Chevrolet·Express Awd·2010 Chevrolet Express AWD·Wiring
Wiring diagram

2010 Chevrolet Express AWD — power distribution

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Power distribution

1 2 1 2 1 2 A 30A 15A C B 40A 50A 10A 40A 10A 10A 10A 10A 10A 15A 10A 20A 20A 10A 10A 10A 20A 30A 30A 30 87 86 85 50A STARTER MOTOR GENERATOR GENERATOR AUXILIARY BATTERY BATTERY GLOW PLUG CONTROL MODULE (GPCM) BATTERY STARTER MOTOR AUXILIARY GENERATOR INTAKE AIR HEATER (IAH) UNDERHOOD FUSE BLOCK ELECTRONIC BRAKE CONTROL MODULE (EBCM) BLOWER MOTOR RESISTOR ENGINE CONTROL MODULE (ECM) BODY CONTROL MODULE (BCM) DATA LINK CONNECTOR (DLC) TRAILER CONNECTOR EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE COOLANT HEATER INSTRUMENT PANEL CLUSTER (IPC) BODY FUSE BLOCK FUEL PUMP FLOW CONTROL MODULE CONTROL SOLENOID VALVE ASSEMBLY TRANSMISSION CONTROL MODULE (TCM) UPFITTER PROVISIONAL AUTOMATIC TRANSMISSION X5 X174 D X101 18 X1 1 1 X1 A X2 B4 4 X1 32 X1 67 C X2 10 X4 X3 16 G1 X3 C2 X2 D2 38 1 13 18 X1 A1 F2 X3 H2 K3 A5 J2 A7 A4 X1 20 A X3 3 2 X2 2 X4 3 1 2 A3 4 J1 A A C C B4 F1 X1 A2 X3 A2 E5 X2 X3 X2 B1 A A 20 32 D1 E X2 F2 X1 F1 B B X222 X321 E2 RED/WHT RED/WHT RED RED RED RED RED RED RED RED RED RED RED RED RED RED RED NCA RED/WHT RED/WHT RED/WHT BLK RED/WHT RED/WHT RED/BLK RED/WHT RED RED RED RED RED RED/WHT RED/WHT RED/WHT RED/WHT RED/WHT RED/BLK RED/WHT RED/WHT RED/WHT RED/WHT RED/WHT RED/WHT BLK BLK BLK RED/WHT RED/WHT RED/WHT RED/WHT RED/WHT RED/WHT RED/BLK BRN BRN BRN BRN BRN BLK BLK (W/ DUAL GENERATOR 145A) EXCEPT 6.6L 6.6L 4.3L/ 5.3L W/ ACTIVE BRAKE CONTROL 6.6L EXCEPT 6.6L W/O ACTIVE BRAKE CONTROL W/ TRUCK TRAILER W/ TRUCK TRAILER EXCEPT 6.6L (TRAILER BLUNT CUT) W/ CIGAR LIGHTER W/O CIGAR LIGHTER (6.6L) W/ 6 SPEED A/T W/ 4 SPEED A/T (CUTAWAY, AMBULANCE & RV UPFITTERS W/ MULTIPLE INTERIOR READING LAMPS ELECTRICAL PROVISIONS) (W/ ODOMETER SECURITY WIRING PROVISION (SEO)) W/ RV UPFITTER W/ CUTAWAY UPFITTER 6.6L 4.8L & 6.0L W/ RV UPFITTER CUTAWAY, AMBULANCE & RV UPFITTERS W/ MULTIPLE INTERIOR READING LAMPS ELECTRICAL PROVISIONS (5.3L) (UPFITTER BLUNT CUT) G304 G302 UNDERHOOD JUNCTION BLOCK FUSIBLE LINK 3 FUSIBLE LINK 1 FUSIBLE LINK 4 FUSIBLE LINK 5 FUSIBLE LINK 2 FUSIBLE LINK 3 FUSIBLE LINK 2 ABS MDL FUSE 2 BCM 3 FUSE 26 BCM 4 FUSE 9 BCM 5 FUSE 7 ECM BATT FUSE 19 BCM 2 FUSE 58 BCM 1 FUSE 59 ABS MTR FUSE 1 FRT BLWR FUSE 74 BCM 7 FUSE 8 BCM 6 FUSE 72 SEO FUSE 27 TRLR WRG FUSE 11 FOH MDL FUSE 35 FCSM BATT FUSE 36 AUX PWR OUTLET FUSE 25 TCM BATT FUSE 32 LTR/DLC FUSE 73 CNSTR VENT SOL FUSE 56 TRLR WRG FUSE 42 UPFTR AUX 2 RELAY K4 CIGAR LIGHTER CENTER CONSOLE 1 ACCESSORY POWER OUTLET CENTER CONSOLE 2 ACCESSORY POWER OUTLET UPFITTER AUX 2 READING LAMPS FUSE 28 J249 J247 (ON LEFT SIDE OF ENGINE COMPT) (UNDER LEFT FRONT SEAT) (BEHIND RIGHT KICK PANEL) (BEHIND LEFT KICK PANEL) TO HIGH BEAM PCB RELAY K7 (DIAGRAM 2 OF 5) TO RUN RELAY K1 (DIAGRAM 4 OF 5) TO CMPS FUSE 19 (DIAGRAM 4 OF 5)
K K A 10A 30A 15A 10A 20A 30 85 D 25A 15A 87 86 15A 10A 10A 125A E 85 30 30 30 20A STOP LAMPS PCB RELAY K11 TRAILER LT STOP/TURN PCB RELAY K9 A/C CMPRSR RELAY 40 HIGH BEAM PCB RELAY K7 LOW BEAM PCB RELAY K6 WASH PCB RELAY K5 HORN PCB RELAY K5 DRL PCB RELAY K19 TRAILER RT STOP/TURN PCB RELAY K18 CRNK RELAY 39 WPR H1 PCB RELAY K3 FUEL PUMP RELAY 38 WPR PCB RELAY K13 EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE MASS AIR FLOW (MAF)/ INTAKE AIR TEMPERATURE (IAT) SENSOR FUEL HEATER HEATED OXYGEN SENSOR (HO2S) BANK 2 SENSOR 2 HEATED OXYGEN SENSOR (HO2S) BANK 2 SENSOR 1 HEATED OXYGEN SENSOR (HO2S) BANK 1 SENSOR 2 HEATED OXYGEN SENSOR (HO2S) BANK 1 SENSOR 1 CENTRAL SEQUENTIAL FUEL INJECTION (CENTRAL SFI) ENGINE CONTROL MODULE (ECM) UNDERHOOD FUSE BLOCK FAN CLUTCH (EV) RELAY 50 FUEL INJECTOR 5 FUEL INJECTOR 1 ENGINE CONTROL MODULE (ECM) FUEL INJECTOR 8 FUEL INJECTOR 6 FUEL INJECTOR 2 FUEL INJECTOR 4 FUEL INJECTOR 1 FUEL INJECTOR 5 FUEL INJECTOR 4 IGNITION CONTROL MODULE (ICM) FUEL INJECTOR 3 FUEL INJECTOR 6 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 7 IGNITION COIL 2 IGNITION COIL 6 IGNITION COIL 4 IGNITION COIL 8 IGNITION COIL 1 IGNITION COIL 5 IGNITION COIL 7 IGNITION COIL 3 A A A A A A 2 2 2 2 2 X6 X4 X2 X5 X3 X1 2 X174 C8 B2 X2 B X1 73 F1 2 D 59 D D D D 59 X1 J4 G5 G4 H2 K8 X7 J L H D B E X1 47 A B 73 X1 13 K1 X6 K4 F G1 G2 G3 X1 J2 J3 J1 A A A A D D D D D D D D A A A A BLK BLK BLK BLK BLK BLK BLK BLK BLK BLK BLK BLK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK NCA NCA PNK PNK NCA NCA PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK YEL RED/BLK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK (CUTAWAY) (MANUAL A/C) (W/ TRUCK TRAILER) (W/ TRUCK TRAILER) 4.8L, 5.3L & 6.0L 4.8L, 5.3L & 6.0L 4.3L 4.3L EXCEPT 6.6L 6.6L EXCEPT 6.6L 6.6L 4.8L, 5.3L & 6.0L 4.3L (6.6L) (4.3L) (6.6L) 6.6L 4.8L, 5.3L & 6.0L 4.3L (4.8L, 5.3L & 6.0L) (4.8L, 5.3L & 6.0L) 4.8L, 5.3L & 6.0L 4.8L, 5.3L & 6.0L 4.3L WPR FUSE 55 PWR/TRN RELAY 49 MEGA FUSE O2 SNSR 2 (POST) FUSE 62 O2 SNSR 1 (PRE)/CLS FUSE 77 MAF/CNSTR VENT FUSE 64 ECM PWR/TRN FUSE 78 V6 FUEL INJ FUSE 75 FUEL HTR FUSE 71 FAN CLUTCH (EV) FUSE 63 EVEN IGN INJ FUSE 79 ODD IGN/ INJ FUSE 65 ECM PWR/TRN FUSE 45 J151 J150 J120 J185 J184 (IN ENGINE HARNESS, 5 CM FROM X101 BREAKOUT) (ON LEFT SIDE OF ENGINE COMPT) (IN ODD IGNITION/COIL MODULE JUMPER HARNESS, ON TOP LEFT SIDE OF ENGINE) (IN EVEN IGNITION/ COIL MODULE JUMPER HARNESS, ON TOP RIGHT SIDE OF ENG) FROM TRLR WRG FUSE (DIAGRAM 1 OF 5) TO RUN/CRNK RELAY 15 (DIAGRAM 3 OF 5) TO EVEN IGN/INJ FUSE 79 (DIAGRAM 2 OF 5) TO BODY FUSE BLOCK (DIAGRAM 4 OF 5) FROM V6 FUEL INJ FUSE 75 (DIAGRAM 2 OF 5)
IGN 5V H J G F START ACC RUN OFF START OFF ACC RUN START ACC RUN START RUN OFF OFF ACC 10A 45A 10A 10A D 30 10A 10A 86 85 10A 87 THEFT DETERRENT MODULE (TDM) BODY CONTROL MODULE (BCM) REAR FUSE BLOCK LEFT REAR ACCESS PANEL RELAY 1 RIGHT ACCESS PANEL RELAY 6 LEFT FRONT ACCESS PANEL RELAY 5 FLUORESCENT WORK LAMP RELAY UNDERHOOD FUSE BLOCK INSTRUMENT PANEL CLUSTER (IPC) STOP LAMP SWITCH FUEL PUMP FLOW CONTROL MODULE INFLATABLE RESTRAINT I/P MODULE INDICATOR INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE (SDM) STEERING WHEEL SPEED/ POSITION SENSOR C6 C1 B6 X100 19 X200 A9 X200 A6 X318 C2 4 6 5 4 X1 2 2 3 14 21 1 2 5 6 10 15 11 X4 21 19 1 A1 C1 B3 X3 C2 B2 X3 D2 X3 A1 C1 X3 A8 X2 C7 X1 4 B 32 7 19 B 15 BRN WHT PNK PNK PNK DK BLU RED/WHT WHT RED/ RED/BLK RED RED ORG ORG WHT PNK BRN BRN RED/WHT BRN ORG ORG ORG ORG ORG YEL DK BLU ORG ORG ORG PNK PNK PNK YEL PNK PNK BLK PNK PNK PNK PNK PNK BLK W/ CARGO LAMP (W/ ACTIVE BRAKE CONTROL) W/O RV UPFITTER & MANUAL SUPPRESSION W/ MANUAL SUPPRESSION (5.3L) G102 IGNITION SWITCH KEY-IN SWITCH DOME FLUORESCENT WORK LAMPS FUSE 2 PANEL ACTUATOR FUSE 3 RUN/CRNK RELAY 15 STR/WHL SNSR FUSE 29 BRK SW FUSE 13 FSCM IGN FUSE 6 IP CLSTR FUSE 10 AIR BAG FUSE 28 J203 J205 J302 J303 J312 J102 (IN STEERING COLUMN HARNESS, 27 CM FROM X200 CONNECTOR) (IN STEERING COLUMN HARNESS, 30 CM FROM X200 CONNECTOR) (IN PRP/UF2 HARNESS, 15 CM FROM REAR FUSE BLOCK) (ON LEFT "B" PILLAR) (IN PRP/UF2 HARNESS, 7 CM FROM BREAKOUT FOR REAR FUSE BLOCK) (IN PRP/UF2 HARNESS, 8 CM FROM REAR FUSE BLOCK) (ON LEFT SIDE OF ENGINE COMPT) (4.3L: RIGHT REAR OF ENGINE) (4.8L/5.3L/6.0L: ON LEFT REAR OF ENGINE) (6.6L: LEFT FRONT LOWER SIDE OF ENGINE BLOCK) TO BODY FUSE BLOCK (DIAGRAM 4 OF 5) TO BODY FUSE BLOCK (DIAGRAM 4 OF 5) TO SPLICE J115 (DIAGRAM 5 OF 5) FROM MEGA FUSE (DIAGRAM 2 OF 5) TO TRANS FUSE (DIAGRAM 5 OF 5)
B C F G 25A 87 85 30 86 50A 30 5A 10A 30A 2A 10A 10A 15A E 85 10A 30 30A 10A 30 87 86 85 20A 10A CARGO DR UNLCK PCB RELAY K10B FTR REAR DR LCK PCB RELAY K10A DRVR DR UNLCK PCB RELAY K9B FTR REAR PASS DR UNLCK PCB RELAY K9A UPFTR CTSY LAMPS PCB RELAY K8 BODY CONTROL MODULE (BCM) DRIVER WINDOW SWITCH PASSENGER WINDOW SWITCH UPFITTER PROVISIONAL BODY FUSE BLOCK PRK LAMP RELAY K3 INFLATABLE RESTRAINT FRONT PASSENGER SYSTEM (PPS) PRESENCE SENSOR HVAC CONTROL ASSEMBLY INSTRUMENT PANEL CLUSTER (IPC) INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE (SDM) INFLATABLE RESTRAINT VEHICLE ROLLOVER SENSOR REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) RADIO CHIME MODULE DRIVER SEAT ADJUSTER SWITCH PASSENGER SEAT ADJUSTER SWITCH OUTSIDE REARVIEW MIRROR SWITCH REAR DEFOG RELAY K5 BCK/UP PCB RELAY K7 AIR TEMPERATURE ACTUATOR HVAC CONTROL ASSEMBLY BODY CONTROL MODULE (BCM) VACUUM PUMP AUXILIARY AIR TEMPERATURE ACTUATOR AUXILIARY MODE ACTUATOR AUXILIARY BLOWER MOTOR HIGH SPEED RELAY ELECTRONIC COMPASS MODULE AUXILIARY BLOWER MOTOR MEDIUM SPEED RELAY AUXILIARY BLOWER MOTOR LOW SPEED RELAY HVAC CONTROL ASSEMBLY FRONT AUXILIARY HVAC CONTROL ASSEMBLY AUXILIARY HVAC CONTROL MODULE REAR AUXILIARY HVAC CONTROL ASSEMBLY X200 B1 X100 5 C8 X2 B X500 D6 X205 F X205 A X420 G X600 B5 A X306 X306 G X500 C8 X3 J1 X1 G3 G1 X2 A C G2 E2 X1 H4 E1 X2 11 X5 X222 A X321 A A6 H8 X2 X1 B1 X1 B2 D4 H5 H6 G4 X2 E2 X2 A3 A2 A1 F1 X2 E 1 F F X3 A 20 1 1 C4 H2 C3 C5 C1 C1 C1 10 10 C2 C2 C2 1 G J G 31 1 A X1 B3 C5 D5 10 E2 C7 E X2 13 X5 B X3 X1 RED/WHT BRN BRN GRN DK GRN DK ORG BLK BRN BRN BRN BRN BRN BRN BRN GRN DK DK RED/ WHT WHT RED/ RED/ WHT RED/ WHT GRN BLK BLK RED/WHT RED/WHT RED/WHT YEL RED/BLK RED/WHT RED/WHT RED/WHT WHT RED/ RED/WHT RED/BLK RED/BLK RED/BLK RED/WHT RED/WHT RED/BLK RED/BLK WHT WHT BRN RED/WHT BRN BRN BRN RED/WHT RED/WHT BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN RED/WHT BRN BLK RED/ RED/ (W/ CUTAWAY, AMBULANCE & RV UPFITTERS) (W/ AMBULANCE & RV UPFITTERS) W/ ELECTRIC SIDE DOOR LOCK CONTROL W/ RV UPFITTER (NOT USED) (NOT USED) W/ COMMERCIAL TRADESMAN W/ RV UPFITTER W/ CUTAWAY (UPFITTER BLUNT CUT) (IF EQUIPPED) (IF EQUIPPED) W/ RADIO W/O RADIO (W/ ELECTRIC REAR WINDOW DEFOGGER & POWER WINDOWS) (W/O ODOMETER SECURITY WIRING PROVISION (SEO)) (W/ LEFT & RIGHT ROOF SIDE) (W/ LOW TIRE PRESSURE & REMOTE KEYLESS ENTRY) (W/ DRIVER POWER SEAT ADJUSTER) (W/ PASSENGER POWER SEAT ADJUSTER) (LIGHT DUTY W/O RV UPFITTER) (IF EQUIPPED) (W/ POWER MIRROR & REAR WINDOW DEFOGGER) W/ REAR A/C W/ REAR A/C & AUXILIARY HEATER W/ REAR A/C, AUXILIARY HEATER, PLUMBING & WIRING PROVISION W/ RV UPFITTER & 3406 W/O RV UPFITTER MANUAL A/C W/ POWER MIRRORS & REAR WINDOW DEFOGGER (W/ REAR WINDOW DEFOGGER, POWER MIRRORS & MANUAL A/C) (IF EQUIPPED) G302 G302 RAP RELAY K6 UPFTR AUX 1 FUSE 16 PWR WDO CIRCUIT BREAKER 2 EMPTY FUSE 37 EMPTY FUSE 38 PWR SEATS CIRCUIT BREAKER 1 IGN SW (DLIS)/PK3 FUSE F22 HVAC CNTRL FUSE 25 AIR BAG AOS FUSE 10 RFA/TPM FUSE 21 RDO/CHIME FUSE 20 OSRVM SW FUSE 9 I/P CLSTR FUSE 23 RUN RELAY K1 REAR BLWR FUSE 29 CMPS FUSE FUSE 19 HVAC 1 FUSE 14 HVAC 2 FUSE 13 J247 J247 J405 J307 J412 (BEHIND LEFT KICK PANEL) (UNDER LEFT FRONT SEAT) (IN REAR HVAC HARNESS, 13 CM FROM AUXILIARY BLOWER MOTOR CONNECTOR BREAKOUT) (IN UPFITTER HVAC CONTROL HARNESS, 88 CM FROM X303 BREAKOUT) (IN REAR HVAC HARNESS, 20 CM FROM AUXILIARY BLOWER MOTOR CONNECTOR BREAKOUT) (BEHIND LEFT KICK PANEL) FROM SPLICE J302 (DIAGRAM 3 OF 5) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 5) FROM SPLICE J203 (DIAGRAM 3 OF 5) FROM UPFTR AUX 2 RELAY K4 (DIAGRAM 1 OF 5)
H J 15A 15A 15A UNDERHOOD FUSE BLOCK CONTROL SOLENOID VALVE ASSEMBLY GLOW PLUG CONTROL MODULE (GPCM) ENGINE CONTROL MODULE (ECM) TRANSMISSION CONTROL MODULE (TCM) AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INPUT SHAFT SPEED (ISS) SENSOR TORQUE CONVERTER CLUTCH (TCC) SOLENOID VALVE TORQUE CONVERTER CLUTCH (TCC) PULSE WIDTH MODULATION (PWM) SOLENOID VALVE 1-2 SHIFT SOLENOID (SS) VALVE 2-3 SHIFT SOLENOID (SS) VALVE CONTROL SOLENOID VALVE ASSEMBLY GLOW PLUG CONTROL MODULE (GPCM) ENGINE CONTROL MODULE (ECM) TRANSMISSION CONTROL MODULE (TCM) AUTOMATIC TRANSMISSION X174 R X101 26 9 X1 11 X107 39 X2 40 X1 26 3 18 X1 X1 X1 48 X107 B4 33 X2 X1 12 31 X175 E A A B A D2 B5 X1 D3 X1 19 A DK BLU DK BLU DK BLU DK BLU DK BLU DK BLU PNK DK BLU DK BLU DK BLU PNK PNK PNK PNK PNK RED PNK RED RED RED RED PNK PNK RED 6.6L W/ 4 SPEED A/T W/ 6 SPEED A/T W/ 4 SPEED A/T 6.6L 4.8L & 6.0L EXCEPT 6.6L W/ 6 SPEED A/T W/ 4 SPEED A/T 6.6L 6.6L 6.6L 4.8L, 5.3L & 6.0L 4.3L TCM IGN FUSE 31 TRANS FUSE 17 ECM IGN/ GLOW PLUG MDL IGN FUSE 30 J135 J115 (ON LEFT SIDE OF ENGINE COMPT) (IN ENGINE HARNESS, 15 CM FROM X101 BREAKOUT) FROM FSCM IGN FUSE (DIAGRAM 3 OF 5) FROM BODY CONTROL MODULE (DIAGRAM 3 OF 5)