM CRUISE CTRL ON DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM I FUSE ENGINE CONTROL MODULE (ECM) (NEAR LOWER LEFT FRONT OF ENGINE) ENGINE SPEED SIG EVAP CAN VENT SOL FUEL LEVEL SENS FUEL PMP REL CTRL FUEL PUMP RELAY 41 FUEL TANK PRESS GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ACC, RUN OR START HOT IN RUN OR START HOT IN START IGN 0 FUSE 47 IGN 0 VOLT IGN 1 VOLT IGN E FUSE INSTRUMENT CLUSTER SYSTEM LOW REF LT BLU WIRE MIL CTRL NOT USED ORG/ WIRE PCM B FUSE 10 PNK PNK PNK PNK 1 2 3 4 WIRE PNK WIRE PPL PPL 15 16 17 18 19 20 21 22 23 24 25 PWR/TRN RELAY REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RES/ACC SW SERIAL DATA SET/COAST SW STARTER ENABLE REL STARTING/CHARGING SYSTEM TAN WIRE TCC BRAKE SW TCM/ CANISTER FUSE 15 TRANSMISSION SYSTEM UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VSS WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

19 20 21 PNK WIRE 6 7 PNK WIRE AHEAD OF CATALYTIC CONVERTER) BANK 1 SENSOR 1 (IN LEFT BANK OF EXHAUST PIPE, BANK 1 SENSOR 2 (IN LEFT BANK OF EXHAUST PIPE, BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CTRL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE OIL PRESSURE (EOP) SENSOR (AT REAR OF ENGINE) GRY WIRE HEATED OXYGEN IGN IGNITION COILS KNOCK SENSOR (KS) 1 (LOWER LEFT SIDE OF ENGINE) KNOCK SENSOR (KS) 2 (RIGHT SIDE OF ENGINE BLOCK) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE NCA WIRE PNK 16 17 18 WIRE PNK PNK 8 9 WIRE PNK PNK PNK 1 2 3 4 WIRE PNK WIRE PNK/BLK WIRE PPL PPL 1 2 3 4 5 6 7 8 9 PPL 12 13 14 15 PPL/WHT WIRE RED WIRE REF LO SPARK PLUG TAN WIRE TAN/WHT WIRE THROTTLE BODY (FRONT OF INTAKE DUCT) YEL WIRE YEL/BLK (OR WIRE

12 VOLT REF 5 VOLT REF 19 20 21 PNK WIRE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CMP SENSOR SIG OIL PRESS SENS DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (NEAR LOWER LEFT FRONT OF ENGINE) FUEL INJ 2 CTRL IC 7 CTRL IC 5 CTRL LOW REF FUEL INJ 3 CTRL IC 8 CTRL IC 4 CTRL LOW REF FUEL INJ 4 FUEL INJ 7 FUEL INJ 1 GROUND FUEL INJ 6 CTRL IC 2 CTRL IC 6 CTRL IC 3 CTRL FUEL INJ 8 CTRL FUEL INJ 5 CTRL FUEL INJECTORS GRY WIRE IAT IAT SENSOR CKP SENSOR TP SENSOR 1 KS 2 SIG KS 2 SIG KS 1 SIG KS 1 SIG LOW REF LOW REF 12 VOLT REF 5 VOLT REF LOW REF LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAF MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR (IN AIR INTAKE DUCT) PNK 16 17 18 WIRE PNK WIRE PNK/BLK WIRE PPL PPL 1 2 3 4 5 6 7 8 9 PPL 12 13 14 15 PPL TP SENSOR 2 MAF SENSOR PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE TAC MTR CTRL 1 TAC MTR CTRL 2 IGN 1 VOLT TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) YEL WIRE YEL/BLK (OR WIRE YEL/BLK WIRE