GMC Envoy II (2001-2009) underhood fuse block (above left front wheelwell) 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

4.2L AIR SUSPENSION COMPRESSOR ASSEMBLY (BEHIND RIGHT REAR WHEELWELL) AIR SUSPENSION INFLATOR SWITCH (ON RIGHT SIDE OF CARGO AREA, ON TRIM PANEL) BLK WIRE BREAKOUT) BRN WIRE CONTROL GROUND LED SIGNAL DK GRN/WHT WIRE ECAS FUSE 1 FUSE 48 HOT AT ALL TIMES HOT IN RUN INSTRUMENT PANEL CLUSTER LEFT REAR AIR SUSPENSION SENSOR (ON FRAME RAIL, NEAR LEFT REAR SUSPENSION ARM) ORG/ WIRE POWERTRAIN CONTROL MODULE (4.2L) ENGINE CONTROL MODULE PPL RADIO (PREMIUM) REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE RIGHT REAR AIR SUSPENSION SENSOR (ON FRAME RAIL, NEAR RIGHT REAR SUSPENSION ARM) TAN WIRE TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VSS

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 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 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

308 5463 1348 1317 PK LP SW DRL OVERRIDE IND HEADLAMP ON IND FR FOG LP RLY CNTRL 4 HI 4 LO 5 9 BATT + ILLUM AHL/ DRL DEFEAT INDICATOR REAR FOG LAMP INDICATOR AUTO PARK AUXILIARY HVAC CONTROL MODULE BLK WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE BRN/WHT WIRE DATA DEFEAT DRL DK BLU/WHT WIRE DK GRN/WHT WIRE DRIVER DOOR MODULE (BELOW DRIVER'S DOOR SWITCH PANEL) DRIVER MEMORY SEAT SWITCH FLAT WIRE FLAT WIRE FLAT WIRE 1382 1977 FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FRONT FOG LAMP INDICATOR GARAGE DOOR OPENER (IF EQUIPPED) SUNROOF SWITCH (IF EQUIPPED) GRY WIRE GRY/BLK WIRE HEAD HEAD LAMP ON INDICATOR HEADLAMP SWITCH HOT AT ALL TIMES HVAC CONTROL INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INLINE FUSE INSTRUMENT PANEL CLUSTER TRANSFER CASE SHIFT CONTROL SWITCH LOW REF 5 VOLT REF DIMMING INPUT CLASS 2 SERIAL DATA LOWER LEFT UPPER RIGHT LT GRN WIRE MANUAL A/C AUTOMATIC A/C MODULE (CENTER OF DASH) NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK PPL WIRE PNK WIRE PPL PPL PPL REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REAR WINDOW WIPER/ WASHER SWITCH STEERING WHEEL) TAN WIRE TBC 2 FUSE 7 TBC 5 FUSE 32 TRANSFER CASE SHIFT CONTROL MODULE (BEHIND LOWER LEFT SIDE OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) UPPER LEFT LOWER RIGHT W/ ACTIVE 2 SPEED PUSH BUTTON CONTROL TRANSFER CASE W/ FRONT FOG LAMPS W/ REAR FOG LAMPS W/O WIRING PROVISIONS WHT WIRE YEL WIRE

4.2L 4.2L 5.3L, 6.0L ABS FUSE 33 ATC FUSE 8 AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION SHIFT LOCK ACTUATOR AUXILIARY CONSOLE MODE ACTUATOR AUXILIARY HVAC CONTROL MODULE BATTERY BLK WIRE BLUNT CUT) BODY CONTROL MODULE (BCM) 4.2L PNK PNK WIRE BRN WIRE CRANK FUSE 17 DEFROST ACTUATOR ELEC BRK FUSE 19 ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (5.3L, 6.0L) POWERTRAIN CONTROL MODULE (PCM) (4.2L) FLAT- WIRE PNK (I/P HARN, 18 CM FROM THE A/T SHIFT LEVER CONNECTOR BREAKOUT) FRONT AXLE ACTUATOR FUSIBLE LINK (8 GA- GENERATOR HVAC CONTROL MODULE HVAC FUSE 44 FUSE 48 HVAC I FUSE 39 I/P BATTERY FUSE 48 IGN A FUSE 34 TRAILER FUSE 32 IGN B FUSE 36 IGN O FUSE 47 TBC IG FUSE 50 IGNITION SWITCH LEFT AIR TEMPERATURE ACTUATOR STEERING WHEEL SPEED/ POSITION SENSOR LOCK LOCK LOCK MODE ACTUATOR NCA WIRE ORG/ WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) PPL REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE RIGHT AIR TEMPERATURE ACTUATOR RECIRCULATION ACTUATOR RUN WIRE STARTER STARTER RELAY 47 TO BLOWER FUSE 35 (DIAGRAM 2 OF 6) TO BRAKE FUSE 51 (DIAGRAM 2 OF 6) TO REAR FUSE BLOCK (DIAGRAM 2 OF 6) TO REAR FUSE BLOCK LGM/DSM FUSE 19 (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (DIAGRAM 3 OF 6) TRAILER BRAKE WIRING TRAILER CONNECTOR TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL SWITCH HVAC CONTROL MODULE TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VSES FUSE 58 FUSE 61 W/ 2 SPEED PUSH BUTTON CONTROL W/ ALL WHEEL DRIVE W/ AUTO AIR LEVEL CONTROL W/ MANUAL TEMPERATURE CONTROLS W/ TWO SPEED PUSH BUTTON CONTROL WHT WIRE YEL 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

1 2 3 4 5 PNK PNK PNK PNK WIRE 6 7 PNK WIRE ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL, ON BRACKET) BLK WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION (CMP) SENSOR (AT BOTTOM FRONT OF ENGINE) CRANKSHAFT POSITION (CKP) SENSOR (AT RIGHT REAR OF ENGINE, ADJACENT TO STARTER) DK BLU WIRE DK BLU/WHT (OR YEL/BLK) WIRE DK BLU/WHT WIRE DK GRN WIRE ECM FUSE 29 ENG I FUSE 26 ENGINE SPEED SIGNAL ETC FUSE 23 FUSE 55 EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID (AT REAR OF FUEL TANK) FUSE 54 GRY WIRE HOT AT ALL TIMES INJ A FUSE 31 INJ B FUSE 56 INSTRUMENT PANEL CLUSTER LOGIC FUEL TANK PRESSURE (FTP) SENSOR (AT TOP LEFT REAR OF FUEL TANK) LT BLU WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP NCA WIRE ORG/ WIRE PNK PNK 8 9 WIRE PNK PNK PNK 1 2 3 4 WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN RELAY 60 PPL PPL 15 16 17 18 19 20 21 22 23 24 25 RED WIRE TAN WIRE UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK (OR DK BLU/WHT) 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