Gmc-Truck·Envoy 4Wd·2008 GMC Truck Envoy 4WD·Wiring
Wiring diagram

2008 GMC Truck Envoy 4WD — power distribution

Sheets 5Labels 992

Power distribution

2 1 2 1 WHT) (BLK/ 10A B 30A 40A RUN START E LOCK START RUN M ACC 30A 60A 60A 30A 40A 125A LOCK RUN ACC LOCK START RUN ACC LOCK RUN ACC LOCK START START A ACC C 15A 30A 3A 10A 10A 4.2L 5.3L & 6.0L (BLUNT CUT & HD TRUNK TRAILER) (W/ ALL WHEEL DRIVE & W/ 2 SPEED PUSH BUTTON CONTROL) (W/ 2 SPEED PUSH BUTTON CONTROL) (HD TRUNK TRAILER) (W/ 2 SPEED PUSH BUTTON CONTROL) (MANUAL A/C) (MANUAL A/C) (W/ AUTO AIR LEVEL CONTROL) (IF EQUIPPED) (W/ 2 SPEED PUSH BUTTON CONTROL) BATTERY UNDERHOOD FUSE BLOCK STARTER RELAY 47 TRAILER PROVISION STARTER GENERATOR TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE ENCODER MOTOR ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) TRAILER CONNECTOR REAR FUSE BLOCK MODE ACTUATOR TRANSFER CASE SHIFT CONTROL SWITCH HVAC CONTROL MODULE STEERING WHEEL SPEED/ POSITION SENSOR LEFT AIR TEMPERATURE ACTUATOR UNDERHOOD FUSE BLOCK AUXILIARY MODE ACTUATOR TURN SIGNAL/ MULTI-FUNCTION SWITCH DEFROST ACTUATOR THEFT DETERRENT MODULE (TDC) ENGINE CONTROL MODULE (ECM) AUTOMATIC TRANSMISSION SHIFT LOCK CONTROL ACTUATOR AUXILIARY HVAC CONTROL MODULE FRONT DRIVER AXLE ACTUATOR BODY CONTROL MODULE (BCM) RECIRCULATION ACTUATOR AIR SUSPENSION COMPRESSOR RIGHT AIR TEMPERATURE ACTUATOR HVAC CONTROL MODULE (ABOVE LEFT FRONT WHEELWELL) (BELOW LEFT REAR SEAT) (IN I/P HARNESS, 18 CM FROM AUTOMATIC TRANSMISSION SHIFT LEVER CONNECTOR BREAKOUT) (ABOVE LEFT FRONT WHEELWELL) FUSIBLE LINK 1 I/P BATTERY FUSE 48 IGN B FUSE 36 ATC FUSE 8 ABS FUSE 33 IGN A FUSE 34 TRAILER FUSE 32 ELEC BRK FUSE 19 VSES FUSE 58 FUSE 61 CRANK FUSE 17 IGNITION SWITCH HVAC I FUSE 39 4WD FUSE 48 TBC IG FUSE 50 HVAC FUSE 44 IGN 0 FUSE 47 FLAT- WIRE RED RED RED RED YEL PPL ORG WHT RED/ PNK RED ORG ORG RED RED RED RED YEL RED WHT ORG RED BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN NCA BRN BRN BRN BRN FLAT- WIRE PNK BRN PNK PNK BRN BRN YEL PNK X1 F7 X2 X1 A6 A X2 F1 X5 1 B C A X3 E5 X2 A11 X8 B F X3 B 2 B X7 F11 X2 31 D G F E E X1 F5 7 E5 5 C8 5 B8 1 5 X4 A 1 5 5 X1 D9 A8 B5 E8 H E6 X4 A18 X1 E7 D8 X2 X3 B11 E4 F4 D X1 G X2 G X3 X1 A18 F 18 B X1 J320 TO BLOWER FUSE 35 (DIAGRAM 2 OF 5) TO REAR FUSE BLOCK LGM/DSM FUSE 19 (DIAGRAM 4 OF 5) TO REAR FUSE BLOCK (DIAGRAM 2 OF 5) TO UNDERHOOD FUSE BLOCK (DIAGRAM 3 OF 5) TO BRAKE FUSE 51 (DIAGRAM 2 OF 5)
2 1 2 1 2 1 1 2 D 20A 10A 25A 30A 10A 25A 15A 15A 15A B 10A 60A 20A 40A 30 15A M 3A 10A 10A 25A 20A 3A 10A L C (W/ HIGH PRESSURE HEADLAMP WASHER) (W/ POWER ADJUSTABLE PEDALS) 4.2L 5.3L & 6.0L MANUAL A/C AUTOMATIC A/C (4.2L & W/ ELECTRONIC AIR INJECTION REACTOR SYSTEM) (W/ AUTO AIR LEVEL CONTROL) (W/ POWER ADJUSTABLE PEDALS) (IF EQUIPPED) UNDERHOOD FUSE BLOCK REAR WPR RELAY 38 HDLP WPR RELAY 37 FOG LAMP RELAY 39 A/C RELAY 44 WSW RELAY 42 HORN RELAY 40 EAP RELAY 49 DATA LINK CONNECTOR (DLC) EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE SECONDARY AIR INJECTION (AIR) PUMP RELAY TRANSMISSION CONTROL MODULE (TCM) STOPLAMP SWITCH AIR SUSPENSION COMPRESSOR ASSEMBLY TURN SIGNAL/ HAZARD FLASHER MODULE INSTRUMENT PANEL CLUSTER (IPC) ELECTRONIC ADJUSTABLE PEDAL (EAP) RELAY SPLICE PACK JX201 BLOWER MOTOR CONTROL MODULE BLOWER MOTOR RESISTOR ASSEMBLY REAR FUSE BLOCK UNDERHOOD FUSE BLOCK SPLICE PACK JX201 ELECTRONIC BRAKE CONTROL MODULE (EBCM) BODY CONTROL MODULE (BCM) WINDSHIELD OUTSIDE MOISTURE SENSOR WINDSHIELD WIPER MOTOR BODY CONTROL MODULE (BCM) TRANSMISSION CONTROL MODULE (TCM) (ABOVE LEFT FRONT WHEELWELL) (IN I/P HARNESS, 33 CM FROM BLOWER MOTOR RESISTOR ASSEMBLY) (AT LOWER RIGHT FRONT OF LOWER CONSOLE) (BELOW LEFT REAR SEAT) (ABOVE LEFT FRONT WHEELWELL) (AT LOWER RIGHT FRONT OF LOWER CONSOLE) A/C FUSE 30 WPR FUSE 7 HORN FUSE 21 WSW FUSE 9 FOG LP FUSE 11 TCM CNSTR FUSE 26 FUSE 15 ECAS FUSE 1 STOP LAMP FUSE 12 AIR PUMP FUSE 56 HAZRD FUSE 52 IPC/DIC FUSE 24 BLOWER FUSE 35 LTR FUSE 13 EAP FUSE 15 FUSE 59 CIGAR LIGHTER TBC ACC FUSE 31 BRAKE FUSE 51 FRT WPR FUSE 33 TBC RUN FUSE 52 TCM FUSE 35 RAIN FUSE 29 AUX PWR 1 FUSE 46 FRONT ACCESSORY POWER OUTLET CENTER CONSOLE ACCESSORY POWER OUTLET ORG ORG ORG ORG ORG ORG ORG RED ORG ORG ORG ORG ORG ORG ORG RED ORG ORG RED RED RED RED BRN WIRE FLAT- YEL NCA YEL BLK ORG ORG BRN FLAT- WIRE BLK BLK BLK BRN X2 X3 D5 A3 E1 X2 C9 X1 K H A2 B E7 B11 X1 X3 A5 C6 A X7 X2 D9 A X9 C A 16 X1 A6 B15 X4 A7 B7 F1 X3 X1 X3 B15 F 1 11 32 A C B A A A X1 F3 E3 X2 C11 A20 X4 F8 X1 G C C J M X3 B5 X3 32 A20 X3 J250 J307 G201 G201 FROM IGN B FUSE 36 (DIAGRAM 1 OF 5) TO ECM FUSE 29 (DIAGRAM 3 OF 5) FROM IGNITION SWITCH (DIAGRAM 1 OF 5) FROM HVAC I FUSE 39 (DIAGRAM 1 OF 5) FROM LGM/DSM FUSE 19 (DIAGRAM 4 OF 5)
2 1 2 1 1 2 2 1 1 2 10A 15A 15A F 10A 20A 10A D 10A 15A E 86 G 15A 15A 15A F 10A (5.3L & 6.0L) 4.2L 5.3L & 6.0L SECURITY IMMOBILIZATION EQUIPMENT SYSTEM 4.2L 5.3L & 6.0L (4.2L) (NOT USED) (IF EQUIPPED) (4.2L & ELECTRONIC AIR INJECTION REACTOR SYSTEM) (W/ POWER ADJUSTABLE PEDALS) UNDERHOOD FUSE BLOCK POWERTRAIN RELAY 57 RELAY 60 HI HEADLAMP RELAY 43 HDM RELAY 46 FUEL PUMP RELAY 41 ENGINE CONTROL MODULE (ECM) BODY CONTROL MODULE (BCM) THEFT DETERRENT MODULE (TDM) THEFT DETERRENT ALARM GENERATOR BATTERY CONTROL MODULE UNDERHOOD FUSE BLOCK AIR SOL RELAY 55 THEFT DETERRENT ALARM SECONDARY AIR INJECTION (AIR) PUMP RELAY IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 5 POWERTRAIN CONTROL MODULE (PCM) FUEL INJECTOR 5 FUEL INJECTOR 6 IGNITION COIL 4 FUEL INJECTOR 2 IGNITION COIL 1 FUEL INJECTOR 3 FUEL INJECTOR 1 FUEL INJECTOR 4 IGNITION COIL 6 UNDERHOOD FUSE BLOCK EAP RELAY 49 INFLATABLE RESTRAINT VEHICLE ROLLOVER SENSOR ENGINE CONTROL MODULE (ECM) TRANSMISSION CONTROL MODULE (TCM) INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE (SDM) INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM (PPS) MODULE 3-2 SHIFT SOLENOID (SS) VALVE TORQUE CONVERTER CLUTCH (TCC) PULSE WIDTH MODULATION (PWM) SOLENOID VALVE 1-2 SHIFT SOLENOID (SS) VALVE 2-3 SHIFT SOLENOID (SS) VALVE INPUT SPEED SENSOR (ISS) TORQUE CONVERTER CLUTCH (TCC) SOLENOID VALVE PARK/ NEUTRAL POSITION (PNP) SWITCH AUTOMATIC TRANSMISSION (ABOVE LEFT FRONT WHEELWELL) (IN I/P HARNESS CHANNEL BETWEEN REAR SEAT & CONSOLE, 32 CM FORWARD FROM X301/X304 BREAKOUT) (ABOVE LEFT FRONT WHEELWELL) (IN FUEL INJECTOR HARNESS) (ABOVE LEFT FRONT WHEELWELL) (IN I/P HARNESS, 33.5 CM BEFORE BREAKOUT TO INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE) (IN AUTOMATIC TRANSMISSION) HDM FUSE 53 FUSE 57 ECM FUSE 29 PCM B FUSE 10 RVC FUSE 48 FUSE 62 TBC 1 FUSE 31 FUSE 58 IGN COILS FUSE 14 AIR SOL FUSE 54 PCM I FUSE 28 BACK-UP FUSE 27 AIR BAG FUSE 18 ECMI FUSE 28 TRANS FUSE 53 ORG ORG ORG ORG ORG PNK PNK PNK ORG ORG PNK PNK PNK PNK PNK PNK PNK RED RED RED RED RED RED RED RED PNK PNK PNK PNK PNK PNK PNK PNK PNK YEL PNK PNK PNK YEL YEL YEL 2 X3 X1 A2 E5 D5 A2 X1 C1 X2 E12 B1 X1 C A A X1 2 A3 20 X1 C5 F5 X5 B 1 A A A A E X175 A A B A B A A A A A A A A A X1 C2 C5 B5 F5 X2 X1 19 31 X1 19 11 9 31 1 J321 J111 J134 J220 J133 FROM HAZRD FUSE 52 (DIAGRAM 2 OF 5) FROM IGNITION SWITCH (DIAGRAM 1 OF 5) TO AIR BAG FUSE 18 (DIAGRAM 3 OF 5) FROM AIR SOL FUSE 54 (DIAGRAM 3 OF 5) TO IGN E FUSE 22 (DIAGRAM 4 OF 5)
3 2 1 3 2 1 A 10A H 15A 10A G 10A L 10A J 20A 10A 25A 10A H 10A 25A (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) W/O REAR SEAT ENTER- TAINMENT PACKAGE, W/ GARAGE DOOR OPENER W/ DIGITAL AUDIO SYSTEM (W/ VEHICLE COMMUNICATION SYSTEM) W/ REAR SEAT ENTER- TAINMENT PACKAGE & GARAGE DOOR OPENER W/ MEMORY (BLUNT CUT) W/ REAR SEAT ENTER- TAINMENT PACKAGE, W/O GARAGE DOOR OPENER PREMIUM AUTOMATIC A/C UNDERHOOD FUSE BLOCK A/C RELAY 44 REAR FUSE BLOCK BODY CONTROL MODULE (BCM) PARK/ NEUTRAL POSITION (PNP) SWITCH RIGHT HEADLAMP LEVELING ACTUATOR LEFT HEADLAMP LEVELING ACTUATOR INSIDE REARVIEW MIRROR TURN SIGNAL/ MULTI- FUNCTION SWITCH HEADLAMP SWITCH STOP LAMP SWITCH INSTRUMENT PANEL CLUSTER (IPC) REAR FUSE BLOCK VEHICLE COMMUNICATION INTERFACE MODULE RADIO TRAILER PROVISION DIGITAL RADIO RECEIVER LIFTGATE MODULE (LGM) VEHICLE INCLINATION SENSOR DRIVER MEMORY SEAT MODULE GARAGE DOOR OPENER (GDO) DIGITAL VIDEO DISC (DVD) PLAYER REAR FUSE BLOCK AUXILIARY HVAC CONTROL MODULE LEFT REAR WINDOW SWITCH AUDIO AMPLIFIER RIGHT REAR WINDOW SWITCH DRIVER DOOR MODULE (DDM) FRONT PASSENGER DOOR MODULE (FPDM) HVAC CONTROL MODULE (ABOVE LEFT FRONT WHEELWELL) (IN I/P HARNESS, ABOVE DASH LEFT LOWER PANEL, 11 CM FROM STEERING COLUMN BREAKOUT) (BELOW LEFT REAR SEAT) (BELOW LEFT REAR SEAT) (IN BODY HARNESS CHANNEL ON REAR FLOOR, 12 CM TO LEFT OF JX306) (IN HEADLINER HARNESS, 6.5 CM FROM BREAKOUT TO LEFT CLEARANCE LAMP) (BELOW LEFT REAR SEAT) IGN E FUSE 22 TBC IGN 1 FUSE 16 OH BATT/ONSTAR FUSE 27 RADIO FUSE 41 LGM/DSM FUSE 19 HVAC B FUSE 36 RT DOORS CIRCUIT BREAKER 1 AMP FUSE 11 LT DOORS CIRCUIT BREAKER 2 DDM FUSE 10 PDM FUSE 12 PNK PNK PNK PNK FLAT-WIRE PNK PNK PNK PNK PNK PNK PNK RED ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG X4 B2 A5 X2 E5 X1 3 3 X1 D12 X4 A19 12 X3 A19 D1 X1 E4 X2 B6 E12 X3 E2 13 X2 G B X1 B7 D X3 E1 A5 B5 X2 X1 B1 16 X1 15 16 X2 H X2 B3 A3 D10 X1 A D B5 X2 D5 9 1 A1 X1 C X4 1 C10 B8 A8 B5 X2 X1 A D C1 X1 A1 B7 X1 J239 J341 (SECURITY IMMOBILIZATION EQUIPMENT SYSTEM) J374 FROM TRANS FUSE 53 (DIAGRAM 3 OF 5) FROM UNDERHOOD FUSE BLOCK, I/P BATTERY FUSE 48 (DIAGRAM 1 OF 5) TO HVAC B FUSE 36 (DIAGRAM 4 OF 5) TO AUX PWR 1 FUSE 46 (DIAGRAM 2 OF 5) TO LGM 2 FUSE 3 (DIAGRAM 5 OF 5) FROM RADIO FUSE 41 (DIAGRAM 4 OF 5)
K 10A 10A 10A 10A 30A 20A 15A J 30A 10A K 30A (NOT USED) (IF EQUIPPED) W/ DELUXE SEATS W/ DELUXE SEATS W/ MEMORY W/O MEMORY REAR FUSE BLOCK PARK LP RELAY 30 LIFTGATE MODULE (LGM) SUNROOF MOTOR REAR WINDOW WIPER MOTOR BODY CONTROL MODULE (BCM) REAR FUSE BLOCK UNLOCK RELAY 24 LOCK RELAY 18 DRIVER MEMORY SEAT MODULE PASSENGER SEAT LUMBAR ADJUSTER SWITCH PASSENGER SEAT ADJUSTER SWITCH DRIVER SEAT LUMBAR ADJUSTER SWITCH DRIVER SEAT ADJUSTER SWITCH (BELOW LEFT REAR SEAT) (BELOW LEFT REAR SEAT) (IN DRIVER'S SEAT HARNESS, 7 CM FROM BREAKOUT TO BODY CONNECTOR) (IN PASSENGER SEAT HARNESS, 7CM FROM BREAKOUT TO BODY CONNECTOR) TBC 3 FUSE 4 LGM 2 FUSE 3 TBC 2 FUSE 7 TBC 4 FUSE 40 SUNROOF FUSE 28 TBC 5 FUSE 32 RR HVAC FUSE 13 RR WIPER CIRCUIT BREAKER 9 LOCKS FUSE 21 SEATS CIRCUIT BREAKER 8 FLAT- WIRE ORG ORG ORG FLAT- WIRE WIRE WIRE WIRE WIRE FLAT- WIRE ORG RED YEL/ ORG ORG ORG ORG ORG ORG ORG ORG WIRE FLAT- FLAT- FLAT- FLAT- FLAT- B13 B17 B4 A2 X4 X2 E1 X3 E4 C5 X2 A1 A1 B13 B17 B4 A1 X3 X2 A 6 C X1 A D1 C1 G C X1 E E A2 J328 J329 J318 J319 FROM AMP FUSE 11 (DIAGRAM 4 OF 5) TO SEATS CIRCUIT BREAKER 8 (DIAGRAM 5 OF 5) FROM TBC 5 FUSE 32 (DIAGRAM 5 OF 5)