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

ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL, ON BRACKET) BLK WIRE BLK/WHT WIRE BRN WIRE CLOSE CRUISE IND DK BLU WIRE DK GRN WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HVAC I FUSE 39 IGN IGN E FUSE 22 INSTRUMENT PANEL CLUSTER (IPC) IPC CLASS 2 SERIAL DATA LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE ON/OFF SWITCH ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (ON UPPER LEFT SIDE OF ENGINE) PPL PPL 486 1704 PPL CRUISE RELEASE PPL PPL PPL/WHT WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RES/ACCEL SWITCH SERIAL DATA SET/COAST SWITCH STOP LAMP FUSE 12 STOP LAMP SWITCH (ON BRAKE PEDAL ASSEMBLY) TAN WIRE THROTTLE BODY (FRONT OF INTAKE DUCT) TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VEH STOP FUSE 34 VEHICLE SPEED SENSOR (VSS) (ON LEFT REAR OF TRANSFER CASE) VSS HI VSS LO WHT WIRE WHT/BLK WIRE YEL WIRE

2500 2501 420 53 33 2 SERIAL DATA BUS + SERIAL DATA BUS - CRUISE RELEASE ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL, ON BRACKET) BLK WIRE BLK/WHT WIRE BRN WIRE CLOSE CRUISE IND DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (NEAR LOWER LEFT FRONT OF ENGINE) GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN REAR FUSE BLOCK (BELOW LEFT REAR SEAT) HVAC I FUSE 39 IGN IGN E FUSE 22 INSTRUMENT PANEL CLUSTER (IPC) LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE ON/OFF SWITCH ORG/ WIRE PNK BATT IPC CLASS 2 SERIAL WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL CRUISE RELEASE PPL PPL PPL/WHT WIRE RES/ACCEL SWITCH SERIAL DATA SET/COAST SWITCH STOP LAMP FUSE 12 STOP LAMP SWITCH (ON BRAKE PEDAL ASSEMBLY) TAN WIRE TAN/WHT WIRE THROTTLE BODY (FRONT OF INTAKE DUCT) TRANSMISSION CONTROL MODULE (TCM) TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VEH STOP FUSE 34 VEHICLE SPEED SENSOR (VSS) (ON LEFT REAR OF TRANSFER CASE) WHT WIRE WHT/BLK WIRE YEL WIRE

4.2L 5.3L, 6.0L ABS FUSE 33 ABS PUMP BATT POS VOLT BLK WIRE BRAKE FLUID LEVEL SWITCH (ON BRAKE MASTER CYLINDER FLUID RESERVOIR) BRAKE FUSE 51 BRN WIRE CRUISE CONTROL SYSTEM PPL PPL DK BLU WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HVAC 1 FUSE 39 IGN 3 VOLT IGN E FUSE 22 LATERAL ACCEL SIG LEFT FRONT WHEEL SPEED SENSOR (ON LEFT FRONT WHEEL HUB ASSEMBLY) LEFT REAR WHEEL SPEED SENSOR (ATTACHED TO LEFT REAR WHEEL HUB) LR WH SPD LOW REF LR WH SPD SIG RR WH SPD SIG RR WH SPD LOW REF LT BLU WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PPL REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE RIGHT FRONT WHEEL SPEED SENSOR (ON RIGHT FRONT WHEEL HUB ASSEMBLY) RIGHT REAR WHEEL SPEED SENSOR (ATTACHED TO RIGHT REAR WHEEL HUB) SERIAL DATA TRAC CNTRL SW SIG TCC BRAKE SW SIG STOP LAMP SWITCH (ON BRAKE PEDAL ASSEMBLY) TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VSES FUSE 58 FUSE 61 WHT WIRE YAW RATE SENS SIG YAW RING CNTRL STEER WH POS SIG A YEL WIRE

5.3L, 6.0L 4.2L ABS IND. ANTI-THEFT SYSTEM BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRAKE IND BRN WIRE DELIVERED TORQUE SIGNAL DK BLU WIRE DK GRN WIRE FLAT WIRE PRK BRK SIG GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER IPC/DIC FUSE 24 LOGIC LT BLU (OR DK BLU) WIRE LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH (ON PARKING BRAKE ASSEMBLY) PHASE PHASE INDEX PULSE POSITION HANDWHEEL PPL REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REQUESTED TORQUE SIGNAL SERIAL DATA STEERING WHEEL SPEED/ POSITION SENSOR (AT BASE OF STEERING COLUMN) TAN WIRE TAN/BLK WIRE TRACTION CONTROL SWITCH UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VOLTAGE REGULATOR W/ ANTI-THEFT SYSTEM PPL YAW RATE, LATERAL ACCELERATION SENSOR (BELOW FRONT PASSENGER'S SEAT) YEL WIRE

2250 65 850 PPL 230 751 LPS DIMMING CTRL GROUND AIR TEMPERATURE ACTUATOR (LEFT) (BELOW LEFT CENTER OF DASH) AIR TEMPERATURE ACTUATOR (RIGHT) (BELOW RIGHT CENTER OF DASH) AMBIENT AIR TEMPERATURE SENSOR (ON LEFT CENTER OF RADIATOR SUPPORT) AMBIENT LIGHT AMBIENT LIGHT/ SUN LOAD SENSOR ASSEMBLY (ON TOP CENTER OF DASH) BATT POS VOLT BLK WIRE BLK/WHT WIRE BLOWER FUSE 35 BLOWER MOTOR (BELOW RIGHT SIDE OF DASH) BLWR MTR SPD CTRL INSIDE AIR TEMP CTRL LOW REF BRN WIRE BRN/WHT WIRE CLASS 2 A/C COMP STATUS DEFROST ACTUATOR (ON UPPER DASH CARRIER) DK BLU WIRE DK GRN WIRE GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HVAC CONTROL MODULE (CENTER OF DASH) HVAC I FUSE 39 HVAC-B FUSE 36 INSIDE AIR TEMPERATURE SENSOR ASSEMBLY (AT TOP OF LEFT "B" PILLAR, BEHIND TRIM) LEFT SENSOR LOGIC BLOWER MOTOR CONTROL MODULE (BELOW RIGHT SIDE OF DASH) LOWER LEFT AIR TEMPERATURE SENSOR (LEFT OF LOWER CONSOLE, IN AIR DUCT) LOWER RIGHT AIR TEMPERATURE SENSOR (IN RIGHT LOWER CONSOLE, IN AIR DUCT) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE ACTUATOR (BEHIND UPPER LEFT CENTER OF DASH) NCA WIRE ORG/ WIRE PPL PPL/WHT WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RECIRCULATION ACTUATOR (ON RIGHT SIDE OF DASH) RED WIRE RIGHT SENSOR RUN WIRE SOLID STATE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) UPPER LEFT AIR TEMPERATURE SENSOR (LEFT CENTER OF DASH, IN AIR DUCT) UPPER RIGHT AIR TEMPERATURE SENSOR (RIGHT CENTER OF DASH, IN AIR DUCT) W/ REAR A/C WHT WIRE WHT/BLK WIRE YEL WIRE

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 VOLT REF 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 RELAY 44 BLK WIRE BLK/WHT WIRE BRN WIRE COMP RLY CNTRL DATA LINK CONNECTOR (ON BOTTOM LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START HVAC 1 FUSE 39 HVAC CONTROL MODULE (CENTER OF DASH) HVAC-B FUSE 36 IGN E FUSE 22 LOW REF LT GRN WIRE ORG/ WIRE PPL PPL REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED/BLK WIRE RUN WIRE SERIAL DATA UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) WHT 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

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

BATTERY SERIAL DATA SENSOR SIG BLK WIRE BODY CONTROL MODULE (BCM) (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) CLASS 2 SERIAL DATA DATA DATA LINK CONNECTOR (ON BOTTOM LEFT SIDE OF DASH) PPL DK GRN WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE GROUND GROUND GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER LT GRN WIRE ORG/ WIRE PASSLOCK PPL REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE RED/WHT WIRE RTN DATA SENSOR REF (IN IGNITION LOCK CYLINDER CASE) SECURITY IND SENSOR RET SPLICE PACK TBC 1 FUSE 31 (4.2L) FUSE 58 (5.3L, 6.0L) UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) WHT WIRE YEL WIRE